What is a first floor extension Hampstead NW3?
A first floor extension in Hampstead NW3 can transform the way a home works without sacrificing precious garden space or forcing a move out of one of London’s most desirable neighbourhoods. In an area defined by elegant period houses, villas, semi-detached family homes, mansion blocks, conservation streets and tight planning controls, adding space at first floor level requires far more than a generic extension design. It demands careful architectural thinking, a clear understanding of Camden planning policy, sensitivity to neighbouring amenity, and robust technical detailing that respects the age and construction of the existing property.
For many homeowners in Hampstead, the main reason to consider a first floor extension is simple: they need more usable internal space. A growing family may want an additional bedroom suite, a larger bathroom, a home office, a dressing room, or a reconfigured upper floor that finally gives the house a logical layout. Others want to improve value by turning an awkward two-bedroom arrangement into a practical three- or four-bedroom home. In NW3, where property values are high and moving costs are significant, extending can often be financially smarter than relocating, provided the scheme is designed properly from the outset.
What makes first floor extensions in Hampstead unique is the local context. Many homes sit within conservation areas, adjoin listed buildings, or form part of carefully composed terraces where rooflines, side elevations and rear projections all contribute to the character of the street. Even where a house is not listed, the planning authority may scrutinise scale, massing, materials, window proportions and visibility from public viewpoints. A successful extension therefore has to balance two goals at once: creating meaningful new space internally while appearing as a natural and respectful evolution of the original building externally.
There is also the construction challenge. Older properties in NW3 may have shallow foundations, irregular wall build-ups, ageing timber structures, hidden chimney breasts, difficult access, party wall constraints and neighbours in very close proximity. Structural integration between old and new needs to be carefully engineered. Fire safety, acoustic upgrading, thermal performance, drainage changes, steel installation and roof weathering all need to be coordinated in detail. This is why the best first floor extensions are never just about adding a box above an existing room. They are about redesigning the whole upper level so circulation, light, privacy and structure all work together.
This guide explains the key extension types suitable for Hampstead NW3, the planning and conservation issues that commonly arise, the building regulations requirements you should expect, realistic cost ranges, likely timescales, and the most common mistakes homeowners make. Whether you are considering a first floor side extension over a garage, a rear first floor addition, or a more comprehensive remodelling project linked to a loft and internal refurbishment, the aim is to help you understand what is feasible, what influences cost, and how to approach the process in a way that protects both design quality and long-term value.
Types of first floor extension Hampstead NW3
Understanding the different types of first floor extension hampstead nw3 available is essential for making the right choice for your property, budget, and requirements. Each type has distinct advantages, cost implications, and suitability for different property types.
First floor rear extension
A first floor rear extension is one of the most popular options in Hampstead NW3 because it can significantly improve bedroom accommodation while keeping changes away from the main street elevation. It is often suitable for creating a principal bedroom suite, enlarging secondary bedrooms, adding a family bathroom, or reworking an awkward landing. Rear additions can align neatly over an existing ground floor extension, making structural support more efficient and preserving garden space better than a full-width single-storey rear enlargement. From a design perspective, rear extensions can be detailed to complement the host property with matching brickwork, high-quality render, zinc cladding or carefully proportioned windows depending on the architectural character of the house.
Another advantage is that rear-facing additions are often easier to integrate visually than side extensions on prominent corner plots or houses with visible flank elevations. They can also create opportunities to improve energy performance by replacing poor-quality existing roofs and walls with better insulated construction. Internally, a rear extension can unlock more coherent room layouts, especially where the original first floor is fragmented by narrow corridors or undersized bathrooms.
The main challenge with a first floor rear extension is planning impact on neighbouring properties. Overlooking, loss of light, overbearing mass and the effect on rear building lines are all common objections in dense NW3 settings. In conservation areas, the council may be particularly sensitive to how far the extension projects and whether it disrupts the established rear rhythm of the terrace or pair of houses. Construction can also be more complex if the new first floor sits above an older ground floor extension that was not originally designed to carry substantial additional loads. In such cases, foundations, walls and roof structures may need strengthening or partial rebuilding, which can increase cost.
Rear access in Hampstead can be limited, so logistics may affect programme and budget. Scaffolding, steel installation and material handling often need careful planning to avoid disruption to neighbours and to comply with access restrictions.
First floor side extension
A first floor side extension can be highly effective where a house has an existing side passage, garage, or underused gap to the boundary. In Hampstead NW3, this type of extension is often used on detached and semi-detached homes to add one or two bedrooms, a study, an en suite, or a larger landing with improved circulation. Because it extends the width of the upper floor, it can transform the entire internal arrangement rather than simply enlarging a single room. It is particularly useful when homeowners want a more balanced plan, for example moving bathrooms away from front principal rooms or creating a proper main bedroom suite.
Where the side addition is visible from the street, a well-designed scheme can complete the composition of the house and remove the appearance of an awkward gap. If the extension is set down, set back or articulated carefully, it can preserve the hierarchy of the original building while still delivering substantial extra floor area. Side extensions can also provide opportunities to improve privacy by carefully positioning windows and using high-level or obscured glazing where needed.
Planning risk is often higher with first floor side extensions than with rear additions because the flank elevation may be visible from the public realm. In Hampstead conservation areas, local authorities frequently resist side infill or side additions that close characteristic gaps between buildings or create a terracing effect between semi-detached houses. The design must therefore be exceptionally well judged in terms of width, height, roof form, materials and relationship to the original house.
From a technical standpoint, side extensions near boundaries can trigger party wall considerations, difficult foundation design around trees, and drainage diversions. Access can be tight, especially if the side passage is narrow and needed for construction. Window placement must be handled sensitively to avoid overlooking neighbouring gardens or side windows. If the extension sits over an existing garage, the garage structure may be inadequate to support a habitable room above and may require substantial rebuilding.
First floor extension over existing ground floor extension or garage
Building over an existing single-storey rear addition, kitchen extension or garage can be one of the most efficient ways to gain first floor space in NW3. The footprint has already been established at ground level, which can make the proposal more legible in planning terms and often more space-efficient than creating a new projection. This approach is particularly attractive for families who want an extra bedroom or bathroom without altering the principal roof form. It can also allow the entire house to be rationalised, with upper floor accommodation reorganised above and below the new structure.
If the existing ground floor extension is modern but underperforming, rebuilding or upgrading it as part of the first floor works can improve insulation, weatherproofing and internal comfort throughout the property. In some cases, this route also offers better value than a separate loft conversion because it can produce full-height, conventionally arranged rooms with simpler circulation.
The biggest drawback is uncertainty about the structural capacity of what already exists. Many older rear extensions and garages in Hampstead were never intended to support another storey. Foundations may be too shallow, walls too thin, and roof structures unsuitable. Once investigations begin, homeowners sometimes discover that the most economical route is to demolish and rebuild the existing structure rather than adapt it. That can alter the budget significantly.
There may also be planning concerns if the resulting two-storey form appears bulky or causes unacceptable loss of light to neighbours. Matching old and new materials can be difficult, especially where the existing extension is poorly built or visually out of character. Temporary works and weather protection are also important because opening up the roof of the existing extension can expose occupied rooms below during construction.
Planning Permission in London
Planning for a first floor extension in Hampstead NW3 is rarely a box-ticking exercise. Even where a proposal appears modest, the local planning context can be demanding because Hampstead contains numerous conservation areas, architecturally sensitive streets and properties whose value is tied closely to their historic character. Before any design is developed, it is important to establish whether the property is listed, whether it sits within a conservation area, whether there are Article 4 directions affecting permitted development rights, and whether there is any recent planning history on the site or neighbouring properties that indicates how the council is likely to respond.
In many parts of NW3, a first floor extension will require full planning permission. Rear additions are assessed for projection, height, bulk, design quality, visibility and impact on neighbouring amenity. Side extensions are often judged even more critically because they may affect the rhythm of the street, reduce characteristic spacing between houses or create a visually dominant mass when viewed from public areas. If the house forms part of a pair or terrace, the authority will often expect the extension to remain subordinate to the original building, with clear cues such as a set-back, lower ridge, narrower width or differentiated detailing that avoids a clumsy copy.
Conservation area considerations are especially important in Hampstead. The planning authority will look not only at whether the extension is attractive in isolation, but whether it preserves or enhances the character and appearance of the area. That means materials, roof form, eaves lines, window proportions, brick bond, parapet treatment and rainwater goods can all matter. A poorly considered rear extension may be hidden from the street but still be considered harmful if it disrupts the historic pattern of rear elevations. Equally, a side extension that fills a valued visual gap can be refused even if the internal space gain is substantial.
Neighbouring amenity is another central issue. The council will usually assess overlooking, loss of privacy, overshadowing, daylight reduction and the sense of enclosure caused by the proposed mass. In NW3, where gardens can be terraced, sloping or closely overlooked already, a new first floor window or wall can have a more significant effect than homeowners initially expect. Careful modelling, sightline studies and shadow analysis can help demonstrate acceptability. Design strategies such as stepping the extension in from the boundary, using obscure glazing to side windows, limiting projection depth, or introducing angled reveals can often make the difference between a contentious scheme and one that is more likely to be approved.
For listed buildings, listed building consent may be required in addition to planning permission, and the threshold for acceptable change is higher. The emphasis is on significance, reversibility where possible, and preserving historic fabric. Alterations to roof structures, cornices, chimneys, historic staircases or original room proportions can become key issues. In such cases, a heritage statement and a design-and-access justification are usually essential.
Homeowners should also be aware that permitted development rights cannot be assumed. Flats do not benefit from the same rights as houses, many properties in conservation areas are more restricted, and previous extensions may already have exhausted what is allowed. Even where some rights exist, relying on them without a lawful development certificate can be risky, especially in a high-value area such as Hampstead where future sales often involve detailed solicitor enquiries.
The best planning strategy is usually to begin with a measured survey, planning appraisal and concept options review before committing to a single scheme. This allows the design to respond intelligently to policy, the specific character of the street and the realities of neighbour relationships. Pre-application advice can be useful for more sensitive sites, particularly where the house is listed or the extension is visible from the street. A well-prepared application for a first floor extension in Hampstead should typically include existing and proposed drawings, a site plan, location plan, design and access statement where required, heritage information if relevant, and supporting analysis that clearly explains why the proposal is proportionate, sympathetic and policy compliant.
Building Regulations
Building regulations for a first floor extension in Hampstead NW3 are just as important as planning permission, and they govern how the project is actually built. Even if the extension looks straightforward from the outside, the technical requirements can be extensive because you are creating new habitable space, altering the structure of the existing house and often changing the fire strategy of the upper floors. Building regulations approval can be obtained through a full plans application or a building notice, but for most first floor extensions in complex London housing stock, full plans are strongly recommended because they provide clarity before work starts and reduce the risk of costly on-site changes.
Structure is one of the first key areas. The existing building must be assessed to determine whether walls, foundations and any retained ground floor extension can support the new loads. Structural engineers will usually specify steel beams, padstones, timber strengthening, new floor joists, roof modifications and local rebuilding where necessary. In older NW3 properties, assumptions about hidden construction can be unreliable, so opening-up works may be needed before final structural design is confirmed. Lateral stability and tying new work properly into old masonry are also essential, particularly where the original house has moved over time or contains mixed construction methods.
Fire safety is another major consideration. A first floor extension can trigger requirements for protected escape routes, upgraded fire doors, mains-wired smoke alarms, appropriate window egress in certain rooms, and in some cases enhanced fire protection to the existing staircase enclosure. If the project forms part of a loft conversion or creates a three-storey arrangement, the fire strategy becomes more demanding. Internal layout changes may be needed to ensure safe escape from all bedrooms. This is often overlooked at concept stage, but it can materially affect the design and cost.
Thermal performance requirements mean the new walls, roof and floor elements must achieve current insulation standards, and any retained elements affected by the works may need upgrading where feasible. Good detailing is crucial in period homes to avoid condensation risks at junctions between old solid walls and new insulated construction. Windows and doors in the extension must meet energy performance standards while also responding to the planning and heritage context. Balancing slim traditional sightlines with thermal compliance is a common challenge in Hampstead projects.
Sound insulation should not be ignored, especially in semi-detached houses, properties near busy roads and homes where the extension changes the relationship between bedrooms and neighbouring spaces. Floors and partitions may need acoustic enhancement. Ventilation is equally important: new bathrooms require extract ventilation, habitable rooms need adequate background and purge ventilation, and airtight modern construction must be balanced with healthy airflow. If a first floor bathroom is added, drainage design becomes a technical issue too. Soil routes, venting, falls and boxing-in all need to be coordinated early so they do not compromise room layouts or external elevations.
Stairs, head heights, guarding and glazing safety are other routine but important building control matters. Where the extension alters landings or creates new openings, balustrades and guarding must comply. Any low-level glazing near floor level or doors may require safety glass. Roof weathering, cavity trays, leadwork, parapet drainage and waterproofing details are especially important on first floor additions because defects can affect not just the new room but the existing accommodation below.
Finally, construction in Hampstead often requires a higher standard of technical coordination due to access constraints and the age of the buildings. Detailed drawings, specifications and site inspections help ensure the extension is not only compliant on paper but durable in practice. Good building regulations design should support the architecture, not undermine it. The best projects integrate structure, fire safety, insulation, drainage and buildability from the outset so the finished extension feels seamless, comfortable and robust for decades to come.
first floor extension Hampstead NW3 Costs in London 2025
The cost of a first floor extension in Hampstead NW3 varies widely depending on size, structural complexity, specification, planning constraints and how much of the existing house is altered as part of the works. As a broad guide, a small and relatively straightforward extension over an existing garage or modest rear addition might begin around £50,000 to £75,000. A medium-sized project involving more structural intervention, upgraded finishes, bathroom installation and careful external matching often falls between £75,000 and £110,000. Larger or more architecturally sensitive schemes in conservation settings, particularly those involving rebuilding existing lower extensions, complex steelwork, premium windows, bespoke joinery and significant internal remodelling, can exceed £110,000 and may rise well beyond £150,000.
Several factors push costs upward in NW3 compared with less constrained areas. The first is access. Narrow side passages, restricted parking, controlled delivery hours and the need to protect neighbouring properties all increase labour and logistics costs. The second is structural uncertainty. If the extension sits over an older ground floor addition, the existing foundations and walls may need upgrading or complete replacement. Investigations, temporary works and engineering revisions can all add to the budget. The third is planning and heritage sensitivity. Matching high-quality brickwork, slate, render details, traditional timber sash windows or conservation rooflights is more expensive than using standard off-the-shelf components.
Bathrooms and bespoke interior works are also major cost drivers. Many first floor extensions are not just shell additions; they involve relocating bedrooms, creating en suites, fitting wardrobes, replastering adjacent rooms, upgrading electrics and redecorating larger areas so the whole floor feels coherent. Once clients decide to improve the circulation and finish of the existing upper floor at the same time, the project can shift from a simple extension into a more comprehensive refurbishment. That often delivers better results, but it must be budgeted realistically.
Professional fees should be allowed for separately unless your builder’s quote explicitly includes them. Typical pre-construction costs may include measured survey, architectural design, planning application preparation, structural engineering, party wall surveyor fees if required, building control charges and potentially a Thames Water build-over agreement or specialist heritage input. Contingency is essential, especially in older Hampstead houses. A sensible allowance is often 10 to 15 percent depending on how much opening-up information is available before contract.
Specification level matters too. Flooring, bathroom sanitaryware, ironmongery, skirting profiles, roof finishes, insulation upgrades and bespoke storage can each alter the final total significantly. If the aim is to create a high-end principal suite in keeping with the value of a Hampstead property, premium finishes may be justified. If the priority is simply adding a functional extra bedroom, a more restrained approach can control costs. The most reliable way to budget is to develop the design in sufficient detail, obtain coordinated structural information, and then seek itemised quotations based on a clear scope rather than rough assumptions.
Quick Cost Summary
Timeline: How Long Does It Take?
The timeline for a first floor extension in Hampstead NW3 depends on the complexity of the design, the planning route, and the condition of the existing building. In most cases, homeowners should allow around 6 to 10 months from initial design work to practical completion, and longer if the property is listed, located in a particularly sensitive conservation setting, or being refurbished extensively alongside the extension.
The design stage commonly takes 4 to 8 weeks. This includes measured survey work, briefing, concept options, planning appraisal and development of the preferred scheme. On more complex homes, this stage can take longer because the architect may need to test different massing options, assess neighbour impacts, or coordinate early structural advice before the design is ready for submission. Rushing this stage is a false economy. A well-resolved proposal is more likely to gain planning approval and less likely to lead to expensive redesign later.
The planning stage often takes 8 to 12 weeks from submission to decision, although this can vary. If validation is delayed, if the council requests amendments, or if the application is referred for additional heritage review, the process may extend further. Pre-application advice can add time up front but may reduce risk on sensitive sites. If the extension requires listed building consent or there are significant neighbour objections, additional programme allowance is sensible.
Once planning is secured, technical design and building regulations information are prepared. Some homeowners overlap this with the planning period to save time, but that should be done carefully in case the approved scheme changes. Tendering, contractor selection and party wall matters can add several more weeks. Party wall awards in particular should not be left until the last minute where work affects shared walls or excavations near boundaries.
Construction for a typical first floor extension usually takes 12 to 20 weeks. Simpler projects over existing garages may sit at the lower end, while schemes involving demolition and rebuilding of a ground floor extension, major steel installation, roof alterations or extensive internal remodelling can take longer. Weather, access restrictions and hidden defects in older buildings can all affect progress. In occupied homes, sequencing becomes especially important because the contractor may need to keep bedrooms, bathrooms or circulation routes operational for part of the build.
The final 2 to 4 weeks are often dedicated to second-fix carpentry, bathroom fitting, decoration, snagging and certification. This finishing period is easy to underestimate, particularly where there is bespoke joinery or where the extension ties into refurbished existing rooms. Homeowners should also allow time after completion for final building control sign-off and for obtaining electrical, gas and any warranty documentation. A realistic programme with float built in is always preferable to an optimistic schedule that creates stress and compromises quality.
Timeline Summary
- Design4-8 weeks
- Planning8-12 weeks
- Construction12-20 weeks
- Finishing2-4 weeks
- Total6-10 months
The Design Process
At Hampstead Renovations, we follow a structured design process for every first floor extension hampstead nw3 project. This process has been refined over hundreds of projects across North London and ensures that nothing is overlooked, budgets are managed, and the final result exceeds expectations.
1. Initial Brief & Site Visit
Every project begins with a conversation. We visit your property, listen to your requirements, understand your budget, and assess the feasibility of your ideas. For first floor extension hampstead nw3, this initial visit is crucial — we need to understand the existing structure, identify constraints, and discuss the range of options available to you. This meeting is free and without obligation.
2. Concept Design
Based on the brief, we develop two or three concept design options. These are presented as floor plans, sections, and 3D visualisations so you can understand how the space will look and feel. We discuss the pros and cons of each option, the cost implications, and any planning considerations. This phase typically takes 2–3 weeks.
3. Developed Design
Once you have chosen a preferred concept, we develop it in detail. This includes finalising the layout, specifying materials and finishes, developing the structural strategy with our engineer, and resolving all the technical details that affect how the space works. We provide a detailed cost estimate at this stage so you can make informed decisions about specification.
4. Planning Application (if required)
If planning permission is needed, we prepare and submit the application, including all supporting documents (design and access statement, heritage impact assessment for listed buildings, structural methodology for basements). We manage the application process, respond to any council queries, and negotiate with planning officers where necessary.
5. Technical Design & Building Regulations
We produce detailed construction drawings and specifications — the documents your contractor will build from. These include architectural plans, sections and elevations, structural engineering drawings, services layouts, and a comprehensive specification of materials and workmanship. We submit for Building Regulations approval and manage the approval process.
6. Tender & Contractor Appointment
We invite three to four vetted contractors to price the project from our detailed drawings and specification. We analyse the tenders, interview the contractors, and recommend the best appointment based on price, programme, experience, and references. We help you negotiate the contract terms and agree a realistic programme.
7. Construction & Contract Administration
During construction, we carry out regular site inspections to ensure the work complies with the design, specification, and Building Regulations. We chair progress meetings, manage variations, certify interim payments, and resolve any issues that arise. Our role is to protect your interests and ensure the project is delivered to the agreed quality, programme, and budget.
8. Completion & Handover
At practical completion, we carry out a thorough snagging inspection and produce a defects list for the contractor to address. We manage the Building Control final inspection, obtain the completion certificate, and compile a comprehensive handover pack including all warranties, certificates, maintenance guides, and as-built drawings.
Common Mistakes to Avoid
Over hundreds of first floor extension hampstead nw3 projects across London, we have seen the same mistakes repeated. Learning from others' errors can save you thousands of pounds and months of frustration.
1. Assuming planning permission will be straightforward
Many homeowners underestimate how sensitive Hampstead NW3 can be from a planning and heritage perspective. A design that seems modest in floor area may still be refused if it harms a conservation area, closes an important side gap, overlooks neighbours or appears too bulky. Early planning appraisal is essential.
2. Building over an inadequate existing extension
A common mistake is assuming an old rear extension or garage can simply carry a new room above. In reality, foundations, walls and roof structures are often insufficient. Structural investigations should happen early so the budget reflects whether strengthening or rebuilding is required.
3. Focusing only on added floor area
The best first floor extensions improve the whole upper floor layout, not just one room. If circulation, bathroom positioning, storage and fire safety are ignored, the house may gain space but still function poorly. Good design should address the plan as a whole.
4. Underbudgeting for finishes and internal alterations
Clients often budget for the shell but forget bathrooms, wardrobes, flooring, redecoration, electrical upgrades and making good to adjacent rooms. In Hampstead homes, matching quality and creating a seamless finish can be a substantial part of the total cost.
5. Leaving party wall matters too late
If the works affect a shared wall, cut into party structures or involve excavation near neighbouring foundations, party wall notices and awards may be required. Delays in appointing surveyors can push the start date back by weeks.
6. Choosing design details that clash with the original house
A first floor extension should feel subordinate and sympathetic to the host building unless there is a strong planning-supported reason for a contrasting contemporary approach. Poorly matched brickwork, awkward roof forms and generic windows can undermine both approval chances and resale value.
How to Choose a Contractor
The choice of contractor is one of the most important decisions you will make in any renovation project. A good contractor delivers quality work on time and on budget; a poor one can cause delays, cost overruns, defective work, and enormous stress. Here is how to find and evaluate the right contractor for your project.
What to Look For
- Relevant experience: Ask to see completed projects similar to yours in type, scale, and specification. A contractor who specialises in basement conversions may not be the best choice for a period restoration, and vice versa. Request references from recent clients and, if possible, visit a completed project
- Insurance: Verify public liability insurance (minimum £5 million), employer's liability insurance (a legal requirement if they employ anyone), and professional indemnity insurance if they are providing any design input. Ask to see current certificates, not expired ones
- Trade body membership: Membership of the Federation of Master Builders (FMB), TrustMark, or the National Federation of Builders (NFB) provides some assurance of competence and financial stability. For specialist work, look for relevant accreditations (e.g., PCA for waterproofing, NICEIC for electrical)
- Financial stability: A contractor who goes bust mid-project is every homeowner's nightmare. Check Companies House for financial health, look for a stable trading history, and consider whether the company has sufficient resources to manage your project alongside their other commitments
- Communication style: During the quoting process, assess how responsive, clear, and professional the contractor is. This is a preview of how they will communicate during the project. If they are slow to return calls or vague in their quotes at this stage, it will not improve once they have your money
Red Flags to Avoid
- Quoting without visiting the site or seeing detailed drawings
- Requesting large upfront payments (more than 10–15% of the contract value)
- No written contract or a vague, one-page quotation
- Pressure to commit quickly or "special" discounts that expire
- Unable or unwilling to provide references from recent projects
- No insurance certificates available for inspection
- The quote is significantly lower than all others — this usually means something has been missed, not that they are offering better value
Questions to Ask
- How many similar projects have you completed in the last two years?
- Who will be the site manager/foreman for my project, and how many other projects will they be managing simultaneously?
- What is your proposed programme (start date, key milestones, completion date)?
- How do you handle variations and additional work — what is your day rate for unforeseen items?
- What warranty do you provide on your work?
- Can I speak to three recent clients whose projects are similar to mine?
Case Studies
Our portfolio includes hundreds of first floor extension hampstead nw3 projects across London. Here are three examples that illustrate the range of work we undertake:
Victorian Terrace, Hampstead (NW3)
A comprehensive first floor extension hampstead nw3 project on a four-bedroom Victorian terrace in a conservation area. The project required careful liaison with Camden planning officers to ensure the design respected the architectural character of the street while delivering modern living standards. Completed on time and within the agreed budget, the project added approximately 20% to the property value.
Edwardian Semi, Crouch End (N8)
A family of five commissioned this first floor extension hampstead nw3 project to create additional space and modernise the property while retaining its Edwardian character. Original features including cornicing, ceiling roses, and timber panelling were carefully restored, while new elements were designed in a contemporary style that complements rather than imitates the original architecture.
Period Property, Highgate (N6)
This substantial first floor extension hampstead nw3 project in Highgate Village required Listed Building Consent and close collaboration with the local conservation officer. The design balanced the need for modern comfort and energy efficiency with the preservation requirements of the listed building. Specialist heritage contractors were appointed for sensitive elements including lime plastering, timber window restoration, and stone repairs.