Flat
refurbishment
in Kensington, W8
Architects, Engineers, Surveyors & Builders Under One Roof.
One Studio. One Contract. One Team.
RICS surveying support for party walls, licence to alter, conservation-area works & neighbour mattersWe've completed flat refurbishments across Campden Hill Court, Holland Park mansion blocks, Phillimore Court - mansion blocks and period conversions where freeholder approvals, acoustic compliance and access logistics need handling properly.
Flat Refurbishment in Kensington: What You Need to Know
Refurbishing a Kensington flat is not the same as refurbishing a house. The Licence to Alter is usually required before a single brick moves, Part E of the Building Regulations dictates floor and ceiling build-ups, and site logistics must account for lift protection, works-hours restrictions, and neighbour disruption. Our team manages freeholder surveyors, Party Wall awards, and RBKC Building Control in parallel so your project starts cleanly and finishes without disputes.
Kensington falls within a conservation area, which means visible external alterations require careful design and often full planning permission. Our architects have extensive experience securing approvals in RBKC's conservation areas.
Our flat refurbishment projects in Kensington are delivered by our in-house team of RIBA architects, structural engineers and specialist tradespeople. Every project is managed under a single fixed-price contract with no hidden costs.
Flat refurbishment in Kensington: what actually drives the project
Kensington W8 ranges from Kensington High Street and Notting Hill Gate edges to quiet residential cul-de-sacs, garden squares, white-stucco villas, mansion flats and mews houses. RBKC describes Kensington Conservation Area as the largest of the borough’s conservation areas, with building ages from early Georgian speculative development through to the present day.
RBKC publishes adopted conservation-area material for Kensington, Kensington Court, Kensington Palace and Kensington Square, so visible fabric, listed-building status, roof or basement work and facade changes need checking before scope is fixed. Leasehold flats also need freeholder or council approval and, often, a Licence to Alter for layout and services work.
Cost is shaped by W8 access logistics, mansion-flat acoustics, concealed service routes, waterproofing, conservation-grade plasterwork and joinery, period floors, party-wall awards and the approvals needed before work can start in listed, estate-controlled or leasehold buildings.
Planning a Kensington house or flat refurbishment? Send the W8 address, building type and lease position and we will map planning, freeholder, Building Regulations and access constraints before pricing. Tell us about your project →
Flat Refurbishment in Kensington: Applied to the Local Stock
Kensington sits in the Royal Borough of Kensington and Chelsea, within the Kensington Conservation Area, on some of the most valuable residential streets in London. RBKC states that nearly three quarters of the borough is protected by 38 separate conservation areas, and that proposals in them must preserve or enhance the historic or architectural character or appearance of the conservation area.
Sources: RBKC conservation area maps (register of the borough's 38 conservation areas) (2026); RBKC - Conservation areas (heritage and conservation overview page) (2026)
What a Flat Refurbishment Involves
Refurbishing a flat means renovating inside a building you share — so the job is as much about leases, neighbours and building rules as it is about kitchens and finishes. We plan every project around the consents your lease demands and the protocols your block expects, then deliver the technical work under one fixed-price contract. A typical scope covers the elements below.
- Licence to Alter — lease review, application pack and freeholder’s surveyor queries handled on your behalf
- Acoustic build-up — separating floors and walls upgraded to meet Building Regulations Part E and any stricter freeholder schedule
- Wet-room tanking — certified waterproofing beneath every bathroom, flood-tested before tiling and covered by a 12-month defects period
- Rewire & replumb — new circuits, pipework and heating, coordinated with the building’s risers and stacks
- Layout changes — internal openings engineered, approved by building control and cleared with the freeholder where the lease allows
- Kitchens & bathrooms — designed, supplied and fitted to the specification tier you select
- Period detail — cornicing, sash windows and fireplaces retained and repaired in conversion flats
- Block protocols — lift protection, booked deliveries, restricted noisy hours and daily cleaning of communal areas
How We Run Your Project
Six stages, sequenced so freeholder consent never holds up the start on site.
- Survey & lease review — we measure the flat, inspect the services and read your lease to identify exactly which consents apply.
- Design & consents — our architects develop the layout while the Licence to Alter application runs in parallel, not afterwards.
- Fixed-price contract — an itemised specification agreed in full, with the acoustic and tanking details written in.
- Strip-out & first fix — soft strip, structural openings, cabling, pipework and the acoustic carcass, all removed and delivered through agreed routes.
- Second fix & finishes — kitchen, bathrooms, joinery, flooring and decoration.
- Testing & handover — snagging, certification and reinstatement of any communal areas before the keys come back to you.
Read the full flat refurbishment guide for flat typologies, specification tiers and the Licence to Alter process in detail.
Almost every leasehold flat needs formal freeholder consent — a Licence to Alter — before structural work, new flooring or services alterations can begin, and proceeding without one puts your lease at risk. Building Regulations apply on top: Part E sound insulation between dwellings, electrical and heating sign-off, and fire safety where walls or floors are opened. Flats and maisonettes also have no permitted development rights, so external changes always need a planning application. Our planning guide library covers the rules borough by borough.
Why Hampstead Renovations
Flat refurbishment rewards a team that already knows what freeholders and managing agents will ask for. Design is led by our in-house RIBA Chartered Architects, lease and party-structure matters are supported by RICS surveying through our sister company, Hampstead Chartered Surveyors, and the build is carried out by our own long-standing teams. Every contract is fixed-price on JCT terms, backed by £10M public liability insurance — the level major London freeholders require — plus a 12-month defects period and a 10-year workmanship warranty. Enquire before 2pm on a weekday and we will call you back the same day.
What does a flat refurbishment cost in Kensington?
A flat refurbishment in Kensington runs £900–£1,700/sqm excluding VAT, and a full two-bedroom refurbishment typically lands between £60,000 and £110,000. Most programmes take 16–32 weeks on site. A written scope and site assessment are needed before any project price can be fixed.
| Scope of work | Guide rate | Typical total |
|---|---|---|
| Full flat refurbishment (2-bed) | £900–£1,700/sqm | £60,000–£110,000 |
| Typical programme | 16–32 weeks on site | |
Guide rates exclude VAT and are set by depth of work, not by property type. Compare scopes in our London refurbishment cost-per-square-metre guide.
Flat Refurbishment in Kensington: Questions
How do you manage acoustics and hidden services in a Kensington mansion-flat refurbishment?
They are planned together, because they compete for the same voids. Mansion-flat acoustics, concealed service routes, waterproofing and period floors all shape a Kensington refurbishment — along with W8 access logistics and conservation-grade plasterwork and joinery — so the services strategy is drawn before finishes are chosen, not threaded through afterwards.
What approvals does a Kensington flat refurbishment go through before work starts?
Usually more than one. Estate or freeholder sign-off moves in step with the planning process, and with Kensington's Georgian townhouses, stucco Italianate terraces and mansion flats many listed and largely leasehold, consents set the pace of refurbishment here. We sequence those approvals so that no single one holds the programme.
Which Kensington blocks and buildings do your flat refurbishments cover?
The mansion blocks bring prime leasehold flats, sitting among the grand Victorian and Georgian houses of Campden Hill Road and Kensington Church Street and the stucco garden-square terraces of Pembroke Gardens and Phillimore Gardens. Across W8 the range widens to white-stucco villas and mews houses — and the approach shifts with the building.
What does a full flat refurbishment cost in Kensington?
The London-wide benchmark for a full refurbishment of a two-bedroom flat is £60,000–£110,000 excluding VAT. The figure a Kensington flat actually needs is shaped by W8 access logistics, mansion-flat acoustics, concealed service routes, waterproofing, period floors, party-wall awards and the approvals required before work can start in listed, estate-controlled or leasehold buildings.
Why do consents lead a flat refurbishment in Kensington?
Because of what the stock is. Grand Victorian and Georgian houses and stucco terraces cluster around Campden Hill and the Phillimore and Pembroke estates, prime mansion flats thread through the rest, and most of this stock is listed or of group value — and largely leasehold. Layer on a borough where nearly three quarters of the land sits in 38 conservation areas, with proposals required to preserve or enhance historic character, and the consent strategy naturally comes before the tile samples.
How much does a flat refurbishment cost in Kensington?
Guide rates in Kensington are £900–£1,700/sqm excluding VAT, with a full two-bedroom refurbishment typically between £60,000 and £110,000, over a 16–32 weeks programme. A written scope and site assessment come before any fixed price.
Recent Projects Near Kensington
Local character & heritage: renovating flats in Kensington
Kensington sits in the Royal Borough of Kensington & Chelsea, and a large share of its homes are leasehold flats — within grand white-stucco townhouses and garden squares. Refurbishing one is a full interior project: reconfiguring the layout, renewing services and finishes, and often combining or reworking rooms within the existing footprint.
The work runs under the lease, so the freeholder's or managing agent's consent sits alongside Building Regulations and the Party Wall Act usually applies between flats; external elements such as windows stay controlled in conservation areas. Because a very high proportion are listed and the borough operates a strict basement policy, we coordinate the lease, the freeholder and the build as one fixed-price contract.
Kensington heritage & architecture: Renovating a flat · Kitchens in period flats · Licence to alter · Mansion flats · Conservation areas · Roof developments & conservation
Flat Refurbishment in Kensington: Planning & Local Context
the Royal Borough of Kensington & Chelsea · W8
Planning for flat refurbishment in Kensington
Flat refurbishment in Kensington sits across two consent regimes: the Royal Borough of Kensington & Chelsea for planning and building control, and your freeholder for a licence to alter covering structural changes, new services and floor build-ups — essential within Kensington's conservation areas and most mansion blocks.
the Royal Borough of Kensington & Chelsea context
Kensington W8 sits within Kensington's conservation areas, and the Royal Borough operates one of the country's strictest planning regimes — its basement policy limits excavation to a single storey beneath the footprint, and listed-building and conservation control is extensive. Our in-house RIBA Chartered Architects prepare and submit every application to the Royal Borough of Kensington & Chelsea and handle pre-application discussions where early planning advice is useful.
Building Regulations
Flat Refurbishment in Kensington must satisfy Building Regulations — covering sound insulation to Part E, fire compartmentation to Part B, and certified electrical and plumbing works. Our in-house engineers manage Building Control from initial notice to completion certificate.
Recent work & local links
See recent Kensington work: Gloucester Road, Kensington Pembroke Gardens, Kensington. Explore our Kitchen Renovation Loft Conversions in Kensington, or the Kensington hub · Refurbishment Company in Kensington.
Our in-house planning team prepares and submits every the Royal Borough of Kensington & Chelsea application and manages building control end to end. View our planning track record →
Guides & Local Reading
Flat Refurbishment in Nearby Areas
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