House
refurbishment
in Marylebone, W1U
Architects, Engineers, Surveyors & Builders Under One Roof.
One Studio. One Contract. One Team.
RICS-regulated chartered surveying for party walls, licence to alter, conservation-area works & neighbour mattersWe've completed house refurbishments across Marylebone High Street, Montagu Square, Bryanston Square, Dorset Square - Georgian Townhouses, Portman Estate Terraces, Mansion Flats where listed-building consent, conservation detailing and structural sequencing need handling properly with Westminster.
House Refurbishment in Marylebone: What You Need to Know
Many Marylebone houses sit within the Marylebone Conservation Area, and a proportion are Grade II or Grade II* listed. Our in-house RIBA Chartered Architects handle Listed Building Consent applications with Westminster directly, specify heritage-appropriate materials (lime plaster, timber sash repair, period-correct paint schemes), and coordinate the build so protected features survive the project intact. Projects typically run 16–32 weeks depending on structural scope and approvals.
Elegant village feel with Georgian architecture, Marylebone High Street boutiques, and Regent's Park proximity. Howard de Walden Estate properties. Westminster conservation area. A full refurbishment in Marylebone typically involves stripping the property back to its structural shell, upgrading mechanical and electrical services, reconfiguring layouts, and finishing to the highest standard — all while preserving and restoring original period features.
Our Marylebone refurbishment projects are managed through a single point of contact, coordinating architects, structural engineers, M&E specialists, and specialist subcontractors. We work within Westminster's planning and building control requirements to deliver on time and on budget.
Marylebone is one of London’s most complete Georgian quarters, and refurbishing here is governed less by design ambition than by who holds the freehold. It belongs to the City of Westminster, largely inside the Marylebone Conservation Area, and its terraces sit on the Portman and Howard de Walden estates. Designated in 1967 and later extended, the Portman Estate Conservation Area protects the late-18th and early-19th-century grid that spread from Portman Square through Manchester Square to Baker Street.
That estate structure defines the consent stack. Portman and Howard de Walden houses are refurbished under a programme agreed with Westminster and the estate freeholder, so a clear consent strategy comes first. The Georgian townhouses on the great squares, the estate terraces and the substantial mansion flats are largely listed and leasehold — Montagu Square and Bryanston Square hold elegant brick runs, Dorset Square a Regency set-piece, and Marylebone High Street the mansion flats and conversions above the shops.
The borough figure the council uses runs £90,000–£475,000 net of VAT, from a lighter refurbishment near the lower bound to a full back-to-brick job at £275,000–£475,000. Freeholder approvals, mansion-flat acoustic upgrades, sash and facade decisions and party-wall coordination then shape where a particular Marylebone project lands.
House Refurbishment in Marylebone: Applied to the Local Stock
The Harley Street Conservation Area - first designated in 1968 around Portland Place, Harley Street and Wimpole Street, and extended west to Marylebone High Street in 1981 - covers the Howard de Walden Estate's Marylebone grid, with medical uses of international renown in and around Harley Street and Marylebone High Street as its main shopping thoroughfare; it is bounded by the Regent Street, Mayfair, Portman Estate, Regent's Park and East Marylebone conservation areas. The Portman Estate Conservation Area was first designated in 1967 to cover the late 18th and early 19th century residential area developed by the Portman Estate, and was extended in 1979 to include parts of Seymour Place and Marylebone Road and in 1990 to include Portman Square; Portman Square was laid out in 1764 and the estate's characteristic 18th century grid extended to Manchester Square (1776) and Baker Street (completed c. 1800). The Marylebone Village Area of Special Archaeological Priority lies largely within the Harley Street Conservation Area around the north end of Marylebone High Street, and the strategic view from Primrose Hill to the Palace of Westminster cuts through the conservation area from Park Crescent to Oxford Street.
Sources: Westminster City Council, Harley Street conservation area mini guide (May 2004) (2026); Westminster City Council, Portman Estate conservation area mini guide (May 2004) (2026)
What a Full House Refurbishment Involves
A full house refurbishment takes a property back to its bones and rebuilds every layer — fabric, services and finishes — in one continuous programme. Rather than patching rooms in isolation, the whole building is brought up to a single standard, so the wiring behind a new kitchen is as sound as the cabinetry in front of it. Most projects we price cover the scope below.
- Strip-out — soft strip back to the structural shell, with condition checks as each layer comes off
- Structural alterations — steels, openings and floor strengthening, engineered and approved before services go in
- Full rewire — new consumer unit, circuits, lighting and data throughout
- Plumbing & heating — replacement pipework, boiler or heat pump, and underfloor heating where specified
- Plastering — walls and ceilings returned to a true, decoration-ready surface
- Kitchens & bathrooms — design, supply and installation, including waterproofing and tiling
- Joinery — doors, skirting, architraves and fitted storage matched to the property’s period
- Decoration — full paint system and final finishes, protected through to handover
How We Run Your Project
Six stages, each closed out before the next begins, so decisions are made on paper rather than mid-build.
- Survey & brief — we measure the building, investigate what is hidden and agree what the finished house must do for you.
- Design & planning — our architects develop the drawings and manage any consents your borough requires.
- Fixed-price contract — a fully itemised specification, priced before work starts rather than estimated during it.
- Strip-out & first fix — demolition, structural work, cabling and pipework, run in the correct order.
- Second fix & finishes — kitchens, bathrooms, joinery, flooring and decoration.
- Snagging & handover — a joint inspection and certification pack, with defects put right before we leave site.
Read the full house refurbishment guide for stage-by-stage detail, specification tiers and cost anatomy.
Building Regulations touch almost every element of a refurbishment — structure, electrics, heating, ventilation and fire safety all need formal sign-off, and we manage building control from submission through to the completion certificate. Where work affects a shared wall, the Party Wall etc. Act 1996 may require notice to your neighbours before structural work begins, and conservation-area or listed status can add consent steps. Our planning guide library explains the rules borough by borough.
Why Hampstead Renovations
We hold £10 million public liability insurance with Aviva; the certificate is available on request.
Transparent Pricing
As a guide, budget £650–£1,250 per square metre for a cosmetic refurbishment that keeps the existing layout, and £2,250–£3,250 per square metre for a back-to-brick renovation, depending on how deep the work goes. A typical whole-house programme runs 16–32 weeks on site, and every project is priced line by line before you commit.
What does a house refurbishment cost in Marylebone?
Cost in Marylebone depends on depth of work. A cosmetic refurbishment that keeps the existing layout runs £650–£1,250/sqm (typically £90,000–£180,000), while a back-to-brick renovation runs £2,250–£3,250/sqm (typically £275,000–£475,000), excluding VAT. A written scope and site assessment are needed before any project price can be fixed.
| Scope of work | Guide rate | Typical total |
|---|---|---|
| Cosmetic — existing layout retained | £650–£1,250/sqm | £90,000–£180,000 |
| Back-to-brick renovation | £2,250–£3,250/sqm | £275,000–£475,000 |
| 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.
Planning your refurbishment budget?
Use our 2026 London refurbishment cost-per-square-metre guide to compare the owner-confirmed Essential, Premium and Heritage/Luxury guide bands. A written scope and site assessment are still needed before any project price can be fixed.
House Refurbishment in Marylebone: Questions
What is the biggest constraint on a Marylebone refurbishment?
Estate ownership. Many Marylebone terraces are Portman or Howard de Walden estate houses, so the works are signed off by both Westminster and the freeholder under a defined consent strategy — estate consent runs alongside the planning process, and the mansion blocks bring extra freeholder and party-wall layers.
Which conservation areas and estates cover Marylebone?
Marylebone lies in the City of Westminster, much of it within the Marylebone Conservation Area and across the Portman and Howard de Walden estates. The Harley Street Conservation Area — first designated in 1968 around Portland Place, Harley Street and Wimpole Street, and extended west in 1981 — covers the Howard de Walden grid.
What sort of homes make up Marylebone’s refurbishment stock?
Marylebone’s stock — Georgian townhouses on the great squares, estate terraces and mansion flats — is, for the most part, both leasehold and listed. Montagu Square and Bryanston Square carry fine brick terraces on the Portman Estate, Dorset Square is a leafy Regency set-piece, and the mansion flats and conversions above Marylebone High Street complete the picture.
How much does a Marylebone house refurbishment cost?
The Westminster published band for a house renovation reads £90,000–£475,000 exclusive of VAT; a cosmetic tier is priced £90,000–£180,000 and, at the top, a back-to-brick renovation £275,000–£475,000. We price a Marylebone scheme precisely once the estate and planning route are agreed.
What drives the cost of a Marylebone refurbishment?
Costs in Marylebone are driven by freeholder approvals, mansion-flat acoustic upgrades, conservation or listed fabric, facade and sash decisions, central W1 access and storage, party walls and service renewal.
Local character & heritage: refurbishing in Marylebone
Marylebone sits in the City of Westminster, and a full refurbishment here means working with elegant Georgian terraces and mansion blocks on the Portman and Howard de Walden estates. Whole-house and whole-flat projects restore the period fabric — brickwork or stucco, sash windows, cornicing and fireplaces — while quietly bringing services, insulation and layout up to modern standards behind the protected exterior.
Because the estate streets are tightly managed and a high proportion are listed, refurbishment here runs on conservation guidance, and Listed Building Consent where it applies, as much as on Building Regulations. We sequence the restoration, structure and services as one fixed-price contract, designed from the period detail outward.
Marylebone heritage & architecture: Conservation areas · Roof developments & conservation · Listed buildings · Renovating a period terrace · Period facades · Facade planning rules
House Refurbishment in Marylebone: Planning & Local Context
Westminster City Council · W1
Planning for house refurbishment in Marylebone
Whole-property refurbishment in Marylebone frequently involves conservation-area consent — and listed-building consent where applicable — so Westminster City Council assesses external alterations, windows and structural changes alongside Building Regulations, often with party wall agreements on terraced and semi-detached homes.
Westminster City Council context
Marylebone W1 sits within Marylebone's conservation areas, and Westminster applies a demanding conservation and listed-building regime, and many mansion blocks and townhouses here are listed or sit within tightly controlled estates such as the Grosvenor, Howard de Walden and Crown estates. Much of Marylebone is managed by the Howard de Walden and Portman estates. Our in-house RIBA Chartered Architects prepare and submit every application to Westminster City Council and handle pre-application discussions where early planning advice is useful.
Building Regulations
House Refurbishment in Marylebone must satisfy Building Regulations — covering structural alterations to Part A, fire safety to Part B, thermal upgrades to Part L, and electrical and gas certification. Our in-house engineers manage Building Control from initial notice to completion certificate.
Recent work & local links
See recent Marylebone work: Home refurbishment, Marylebone. Explore our Kitchen Renovation Loft Conversions in Marylebone, or the Marylebone hub · Refurbishment Company in Marylebone.
Our in-house planning team prepares and submits every Westminster City Council application and manages building control end to end. View our planning track record →
House Refurbishment in Nearby Areas
More Services in Marylebone
Book a Free Consultation
Visit our studio or invite us to survey your home. We’ll assess scope, discuss design possibilities and provide an honest budget framework — completely free.
Free Consultation
We survey your property, discuss your vision and provide a clear budget framework.