Flat
refurbishment
in South Kensington, SW7
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 Onslow Court, Cornwall Mansions, Queen’s Gate Gardens - mansion blocks and period conversions where freeholder approvals, acoustic compliance and access logistics need handling properly.
Flat Refurbishment in South Kensington: What You Need to Know
Refurbishing a South 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.
South 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 South 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.
A South Kensington flat refurbishment begins with the address. The Boltons holds detached Italianate villas around its garden — substantial heritage buildings, refurbished with care — while the Regency sweep of Pelham Crescent sets an elegant counterpoint and mansion flats are stitched through the whole of SW7, alongside Victorian terraces, mews houses and garden-square properties whose value rests heavily on room proportions, facades, communal areas and original details.
The scope is then sequenced rather than assembled. Freeholder and planning checks come first, before layouts or services are fixed; in the mansion flats, structure, acoustics and the freeholder's consent are handled as one package under RBKC's strict controls; and only once those positions are settled does the detailed design harden. With the stucco Italianate terraces, Boltons villas and prime mansion flats many listed and largely leasehold, consents steer the refurbishment in this district from the very start.
Costs follow the sequence. London-wide, a two-bedroom flat taken through a full refurbishment carries a band of £60,000–£110,000 excluding VAT, and where a given SW7 scheme lands within it is settled by the building and its consent requirements rather than by the headline figure — which is why the checks come before the numbers.
Flat Refurbishment in South Kensington: Applied to the Local Stock
South Kensington sits in the Royal Borough of Kensington and Chelsea, within conservation areas including the Thurloe and Boltons estates, alongside the great museums. The Thurloe Estate and Smith's Charity Conservation Area (appraisal adopted 25 October 2016) has South Kensington Underground Station at its geographic centre and displays a remarkable slice of South Kensington's architectural history, from Georgian elegance and restraint through late Regency designs and Italianate pomp to the red brick Queen Anne style of the late Victorian period. The Queen's Gate Conservation Area appraisal (adopted 26 February 2020) records that the Natural History, Victoria and Albert, Geological and Science Museums in the eastern part of the conservation area form part of South Kensington's larger area of cultural institutions, with the grade II listed pedestrian subway under Exhibition Road running to South Kensington Station.
Sources: RBKC conservation area maps (register of the borough's 38 conservation areas) (2026); RBKC, Thurloe Estate and Smith's Charity Conservation Area Appraisal (adopted 25 October 2016) (2026); RBKC, Queen's Gate Conservation Area Appraisal (adopted 26 February 2020) (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 South Kensington?
A flat refurbishment in South 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 South Kensington: Questions
How is a flat refurbishment scoped and sequenced in South Kensington?
In a fixed order. So much of the worth of SW7's garden-square properties, Victorian terraces and mansion flats sits in their room proportions, facades, communal areas and original details that the scope starts from what the building already offers. Freeholder and planning checks then come before any layout or services decision is fixed — a sequence that protects the programme rather than delaying it.
Do you refurbish flats around The Boltons and Pelham Crescent in South Kensington?
Yes — that stretch of SW7 is home ground. The Boltons brings detached Italianate villas set around their garden, treated as substantial heritage refurbishments and led with care, while Pelham Crescent contributes its elegant Regency curve, Onslow Gardens and Thurloe Square their monumental white-fronted runs, and mansion flats appear throughout.
What does a full flat refurbishment cost in South Kensington?
As a London-wide yardstick, a two-bedroom flat refurbished throughout runs £60,000–£110,000 excluding VAT. This is the district where grand stucco reaches its most confident pitch, and the figure a particular flat needs follows the building's demands — the benchmark is a starting point, nothing more.
Why do structure, acoustics and consents get handled together in South Kensington flats?
Because in SW7's prime mansion flats they are inseparable: these are leasehold undertakings in which the structural work, the acoustic work and the freeholder's consent all move together, under RBKC's strict controls and alongside an exacting level of finish. Splitting them into separate exercises is how programmes slip, so we run them as one.
Which conservation areas form the backdrop to a South Kensington flat refurbishment?
The Royal Borough designations here include the Thurloe and Boltons estates, with the great museums alongside. The Thurloe Estate and Smith's Charity Conservation Area — its appraisal adopted in October 2016 — has South Kensington Underground Station at its geographic centre and takes in everything from Georgian elegance through late Regency and Italianate designs to late-Victorian red-brick Queen Anne, which is why no two SW7 refurbishments read from quite the same page.
How much does a flat refurbishment cost in South Kensington?
Guide rates in South 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.
Local character & heritage: renovating flats in South Kensington
South Kensington sits in the Royal Borough of Kensington & Chelsea, and a large share of its homes are leasehold flats — within grand stucco terraces and garden squares around the museums. 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.
South Kensington heritage & architecture: Renovating a flat · Kitchens in period flats · Licence to alter · Mansion flats · Roof developments & conservation · Conservation areas
Flat Refurbishment in South Kensington: Planning & Local Context
the Royal Borough of Kensington & Chelsea · SW7
Planning for flat refurbishment in South Kensington
Flat refurbishment in South 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 South Kensington's conservation areas and most mansion blocks.
the Royal Borough of Kensington & Chelsea context
South Kensington SW7 sits within South 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 South 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
Explore our other South Kensington services — Kitchen Renovation Loft Conversions — or the South Kensington renovation hub.
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
More Services in South Kensington
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