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Refurbishment and building work in Kensington by GMAS Group

Kensington and Chelsea · W8 and SW7

Refurbishment & building in Kensington.

Refurbishment and repairs for Kensington's period houses, garden-square flats and mews, in W8 and SW7.

Working in Kensington

We know
Kensington.

Kensington is grand period London at its most valuable, built on stucco terraces, garden squares and mansion flats where the standard of finish expected is very high.

Almost all of it lies within conservation areas under the Royal Borough, so heritage-aware planning and careful external work are essential, and we approach every project on that basis.

In W8 and SW7 the work is high-specification whole-house refurbishment, structural and basement projects, and restoration of period features.

Landlords in W8 and W14 also use us for the certificates a tenancy needs. We have dedicated pages for an EICR in Kensington and a gas safety certificate (CP12) in Kensington, and both can be done in one visit with an EPC or a fire alarm check if the property needs one.

Kensington buildings

Squares, villas
and mansion blocks.

Kensington runs from the grand villas of Holland Park and Kensington Palace Gardens to the stucco squares of South Kensington, with Victorian terraces, Edwardian mansion blocks and mews in between. Much of it is listed, almost all of it is in conservation areas, and a large share of homes are flats.

Holland Park's large villas and the streets around Kensington Church Street have different needs from the mansion flats of South Kensington. A villa project might involve every floor and the garden, while a mansion flat job is planned around one front door, a shared lift and a set of building rules. We price each on its own terms rather than from a standard list.

Access is a constant in W8 and SW7. Many streets have controlled parking, narrow pavements and busy residents, so skips, scaffolding and deliveries are licensed and timed to cause as little disruption as possible.

For landlords and agents, we combine repairs with the compliance diary: gas safety records, EICRs and EPCs are booked ahead of expiry and the certificates emailed the same day, so a letting is never held up by missing paperwork.

Listed and period houses

Here the job is often invisible when it is done well: new services, structural repairs and insulation where it is allowed, with original mouldings, joinery and plaster kept or faithfully matched.

Garden-square and mansion flats

Flat refurbishments are shaped by the lease, the managing agent and the neighbours: working hours, protection of common parts, and approval of drawings before work.

Mews houses

Mews cottages bring their own issues: damp at ground level, flat roofs, garage conversions and very tight access.

Most asked for

Kensington
projects.

We are asked most for complete flat and house refurbishments, kitchens and bathrooms, rewiring, plaster repairs to lath and plaster ceilings, and damp and timber problems in lower ground floors.

Permissions

The Royal Borough
and listed buildings.

Kensington is in the Royal Borough of Kensington and Chelsea, one of the most closely controlled planning authorities in the country. Most streets are conservation areas, and listed buildings need consent for many internal changes as well as external ones. Basements are subject to a specific borough policy. For flats, the freeholder's licence to alter usually comes first. We set out what consents your job needs before quoting.

Lower ground floors

Damp and
vaults.

Kensington's lower ground floors and front vaults are where most damp problems start. We look for the cause first: blocked gullies, defective lightwell drainage, leaking pipes, failed render or poor ventilation. Then we repair the damp and timber damage and replaster in materials that suit the wall, which in older buildings often means lime.

For owners abroad

Managing a W8
property from afar.

Many Kensington flats are owned by people who live elsewhere. We can be the single contact for repairs, refurbishment between lettings and certificates, sending photographs of each stage and the certificates by email.

Certificates

Gas safety records, EICRs and EPCs, emailed the same day the inspection is done.

Refurbishment between lettings

Decorating, repairs, kitchens and bathrooms, planned around the building's working hours.

Kitchens and bathrooms

Fitted to
period rooms.

Fitting a modern kitchen or bathroom into a period Kensington room takes care: uneven walls and floors, protected features, limited routes for waste pipes and extraction, and the floors below to protect. We plan services first, waterproof properly and finish to the standard the building deserves.

Waste and extraction routes

In listed buildings and mansion flats, the routes for soil pipes and ducts are often the deciding factor in where a bathroom can go.

Underfloor heating

Electric or wet underfloor heating can work well in bathrooms, provided the floor build-up and the room below are considered.

Rewiring and heating

Services in
older buildings.

Many Kensington flats have wiring and heating added to over decades. An EICR shows what is safe to keep. A rewire in a period building is planned so cables are chased and hidden with minimal damage to plaster and joinery, and the heating can be upgraded at the same time.

How we work in Kensington

What happens
after you call.

  1. Brief and building

    Tell us about the property, its listing or conservation status and the building's rules.

  2. Survey

    We survey and identify what is original, what can be repaired and what needs replacing.

  3. Written fixed price

    Detailed and agreed in writing before work starts.

  4. Careful management

    Common parts protected, neighbours considered, every trade managed by one contact.

Questions

Kensington questions
answered.

Do you work on listed buildings in Kensington?

Yes, within the approved consents. We tell you before quoting which parts of the work are likely to need listed building consent.

Can you refurbish a mansion flat in W8?

Yes. We work to the managing agent's requirements and the lease, and provide the documents they ask for.

Can you repair lath and plaster ceilings?

Yes. Where sound, we repair and match lath and plaster; where not, we replace with materials suited to the building.

Do you arrange skip and parking licences?

Yes. Kensington and Chelsea licences for skips, scaffolding and parking suspensions are arranged as part of the job.

Services in Kensington

Every service,
one contractor.

Coverage

Area
details.

Area
Kensington, W8 and SW7
Borough
Kensington and Chelsea
Stations
High Street Kensington, Gloucester Road and South Kensington
Nearby
Chelsea, Notting Hill, Earls Court, Knightsbridge
Send us the details

Get a written quote in Kensington

A fixed written quote, agreed before any work starts. We reply in our opening hours, Monday to Saturday 9am to 8pm and Sunday 9am to 3pm.

Quicker to talk? Call 07498 597339 or message us on WhatsApp.

Get started

Planning work in
Kensington?

Message us
Call GMAS on 07498 597339