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Single and double storey rear and side extensions across Fulham SW6. Victorian terraces and mansion flat blocks are the dominant property type — rear extensions and side-return infills are extremely popular.
Find a builder →Velux, dormer, hip-to-gable, and mansard loft conversions. Fulham's Victorian terraces frequently have accessible roof space ideal for a master bedroom suite with en suite bathroom.
Find a builder →Full house refurbishments and internal remodelling to premium specification. High-end finishes — bespoke joinery, bi-fold doors, polished concrete, and underfloor heating — are standard in SW6.
Find a builder →Office refurbishments and retail shopfits in and around Fulham Road, Munster Road, and the New King's Road commercial district.
Find a builder →RSJ steel beam installations, load-bearing wall removals, and underpinning. Open-plan kitchen-dining-living extensions are the most requested structural project in Fulham.
Find a builder →Basement conversions popular in high-value Fulham streets. Garden studios and garage conversions also carried out across larger SW6 properties.
Find a builder →| Job | Low estimate | High estimate |
|---|---|---|
| Single-storey extension | £25,000 | £50,000 |
| Double-storey extension | £45,000 | £90,000 |
| Loft conversion (Velux) | £20,000 | £35,000 |
| Loft conversion (dormer) | £35,000 | £65,000 |
| Full refurbishment (3-bed) | £40,000 | £100,000 |
| Kitchen extension | £30,000 | £60,000 |
| Garage conversion | £12,000 | £25,000 |
| Garden room / studio | £15,000 | £40,000 |
| Basement conversion | £40,000 | £80,000 |
| Party wall agreement | £700 | £2,000 |
| RSJ beam installation | £1,500 | £4,000 |
| New build (per m²) | £2,000 | £4,000 |
Prices are estimates for Fulham 2026. Actual costs vary by job complexity, specification, and conservation area requirements. Always get multiple quotes.
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Fulham — SW6 — is one of south-west London's most sought-after residential postcodes. The housing stock is predominantly Victorian terraces and mansion flat conversions, with pockets of Edwardian semis closer to the Thames. Demand for rear extensions, side-return infills, and loft conversions is extremely high. A well-executed rear kitchen extension creating an open-plan kitchen-dining-living space — opening out to the garden via bi-fold or sliding doors — can add £50,000–£150,000 to a Fulham property's value, making it one of the highest-return investments available to homeowners in this postcode.
Conservation areas in Fulham include Hurlingham, Eel Brook Common, Moore Park, and Crabtree. Properties within these designations are subject to stricter planning rules. Extension heights, materials, and window styles are all considerations, and Permitted Development Rights are often reduced or removed. Builders with experience of working in LBHF conservation areas are essential for these projects. If your property is a listed building or in a conservation area, always instruct an architect before approaching builders.
Basement conversions are a growing trend in Fulham's highest-value streets near the Thames — particularly in the Hurlingham area and along the riverside. These projects add below-ground living space (typically a cinema room, home gym, wine cellar, or extra bedroom) and are particularly popular where above-ground extensions are restricted by planning. They require a specialist structural engineer and experienced contractors; always verify your builder has recent, local basement conversion experience before appointing them.
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