A house extension can transform your home, adding valuable living space. Costs cover foundations, structural work, roofing, glazing, internal fit-out, and connection to existing services. In Fulham (SW6), costs reflect the area's Inner London market position, with a 5% premium over London averages.
Fulham is a popular family neighbourhood with elegant Victorian terraces, a thriving restaurant scene, and proximity to the Thames. It offers excellent value relative to neighbouring Chelsea.
| Specification | Price per sqm | Typical 25sqm Project | Includes |
|---|---|---|---|
|
Standard
Quality materials, clean design
|
£2,625 – £3,360 | £65,625 – £84,000 | All structural work, standard fixtures, full fit-out and decoration |
|
Premium
Designer brands, bespoke elements
|
£3,360 – £4,200 | £84,000 – £105,000 | Premium materials, designer fixtures, underfloor heating, smart controls |
|
Luxury
Finest materials, fully bespoke
|
£4,200 – £5,775 | £105,000 – £144,375 | Bespoke joinery, natural stone, top-tier appliances, architectural detailing |
Prices include VAT and are based on Fulham (SW6) market rates. Prices reflect Inner London market conditions and local construction costs. Actual costs depend on site-specific factors. All prices are guide estimates for 2025.
Here's what a typical 25sqm house extension project would cost in Fulham at each specification level.
Fulham has several conservation areas including Moore Park and Hurlingham. Victorian terrace conversions and extensions are popular but must respect the streetscape.
Key streets and roads in Fulham include Hurlingham Road, Parsons Green, Munster Road, Bishops Road, Broomhouse Lane. Properties in these locations often have specific architectural characteristics that influence renovation costs, including Victorian terrace party wall considerations, popular side-return extension route, clay subsoil affecting foundations, good trade access from main roads.
Every house extension is unique. Let our RIBA chartered architects provide a detailed, no-obligation estimate tailored to your property and specification.
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