From £41,880
Greater London, SW6
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £42,272
I am a MCIOB construction manager. Working in the construction and architectural industry has always been a passion of mine. Following completion o...
From £42,336
Greater London, SW6
Pascal Huser Design & Build are here to help customers who need an Extension Builder in SW6. We offer a competitive rate to complete all your exten...
From £41,912
Trusted and professional extension builder in SW6. Experienced in all extension buildering work and keeping within budget and on quote. Firfield Co...
From £42,200
Greater London, SW6
Eugene Perera is a trusted extension builder serving customers in SW6 and the surrounding area. Contact us to today to get a competitive quote for ...
From £42,336
Patricia Cox represents the fourth generation of a family commitment to the design and build of comfortable spaces for enjoyment and relaxation of ...
From £42,264
London, SW6
A to Z Design and Build ltd are here to help customers who need an Extension Builder in SW6. We offer a competitive rate to complete all your exten...
From £42,176
A to Z Design and Build ltd provides a complete Design-Build service for residential home renovations across Central and South-London. We offer a c...
From £41,936
London, SW6
GDL Property is an established extension buildering business in SW6. We come highly recommended and provide competitive quotes for your work.
From £42,352
Experienced extension builder ready to quote for your work. ELLEN MARTIN is the best extension builder in SW6. No obligation free quotes and many h...

In SW6, prices for dormer loft conversions range from £41,880 (Cue Group of Companies based in SW6) to £42,352 (ELLEN MARTIN based in SW6), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in SW6. Post your job on HaMuch now and we'll put you in touch with available extension builders.
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,666

Two storey extension - £88,250

Build a timber frame extension - £26,166

Build a swimming pool - £81,166

Single storey extension - £58,328

Side return extension - £43,372

Install an RSJ - £2,366

Outbuilding - £10,166

Build a Mansard loft conversion - £52,166

Loft conversion - £35,310

Build a kitchen extension - £42,166

Hip to gable loft conversion - £42,166

Granny annexe - £87,166

Garden office - £10,166

Convert a Garage - £16,166

Garage - £18,666

Build a flat roof extension - £22,166

Build a dormer loft conversion - £42,166

Concrete foundations - £6,416

Convert a bungalow loft - £29,166

Convert a basement - £39,372