From £37,275
D.S Builders is a trusted extension builder serving customers in Southall and the surrounding area. Contact us to today to get a competitive quote ...
From £28,500
Southall, UB1
Experienced extension builder ready to quote for your work. Kairon Construction is the best extension builder in Southall. No obligation free quote...
From £37,950
Need an Extension Builder in Southall? House Builders London has been helping local clients (10 mile radius) with their extension buildering jobs f...
From £36,225
Southall, UB1
Need an Extension Builder in Southall? S.K Singh has been helping local clients (10 mile radius) with their extension buildering jobs for many year...
From £35,250
Trusted and professional extension builder in Southall. Experienced in all extension buildering work and keeping within budget and on quote. BAL CO...
From £37,575
Southall, UB1
Need an Extension Builder in Southall? Marz Building Maintenance has been helping local clients (10 mile radius) with their extension buildering jo...
From £33,825
Relax... you have found a reliable extension builder in Southall. Randhawa Design & Build Ltd is a friendly and reliable company based in Southall ...
From £36,225
Southall, UB1
United Design & Build Ltd is an established extension buildering business in Southall. We come highly recommended and provide competitive quotes fo...
From £37,575
Relax... you have found a reliable extension builder in Southall. RAJ BUILDING CONTRACTORS LTD is a friendly and reliable company based in Southall...
From £35,250
F&S BUILDERS LTD is an established and experienced local extension builder in Southall. Please contact us for a free, no obligation quote and compe...

Comparing extension builders estimates for Loft conversion gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost of a loft conversion in Southall by posting your job to extension builders in Southall.
"Loft conversion of a two bedroom flat at the end of the set of flats, to convert loft into a one bedroom flat, with 3 windows, bath,toilet and kitchen in UB 1 1PQ" - SOUTHALL, job posted 01/01/70
"8m Dormer Loft conversion with 2 bedrooms and 2 bathrooms. Let me have your email id and I will send drawings so that you can provide us with quote" - SOUTHALL, job posted 01/01/70
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 - £17,694

Two storey extension - £88,290

Build a timber frame extension - £26,194

Build a swimming pool - £81,194

Single storey extension - £58,872

Side return extension - £43,678

Install an RSJ - £2,394

Outbuilding - £10,194

Build a Mansard loft conversion - £52,194

Loft conversion - £35,565

Build a kitchen extension - £42,194

Hip to gable loft conversion - £42,194

Granny annexe - £87,194

Garden office - £10,194

Convert a Garage - £16,194

Garage - £18,694

Build a flat roof extension - £22,194

Build a dormer loft conversion - £42,194

Concrete foundations - £6,444

Convert a bungalow loft - £29,194

Convert a basement - £39,678