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Select your affordable SE7 extension builder
Trusted and professional extension builder in SE7. Experienced in all extension buildering work and keeping within budget and on quote. AM Builder ...
Jay Christenson
Experienced extension builder ready to quote for your work. Jmc buildets is the best extension builder in SE7. No obligation free quotes and many h...
JASPG excel in finding investment opportunities, working together with clients and partners to achieve optimal results. We project manage from star...
RLD Contractors Ltd is an established and experienced local extension builder in SE7. Please contact us for a free, no obligation quote and competi...
From £15,920
Trusted and professional extension builder in SE7. Experienced in all extension buildering work and keeping within budget and on quote. Trafalgar B...
From £16,224
TA LEE BUILDING SERVICES is an established extension buildering business in SE7. We come highly recommended and provide competitive quotes for your...
From £16,272
Ricky Fuller
Experienced extension builder ready to quote for your work. Prestige Roofing Limited is the best extension builder in SE7. No obligation free quote...
From £16,080
Dry Spell Builders are here to help customers who need an Extension Builder in SE7. We offer a competitive rate to complete all your extension buil...
From £16,128
Experienced extension builder ready to quote for your work. Storeyboard is the best extension builder in SE7. No obligation free quotes and many ha...
From £16,200
Storeyboard work on projects of all sizes from outhouses and extensions to full renovations and commercial projects.We offer a complete and bespoke...

Garage conversions in SE7 typically range from £15,616 (Jmc buildets based in SE9) to £16,520 (JASPG Construction & Design based in SE18), but the only way to get an accurate cost for your specific project is to get quotes.
Post a job with HaMuch and we'll send it to extension builders in SE7 who will be happy to help.
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 - £17,598

Two storey extension - £88,148

Build a timber frame extension - £26,098

Build a swimming pool - £81,098

Single storey extension - £56,968

Side return extension - £42,607

Install an RSJ - £2,298

Outbuilding - £10,098

Build a Mansard loft conversion - £52,098

Loft conversion - £34,673

Build a kitchen extension - £42,098

Hip to gable loft conversion - £42,098

Granny annexe - £87,098

Garden office - £10,098

Convert a Garage - £16,098

Garage - £18,598

Build a flat roof extension - £22,098

Build a dormer loft conversion - £42,098

Concrete foundations - £6,348

Convert a bungalow loft - £29,098

Convert a basement - £38,607