From £16,272
Since 2001 we have been designing and crafting high quality house renovations in London and the South East..I do full renovations, I have i...
From £16,272
Experienced extension builder ready to quote for your work. Prestige Roofing Limited is the best extension builder in Charlton. No obligation free ...
From £16,128
Experienced extension builder ready to quote for your work. Storeyboard is the best extension builder in Charlton. No obligation free quotes and ma...
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...
From £16,088
Trusted and professional extension builder in Charlton. Experienced in all extension buildering work and keeping within budget and on quote. AM Bui...
From £15,920
Trusted and professional extension builder in Charlton. Experienced in all extension buildering work and keeping within budget and on quote. Trafal...
From £16,112
Need to find an Extension Builder near you for all your extension buildering work?
JobDone provides a local, trusted extension buildering s...
From £16,096
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £16,056
Nextbuild was founded by a team who are passionate about design and construction. We have an eye for detail and a desire for perfection. With almos...
From £16,520
JASPG excel in finding investment opportunities, working together with clients and partners to achieve optimal results. We project manage from star...

Garage conversions in Charlton typically range from £15,920 (Trafalgar Building Company Limited based in SE10) 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 Charlton 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 - £17,666

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