From £37,050
Satau Construction Works Ltd is an established and experienced local extension builder in Thamesmead. Please contact us for a free, no obligation q...
From £40,560
Thamesmead Greater London, SE28
Trusted and professional extension builder in Thamesmead. Experienced in all extension buildering work and keeping within budget and on quote. GHOO...
From £36,600
Keane & Sons Paving is an established and experienced local extension builder in Thamesmead. Please contact us for a free, no obligation quote and ...
From £40,380
Thamesmead London, SE28
Relax... you have found a reliable extension builder in Thamesmead. Great britton builders is a friendly and reliable company based in Thamesmead w...
From £39,930
Experienced extension builder ready to quote for your work. Liviu Toma is the best extension builder in Thamesmead. No obligation free quotes and m...
From £46,950
S M G Building Contractors is a trusted extension builder serving customers in Thamesmead and the surrounding area. Contact us to today to get a co...
From £38,400
Dry Spell Builders are here to help customers who need an Extension Builder in Thamesmead. We offer a competitive rate to complete all your extensi...
From £40,740
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £40,290
Need to find an Extension Builder near you for all your extension buildering work?
PFM General Building Services Ltd provides a local, trus...
From £38,400
Need to find an Extension Builder near you for all your extension buildering work?
Sterling Pillar provides a local, trusted extension buil...

Comparing extension builders estimates for a Convert a basement 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 to convert a basement in Thamesmead by posting a job with HaMuch and we will send it to extension builders in Thamesmead.
"Basement conversion" - SE18, 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 - £17,716

Two storey extension - £88,324

Build a timber frame extension - £26,216

Build a swimming pool - £81,216

Single storey extension - £59,320

Side return extension - £43,930

Install an RSJ - £2,416

Outbuilding - £10,216

Build a Mansard loft conversion - £52,216

Loft conversion - £35,775

Build a kitchen extension - £42,216

Hip to gable loft conversion - £42,216

Granny annexe - £87,216

Garden office - £10,216

Convert a Garage - £16,216

Garage - £18,716

Build a flat roof extension - £22,216

Build a dormer loft conversion - £42,216

Concrete foundations - £6,466

Convert a bungalow loft - £29,216

Convert a basement - £39,930