From £37,050
Dagenham, RM10
L.C.Hills Building & Refurbishment Services is an established extension buildering business in RM10. We come highly recommended and provide competi...
From £38,220
AV Builders London Limited is a trusted extension builder serving customers in RM10 and the surrounding area. Contact us to today to get a competit...
From £38,940
Dagenham, RM10
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £38,040
RNB BUILDERS LTD is an established and experienced local extension builder in RM10. Please contact us for a free, no obligation quote and competiti...
From £50,100
Dagenham, RM10
Gusttydo Ltd with 12 years experience in Construction !
Building a good reputation for our customers!...
From £39,120
Trusted and professional extension builder in RM10. Experienced in all extension buildering work and keeping within budget and on quote. Valkon Bui...
From £39,030
Dagenham, RM10
Experienced extension builder ready to quote for your work. N & D Builders is the best extension builder in RM10. No obligation free quotes and man...
From £41,190
Need an Extension Builder in RM10? Tony Rutter has been helping local clients (10 mile radius) with their extension buildering jobs for many years....
From £41,820
london, RM10
EDMT DEVELOPMENTS LTD is a trusted extension builder serving customers in RM10 and the surrounding area. Contact us to today to get a competitive q...
From £38,670
At EDMT Developments Ltd, we have built a reputation throughout London as one of the best and most trusted teams, by offering the most comprehensiv...

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 RM10 by posting a job with HaMuch and we will send it to extension builders in RM10.
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 - £17,742

Two storey extension - £88,362

Build a timber frame extension - £26,242

Build a swimming pool - £81,242

Single storey extension - £59,832

Side return extension - £44,218

Install an RSJ - £2,442

Outbuilding - £10,242

Build a Mansard loft conversion - £52,242

Loft conversion - £36,015

Build a kitchen extension - £42,242

Hip to gable loft conversion - £42,242

Granny annexe - £87,242

Garden office - £10,242

Convert a Garage - £16,242

Garage - £18,742

Build a flat roof extension - £22,242

Build a dormer loft conversion - £42,242

Concrete foundations - £6,492

Convert a bungalow loft - £29,242

Convert a basement - £40,218