From £10,360
Romford, RM7
Experienced extension builder ready to quote for your work. CPD Limited is the best extension builder in RM7. No obligation free quotes and many ha...
From £10,080
Trusted and professional extension builder in RM7. Experienced in all extension buildering work and keeping within budget and on quote. Emona have ...
From £10,448
Romford, RM7
Lori Construction Services Limited are here to help customers who need an Extension Builder in RM7. We offer a competitive rate to complete all you...
From £10,144
J Mchayle & Sons are here to help customers who need an Extension Builder in RM7. We offer a competitive rate to complete all your extension builde...
From £10,240
Q Boss D&B is an established extension buildering business in RM7. We come highly recommended and provide competitive quotes for your work.
From £9,984
P & M Builders are here to help customers who need an Extension Builder in RM7. We offer a competitive rate to complete all your extension builderi...
From £10,080
Rush Green, RM7
S A BUILDERS & CONTRACTORS LTD is a trusted extension builder serving customers in RM7 and the surrounding area. Contact us to today to get a compe...
From £10,160
Need an Extension Builder in RM7? TopBuildUK has been helping local clients (10 mile radius) with their extension buildering jobs for many years. G...
From £11,232
Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...
From £10,384
Experienced extension builder ready to quote for your work. VM Builders is the best extension builder in RM7. No obligation free quotes and many ha...

Outbuilding costs in RM7 range from the cheapest of £9,984 (P & M Builders based in RM7) to the dearest of £11,232 (Optimus Build Solutions based in Rm1), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in RM7 by posting a job with HaMuch and we will send it to extension builders.
| Borough in London |
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| Outbuilding in Rush Green |
| Outbuilding in Romford |
| Outbuilding in Gidea Park |
| Outbuilding in Chadwell Heath |
| Outbuilding in Collier Row |
| Outbuilding in Becontree Heath |
| Outbuilding in Emerson Park |
| Outbuilding in Dagenham |
| Outbuilding in Hornchurch |
| Outbuilding in Becontree |
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 - £17,811

Two storey extension - £88,467

Build a timber frame extension - £26,311

Build a swimming pool - £81,311

Single storey extension - £61,224

Side return extension - £45,001

Install an RSJ - £2,511

Outbuilding - £10,311

Build a Mansard loft conversion - £52,311

Loft conversion - £36,668

Build a kitchen extension - £42,311

Hip to gable loft conversion - £42,311

Granny annexe - £87,311

Garden office - £10,311

Convert a Garage - £16,311

Garage - £18,811

Build a flat roof extension - £22,311

Build a dormer loft conversion - £42,311

Concrete foundations - £6,561

Convert a bungalow loft - £29,311

Convert a basement - £41,001