From £18,548
Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in RM9. No obligation free quotes ...
From £18,548
Trusted and professional extension builder in RM9. Experienced in all extension buildering work and keeping within budget and on quote. WHITE EAGLE...
From £18,892
Need an Extension Builder in RM9? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for many yea...
From £18,660
Homeowners look no further if you want a qualified extension builder to work in your home. LCD Pixel Construction Ltd are tidy and neat, providing ...
From £18,420
Masonic Plumbing and Heating Ltd are here to help customers who need an Extension Builder in RM9. We offer a competitive rate to complete all your ...
From £18,692
Gb construction are here to help customers who need an Extension Builder in RM9. We offer a competitive rate to complete all your extension builde...
From £18,684
Experienced extension builder ready to quote for your work. CC&D BUILDING LTD is the best extension builder in RM9. No obligation free quotes and m...
From £19,060
Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...
From £18,596
Experienced extension builder ready to quote for your work. Mr is the best extension builder in RM9. No obligation free quotes and many happy custo...
From £18,484
JK Doors is a trusted extension builder serving customers in RM9 and the surrounding area. Contact us to today to get a competitive quote for exten...

Builders charge between £18,420 (Masonic Plumbing and Heating Ltd based in BR2) and £19,060 (Rafix Building based in EN4) in RM9 to build a garage, but these costs are only estimates.
Comparing extension builders estimates for building a garage gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get real quotes to build a new garage in RM9 by posting a job with HaMuch and we will send it to extension builders in RM9.
| Borough in London |
|---|
| Garage in Becontree |
| Garage in Dagenham |
| Garage in Becontree Heath |
| Garage in Barking |
| Garage in Olympic Park |
| Garage in Seven Kings |
| Garage in Chadwell Heath |
| Garage in Rainham |
| Garage in Rush Green |
| Garage in Thamesmead |
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 - £17,658

Two storey extension - £88,238

Build a timber frame extension - £26,158

Build a swimming pool - £81,158

Single storey extension - £58,168

Side return extension - £43,282

Install an RSJ - £2,358

Outbuilding - £10,158

Build a Mansard loft conversion - £52,158

Loft conversion - £35,235

Build a kitchen extension - £42,158

Hip to gable loft conversion - £42,158

Granny annexe - £87,158

Garden office - £10,158

Convert a Garage - £16,158

Garage - £18,658

Build a flat roof extension - £22,158

Build a dormer loft conversion - £42,158

Concrete foundations - £6,408

Convert a bungalow loft - £29,158

Convert a basement - £39,282