From £18,844
Orpington, BR6
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £18,812
Trusted and professional extension builder in BR6. Experienced in all extension buildering work and keeping within budget and on quote. ORBITAL CON...
From £19,028
Our building services company AL-KO Renovations was established over 12 years ago. Since then we have been helping customers in the area by providi...
From £18,508
LBS Builders is an established and experienced local extension builder in BR6. Please contact us for a free, no obligation quote and competitive ra...
From £18,716
Relax... you have found a reliable extension builder in BR6. POVERSET BUILDING COMPANY is a friendly and reliable company based in BR6 who consider...
From £18,580
Need an Extension Builder in BR6? Cygnus Construction has been helping local clients (10 mile radius) with their extension buildering jobs for many...
From £18,596
Need an Extension Builder in BR6? P&k Building Ltd has been helping local clients (10 mile radius) with their extension buildering jobs for many ye...
From £18,396
MONUMENTAL CONSTRUCTION LIMITE are here to help customers who need an Extension Builder in BR6. We offer a competitive rate to complete all your ex...
From £18,580
Experienced extension builder ready to quote for your work. Probuilder London Ltd is the best extension builder in BR6. No obligation free quotes a...
From £18,692
Oakmore Builders Limited is a trusted extension builder serving customers in BR6 and the surrounding area. Contact us to today to get a competitive...

Builders charge between £18,396 (MONUMENTAL CONSTRUCTION LIMITE based in BR2) and £19,028 (AL-KO Construction Ltd based in BR5) in BR6 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 BR6 by posting a job with HaMuch and we will send it to extension builders in BR6.
| Borough in London |
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| Garage in Orpington |
| Garage in Petts Wood |
| Garage in Chislehurst |
| Garage in Keston |
| Garage in Sidcup |
| Garage in Swanley |
| Garage in West Wickam |
| Garage in Bromley |
| Garage in Bexley |
| Garage in Westerham |
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 - £17,675

Two storey extension - £88,263

Build a timber frame extension - £26,175

Build a swimming pool - £81,175

Single storey extension - £58,504

Side return extension - £43,471

Install an RSJ - £2,375

Outbuilding - £10,175

Build a Mansard loft conversion - £52,175

Loft conversion - £35,393

Build a kitchen extension - £42,175

Hip to gable loft conversion - £42,175

Granny annexe - £87,175

Garden office - £10,175

Convert a Garage - £16,175

Garage - £18,675

Build a flat roof extension - £22,175

Build a dormer loft conversion - £42,175

Concrete foundations - £6,425

Convert a bungalow loft - £29,175

Convert a basement - £39,471