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Need to find an Extension Builder near you for all your extension buildering work?
Master Builders provides a local, trusted extension buil...
Relax... you have found a reliable extension builder in Orpington. UNIVERSAL CONSTRUCTION is a friendly and reliable company based in Orpington who...
Curtis Archer
Relax... you have found a reliable extension builder in Orpington. POVERSET BUILDING COMPANY is a friendly and reliable company based in Orpington ...
R&K EVANS BUILDERS is an established extension buildering business in Orpington. We come highly recommended and provide competitive quotes for your...
MONUMENTAL CONSTRUCTION LIMITE are here to help customers who need an Extension Builder in Orpington. We offer a competitive rate to complete all y...
Need an Extension Builder in Orpington? P&k Building Ltd has been helping local clients (10 mile radius) with their extension buildering jobs for m...
Altin Kodra
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...
Need an Extension Builder in Orpington? RJC BUILDING SERVICES has been helping local clients (10 mile radius) with their extension buildering jobs ...
Ha property services is an established and experienced local extension builder in Orpington. Please contact us for a free, no obligation quote and ...

Outbuilding costs in Orpington range from the cheapest of £9,864 (RJC BUILDING SERVICES based in BR5) to the dearest of £10,528 (AL-KO Construction Ltd based in BR5), 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 Orpington by posting a job with HaMuch and we will send it to extension builders.
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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 - £17,596

Two storey extension - £88,144

Build a timber frame extension - £26,096

Build a swimming pool - £81,096

Single storey extension - £56,920

Side return extension - £42,580

Install an RSJ - £2,296

Outbuilding - £10,096

Build a Mansard loft conversion - £52,096

Loft conversion - £34,650

Build a kitchen extension - £42,096

Hip to gable loft conversion - £42,096

Granny annexe - £87,096

Garden office - £10,096

Convert a Garage - £16,096

Garage - £18,596

Build a flat roof extension - £22,096

Build a dormer loft conversion - £42,096

Concrete foundations - £6,346

Convert a bungalow loft - £29,096

Convert a basement - £38,580