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Swanley, BR8
Relax... you have found a reliable extension builder in BR8. UNIVERSAL CONSTRUCTION is a friendly and reliable company based in BR8 who consider no...
GM BUILDING SERVICES are here to help customers who need an Extension Builder in BR8. We offer a competitive rate to complete all your extension bu...
Hamel Patel
Swanley, BR8
Relax... you have found a reliable extension builder in BR8. Radiant Homes is a friendly and reliable company based in BR8 who consider no job as t...
From £41,896
Need an Extension Builder in BR8? Make Construction Limited has been helping local clients (10 mile radius) with their extension buildering jobs fo...
From £42,032
Kent, BR8
Trusted and professional extension builder in BR8. Experienced in all extension buildering work and keeping within budget and on quote. Reeve Renov...
From £42,416
Since 2010, we have provided clients with a wide range of specialist services. Reeve Renovations offers a bespoke service for all your residential ...

In BR8, prices for dormer loft conversions range from £41,880 (GM BUILDING SERVICES based in BR8) to £42,416 (Radiant Homes based in BR8), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in BR8. Post your job on HaMuch now and we'll put you in touch with available extension builders.
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 - £17,601

Two storey extension - £88,152

Build a timber frame extension - £26,101

Build a swimming pool - £81,101

Single storey extension - £57,027

Side return extension - £42,640

Install an RSJ - £2,301

Outbuilding - £10,101

Build a Mansard loft conversion - £52,101

Loft conversion - £34,700

Build a kitchen extension - £42,101

Hip to gable loft conversion - £42,101

Granny annexe - £87,101

Garden office - £10,101

Convert a Garage - £16,101

Garage - £18,601

Build a flat roof extension - £22,101

Build a dormer loft conversion - £42,101

Concrete foundations - £6,351

Convert a bungalow loft - £29,101

Convert a basement - £38,640