Citadel Construction is an established extension buildering business in BN10. We come highly recommended and provide competitive quotes for your wo...
Aaron Hale
We are a family run buisness with over 20 years experience. We undertake all aspects of building, carpentry and maintenance work including:
"Great team" - BRIGHTON,reviewed 07/08/17, STEVE
Relax... you have found a reliable extension builder in BN10. R N CONSTRUCTIONS is a friendly and reliable company based in BN10 who consider no jo...
RWL BUILDING SERVICES is an established and experienced local extension builder in BN10. Please contact us for a free, no obligation quote and comp...
From £9,736
Need an Extension Builder in BN10? M J C BUILDING SERVICES has been helping local clients (20 mile radius) with their extension buildering jobs for...
From £9,552
Kris Barker
We are a family run business, with a combined 60 plus years of carpentry and joinery experience. We cover the whole of sussex. We work to a extreme...
From £10,288
Oliver Relton
Here at Complete Property Solutions, we have a small dedicated team of professional, conscientious tradesman with the knowledge and experience to e...
From £9,912
Need an Extension Builder in BN10? LEWES BUILDERS LTD has been helping local clients (20 mile radius) with their extension buildering jobs for many...
From £9,808
South Coast Home Improvements Ltd is a trusted extension builder serving customers in BN10 and the surrounding area. Contact us to today to get a c...
From £9,912
Experienced extension builder ready to quote for your work. Brighton Refresh is the best extension builder in BN10. No obligation free quotes and m...

Garden offices range from the cheapest of £9,552 (Barker & sons based in BN10) to the dearest of £10,288 (Complete Property Solutions (Sussex) Limited based in BN9), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in BN10 by posting a job with HaMuch. We'll send it to extension builders in BN10.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Seaford | £34 | £243 |
| Garden Office near Brighton and Hove | £35 | £251 |
| Garden Office near Brighton | £35 | £251 |
| Garden Office near Eastbourne | £32 | £245 |
| Garden Office near Shoreham-by-Sea | £36 | £250 |
| Garden Office near Hailsham | £31 | £243 |
| Garden Office near Burgess Hill | £36 | £240 |
| Garden Office near Lancing | £36 | £249 |
| Garden Office near Haywards Heath | £35 | £256 |
| Garden Office near Wealden | £35 | £256 |
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 - £17,378

Two storey extension - £87,816

Build a timber frame extension - £25,878

Build a swimming pool - £80,878

Single storey extension - £52,552

Side return extension - £40,123

Install an RSJ - £2,078

Outbuilding - £9,878

Build a Mansard loft conversion - £51,878

Loft conversion - £32,603

Build a kitchen extension - £41,878

Hip to gable loft conversion - £41,878

Granny annexe - £86,878

Garden office - £9,878

Convert a Garage - £15,878

Garage - £18,378

Build a flat roof extension - £21,878

Build a dormer loft conversion - £41,878

Concrete foundations - £6,128

Convert a bungalow loft - £28,878

Convert a basement - £36,123