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Ricky Alexander
Trusted and professional extension builder in Newhaven. Experienced in all extension buildering work and keeping within budget and on quote. RA Con...
Citadel Construction is an established extension buildering business in Newhaven. We come highly recommended and provide competitive quotes for you...
Experienced extension builder ready to quote for your work. Brighton Marina Hand Car Wash is the best extension builder in Newhaven. No obligation ...
Experienced extension builder ready to quote for your work. CITY BUILDING SERVICES LIMITED is the best extension builder in Newhaven. No obligation...
Joe Baxter
I've been plastering for 14 years now I take great pride in all my jobs I do,I'm very clean and good at my job also specializ in rendering and very...
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
Rob Webber
Trusted and professional extension builder in Newhaven. Experienced in all extension buildering work and keeping within budget and on quote. RJW CO...
Relax... you have found a reliable extension builder in Newhaven. R N CONSTRUCTIONS is a friendly and reliable company based in Newhaven who consid...
RWL BUILDING SERVICES is an established and experienced local extension builder in Newhaven. Please contact us for a free, no obligation quote and ...
From £9,480
Nick Burnett
Trusted and professional extension builder in Newhaven. Experienced in all extension buildering work and keeping within budget and on quote. Mr hav...

Garden offices range from the cheapest of £9,480 (Mr based in BN8) to the dearest of £11,120 (CITY BUILDING SERVICES LIMITED based in BN2), 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 Newhaven by posting a job with HaMuch. We'll send it to extension builders in Newhaven.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Seaford | £34 | £243 |
| Garden Office near Brighton and Hove | £35 | £252 |
| Garden Office near Brighton | £35 | £253 |
| Garden Office near Eastbourne | £32 | £245 |
| Garden Office near Hailsham | £31 | £243 |
| Garden Office near Burgess Hill | £36 | £256 |
| Garden Office near Shoreham-by-Sea | £36 | £250 |
| Garden Office near Wealden | £35 | £256 |
| Garden Office near Haywards Heath | £35 | £256 |
| Garden Office near Lancing | £36 | £249 |
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 - £17,616

Two storey extension - £88,174

Build a timber frame extension - £26,116

Build a swimming pool - £81,116

Single storey extension - £57,320

Side return extension - £42,805

Install an RSJ - £2,316

Outbuilding - £10,116

Build a Mansard loft conversion - £52,116

Loft conversion - £34,838

Build a kitchen extension - £42,116

Hip to gable loft conversion - £42,116

Granny annexe - £87,116

Garden office - £10,116

Convert a Garage - £16,116

Garage - £18,616

Build a flat roof extension - £22,116

Build a dormer loft conversion - £42,116

Concrete foundations - £6,366

Convert a bungalow loft - £29,116

Convert a basement - £38,805