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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 £86,480
Nick Burnett
Trusted and professional extension builder in Newhaven. Experienced in all extension buildering work and keeping within budget and on quote. Mr hav...

Building a granny annexe ranges from £86,480 (Mr based in BN8) to £88,120 (CITY BUILDING SERVICES LIMITED based in BN2), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Newhaven by posting a job with HaMuch. We will send it to extension builders in Newhaven who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Seaford | £34 | £243 |
| Granny Annexe near Brighton and Hove | £35 | £252 |
| Granny Annexe near Brighton | £35 | £253 |
| Granny Annexe near Eastbourne | £32 | £245 |
| Granny Annexe near Hailsham | £31 | £243 |
| Granny Annexe near Burgess Hill | £36 | £256 |
| Granny Annexe near Shoreham-by-Sea | £36 | £250 |
| Granny Annexe near Wealden | £35 | £256 |
| Granny Annexe near Haywards Heath | £35 | £256 |
| Granny Annexe 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