Need to find an Extension Builder near you for all your extension buildering work?
S F CONSTRUCTION provides a local, trusted extension bu...
Need to find an Extension Builder near you for all your extension buildering work?
Gem Construction (Sussex) Ltd provides a local, trusted ...
From £39,480
Need to find an Extension Builder near you for all your extension buildering work?
Accurate Roofing & Building Limited provides a local, tr...
From £43,620
Stephen Angel
I have been in business for thirty eight year
I am a very good tradesmen and I am always
busy, I am a member of c...
From £35,340
Richard Dinnage
Need to find an Extension Builder near you for all your extension buildering work?
DINNAGE BUILDERS provides a local, trusted extension bui...
From £34,800
Experienced extension builder ready to quote for your work. M Hone Brickwork is the best extension builder in BN26. No obligation free quotes and m...
From £33,990
Pete Littlejohn
Family run builders with high standards of workmanship and customer service, trading standards approved.
From £35,880
Need to find an Extension Builder near you for all your extension buildering work?
BUILDERS OF SUSSEX LTD provides a local, trusted extensi...
From £38,400
Relax... you have found a reliable extension builder in BN26. Hammonds Toon Design is a friendly and reliable company based in BN26 who consider no...
From £34,620
Need to find an Extension Builder near you for all your extension buildering work?
Colbran & Wingrove Building Contractors provides a local...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in BN26 by posting a job with HaMuch and we will send it to extension builders in BN26.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Eastbourne | £32 | £245 |
| Convert A Basement near Hailsham | £31 | £243 |
| Convert A Basement near Seaford | £34 | £243 |
| Convert A Basement near Wealden | £35 | £256 |
| Convert A Basement near Bexhill-on-Sea | £31 | £243 |
| Convert A Basement near Brighton and Hove | £35 | £251 |
| Convert A Basement near Brighton | £35 | £251 |
| Convert A Basement near Hastings | £31 | £246 |
| Convert A Basement near Crowborough | £36 | £258 |
| Convert A Basement near Burgess Hill | £36 | £240 |
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 - £17,445

Two storey extension - £87,917

Build a timber frame extension - £25,945

Build a swimming pool - £80,945

Single storey extension - £53,896

Side return extension - £40,879

Install an RSJ - £2,145

Outbuilding - £9,945

Build a Mansard loft conversion - £51,945

Loft conversion - £33,233

Build a kitchen extension - £41,945

Hip to gable loft conversion - £41,945

Granny annexe - £86,945

Garden office - £9,945

Convert a Garage - £15,945

Garage - £18,445

Build a flat roof extension - £21,945

Build a dormer loft conversion - £41,945

Concrete foundations - £6,195

Convert a bungalow loft - £28,945

Convert a basement - £36,879