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 Seaford. R N CONSTRUCTIONS is a friendly and reliable company based in Seaford who consider...
RWL BUILDING SERVICES is an established and experienced local extension builder in Seaford. Please contact us for a free, no obligation quote and c...
From £34,530
Need an Extension Builder in Seaford? M J C BUILDING SERVICES has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £32,460
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 £39,480
Seaford, BN25
Trusted and professional extension builder in Seaford. Experienced in all extension buildering work and keeping within budget and on quote. J L BUI...
From £40,740
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 £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 Seaford. No obligation free quotes an...
From £33,990
Pete Littlejohn
Family run builders with high standards of workmanship and customer service, trading standards approved.

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 Seaford by posting a job with HaMuch and we will send it to extension builders in Seaford.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Seaford | £34 | £243 |
| Convert A Basement near Eastbourne | £32 | £245 |
| Convert A Basement near Hailsham | £31 | £243 |
| Convert A Basement near Brighton and Hove | £35 | £251 |
| Convert A Basement near Brighton | £35 | £251 |
| Convert A Basement near Wealden | £35 | £256 |
| Convert A Basement near Burgess Hill | £36 | £240 |
| Convert A Basement near Shoreham-by-Sea | £36 | £250 |
| Convert A Basement near Bexhill-on-Sea | £31 | £243 |
| Convert A Basement near Haywards Heath | £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 - £17,372

Two storey extension - £87,808

Build a timber frame extension - £25,872

Build a swimming pool - £80,872

Single storey extension - £52,440

Side return extension - £40,060

Install an RSJ - £2,072

Outbuilding - £9,872

Build a Mansard loft conversion - £51,872

Loft conversion - £32,550

Build a kitchen extension - £41,872

Hip to gable loft conversion - £41,872

Granny annexe - £86,872

Garden office - £9,872

Convert a Garage - £15,872

Garage - £18,372

Build a flat roof extension - £21,872

Build a dormer loft conversion - £41,872

Concrete foundations - £6,122

Convert a bungalow loft - £28,872

Convert a basement - £36,060