From £88,252
Our building services company MCO Building Contractors Ltd has been providing customers throughout West Sussex with professional, trustworthy build...
From £88,336
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,868
K. BRAND BUILDING LIMITED are here to help customers who need an Extension Builder in BN45. We offer a competitive rate to complete all your extens...
From £87,628
Experienced extension builder ready to quote for your work. Rock Build Ltd is the best extension builder in BN45. No obligation free quotes and man...
From £87,652
Master builder since 1960 new build and refurb all trades many photo albums to show
From £88,240
Trusted and professional extension builder in BN45. Experienced in all extension buildering work and keeping within budget and on quote. W&S BUILDI...
From £85,024
Ferguson Building Services Limited is an established and experienced local extension builder in BN45. Please contact us for a free, no obligation q...
From £87,856
Fenice Design + Build is an established and experienced local extension builder in BN45. Please contact us for a free, no obligation quote and comp...
From £87,784
Orchard Timberworks is a Brighton based Carpentry and Joinery business, located in the beautiful South Downs. We specialise in custom Carpentry and...
From £88,012
Business CategoriesBathroom Planners and Furnishers, Builders, Building Services, Cabinet Makers, Decking, Flooring Services, Home Improvem...

Costs range from £85,024 (Ferguson Building Services Limited based in BN6) to £88,336 (Hewison Jones Renovations LTD based in bn3), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to BN45.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Brighton and Hove | £35 | £251 |
| Two Storey Extension near Brighton | £35 | £251 |
| Two Storey Extension near Shoreham-by-Sea | £36 | £250 |
| Two Storey Extension near Burgess Hill | £36 | £240 |
| Two Storey Extension near Lancing | £37 | £251 |
| Two Storey Extension near Haywards Heath | £35 | £256 |
| Two Storey Extension near Worthing | £35 | £251 |
| Two Storey Extension near Mid Sussex | £35 | £261 |
| Two Storey Extension near Horsham | £38 | £265 |
| Two Storey Extension near Rustington | £36 | £246 |
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 - £17,277

Two storey extension - £87,665

Build a timber frame extension - £25,777

Build a swimming pool - £80,777

Single storey extension - £50,536

Side return extension - £38,989

Install an RSJ - £1,977

Outbuilding - £9,777

Build a Mansard loft conversion - £51,777

Loft conversion - £31,658

Build a kitchen extension - £41,777

Hip to gable loft conversion - £41,777

Granny annexe - £86,777

Garden office - £9,777

Convert a Garage - £15,777

Garage - £18,277

Build a flat roof extension - £21,777

Build a dormer loft conversion - £41,777

Concrete foundations - £6,027

Convert a bungalow loft - £28,777

Convert a basement - £34,989