From £6,362
MamCon is a trusted extension builder serving customers in West Sussex and the surrounding area. Contact us to today to get a competitive quote for...
From £6,402
Alexander Kitchens are here to help customers who need an Extension Builder in West Sussex. We offer a competitive rate to complete all your extens...
From £6,410
Need to find an Extension Builder near you for all your extension buildering work?
Boss Building Contractors Ltd provides a local, trusted ...
From £6,050
Trusted and professional extension builder in West Sussex. Experienced in all extension buildering work and keeping within budget and on quote. Nut...
From £6,362
Our building services company Pearl Building Ltd with over 25 years experience in the trade. During this time we have been helping customers in Lan...
From £6,242
Member since August 2026
H P Building Services Sussex is a one-stop solution for all your extension buildering needs. Establish over 10 years ago and covering 20 miles arou...
From £6,186
ACF Carpentry Ltd is an established and experienced local extension builder in West Sussex. Please contact us for a free, no obligation quote and c...
From £6,370
Experienced extension builder ready to quote for your work. SOUTHWAYS CONSTRUCTION is the best extension builder in West Sussex. No obligation free...
From £6,690
Need to find an Extension Builder near you for all your extension buildering work?
Main Construction provides a local, trusted extension bu...
From £6,234
A new extension provides many different solutions to age old problems. The list of how an extension can transform your property is long and varied....

Concrete foundations range from the £6,050 (Nutshell Construction based in BN14) to £6,690 (Main Construction based in BN12) in West Sussex.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in West Sussex by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Concrete Foundations near Worthing | £35 | £251 |
| Concrete Foundations near Lancing | £37 | £251 |
| Concrete Foundations near Shoreham-by-Sea | £36 | £250 |
| Concrete Foundations near Rustington | £36 | £246 |
| Concrete Foundations near Littlehampton | £35 | £244 |
| Concrete Foundations near Arun | £35 | £241 |
| Concrete Foundations near Brighton | £35 | £251 |
| Concrete Foundations near Brighton and Hove | £35 | £251 |
| Concrete Foundations near Bognor Regis | £35 | £247 |
| Concrete Foundations 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 - £17,581

Two storey extension - £88,121

Build a timber frame extension - £26,081

Build a swimming pool - £81,081

Single storey extension - £56,616

Side return extension - £42,409

Install an RSJ - £2,281

Outbuilding - £10,081

Build a Mansard loft conversion - £52,081

Loft conversion - £34,508

Build a kitchen extension - £42,081

Hip to gable loft conversion - £42,081

Granny annexe - £87,081

Garden office - £10,081

Convert a Garage - £16,081

Garage - £18,581

Build a flat roof extension - £22,081

Build a dormer loft conversion - £42,081

Concrete foundations - £6,331

Convert a bungalow loft - £29,081

Convert a basement - £38,409