From £6,290
Ideal Loft Ladders South East (SE) Ltd is an established extension buildering business in Dartford. We come highly recommended and provide competit...
From £6,642
Dartford, DA1
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,578
AJW BUILDERS is a trusted extension builder serving customers in Dartford and the surrounding area. Contact us to today to get a competitive quote ...
From £6,570
Kent, DA1
ABAH Property Services Ltd is a trusted extension builder serving customers in Dartford and the surrounding area. Contact us to today to get a comp...
From £6,258
OAK BUILDERS is a trusted extension builder serving customers in Dartford and the surrounding area. Contact us to today to get a competitive quote ...
From £6,418
Dartford, DA1
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,466
Need to find an Extension Builder near you for all your extension buildering work?
A Tutton Building Services Limited provides a local, tru...
From £6,370
ForsBuild Construction Ltd is a trusted extension builder serving customers in Dartford and the surrounding area. Contact us to today to get a comp...
From £6,386
Building company specialising in mordenising, extending and re modelling your home.
With a 100% record for fulfilling jobs to the highes...
From £5,786
Experienced extension builder ready to quote for your work. ABC DECORATORS is the best extension builder in Dartford. No obligation free quotes and...

Concrete foundations range from the £5,786 (ABC DECORATORS based in DA8) to £6,642 (Amberly Builders based in DA1) in Dartford.
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 Dartford by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
"Concrete foundation" - DARTFORD, job posted 03/04/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Concrete Foundations near Dartford | £51 | £273 |
| Concrete Foundations near Bexley | £42 | £265 |
| Concrete Foundations near South Ockendon | £58 | £276 |
| Concrete Foundations near Grays | £41 | £261 |
| Concrete Foundations near Northfleet | £41 | £261 |
| Concrete Foundations near Chafford Hundred | £41 | £261 |
| Concrete Foundations near Thurrock | £41 | £260 |
| Concrete Foundations near Gravesend | £40 | £260 |
| Concrete Foundations near Barking | £43 | £261 |
| Concrete Foundations near Bromley | £42 | £265 |
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 - £17,626

Two storey extension - £88,190

Build a timber frame extension - £26,126

Build a swimming pool - £81,126

Single storey extension - £57,528

Side return extension - £42,922

Install an RSJ - £2,326

Outbuilding - £10,126

Build a Mansard loft conversion - £52,126

Loft conversion - £34,935

Build a kitchen extension - £42,126

Hip to gable loft conversion - £42,126

Granny annexe - £87,126

Garden office - £10,126

Convert a Garage - £16,126

Garage - £18,626

Build a flat roof extension - £22,126

Build a dormer loft conversion - £42,126

Concrete foundations - £6,376

Convert a bungalow loft - £29,126

Convert a basement - £38,922