Need an Extension Builder in Dartford? Tony Rutter has been helping local clients (10 mile radius) with their extension buildering jobs for many ye...
Relax... you have found a reliable extension builder in Dartford. Sevcan Construction is a friendly and reliable company based in Dartford who cons...
Kunshi Services UK Ltd is a trusted extension builder serving customers in Dartford and the surrounding area. Contact us to today to get a competit...
R Tredget & Son are here to help customers who need an Extension Builder in Dartford. We offer a competitive rate to complete all your extension bu...
Tommy House
HOUSE BUILDING SERVICES LIMITED is a trusted extension builder serving customers in Dartford and the surrounding area. Contact us to today to get a...
Need an Extension Builder in Dartford? MONOLITH CONSTRUCTION LTD has been helping local clients (10 mile radius) with their extension buildering jo...
Buildem Ltd is a trusted extension builder serving customers in Dartford and the surrounding area. Contact us to today to get a competitive quote f...
Moss Roofing & Sons is an established and experienced local extension builder in Dartford. Please contact us for a free, no obligation quote and co...
Chris Rogers
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Joe
FLEX CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Dartford. We offer a competitive rate to complete all your ex...

Concrete foundations range from the £6,314 (Moss Roofing & Sons based in RM13) to £6,866 (HOUSE BUILDING SERVICES LIMITED based in DA16) 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 | £41 | £265 |
| Concrete Foundations near Bexley | £42 | £265 |
| Concrete Foundations near South Ockendon | £42 | £264 |
| 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 | £43 | £268 |
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 - £17,767

Two storey extension - £88,401

Build a timber frame extension - £26,267

Build a swimming pool - £81,267

Single storey extension - £60,344

Side return extension - £44,506

Install an RSJ - £2,467

Outbuilding - £10,267

Build a Mansard loft conversion - £52,267

Loft conversion - £36,255

Build a kitchen extension - £42,267

Hip to gable loft conversion - £42,267

Granny annexe - £87,267

Garden office - £10,267

Convert a Garage - £16,267

Garage - £18,767

Build a flat roof extension - £22,267

Build a dormer loft conversion - £42,267

Concrete foundations - £6,517

Convert a bungalow loft - £29,267

Convert a basement - £40,506