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Need an Extension Builder in Darenth? RJC BUILDING SERVICES has been helping local clients (10 mile radius) with their extension buildering jobs fo...
Experienced extension builder ready to quote for your work. NA Brickwork is the best extension builder in Darenth. No obligation free quotes and ma...
Need to find an Extension Builder near you for all your extension buildering work?
Master Builders provides a local, trusted extension buil...
Relax... you have found a reliable extension builder in Darenth. UNIVERSAL CONSTRUCTION is a friendly and reliable company based in Darenth who con...
Curtis Archer
Relax... you have found a reliable extension builder in Darenth. POVERSET BUILDING COMPANY is a friendly and reliable company based in Darenth who ...
Relax... you have found a reliable extension builder in Darenth. Sevcan Construction is a friendly and reliable company based in Darenth who consid...
R Tredget & Son are here to help customers who need an Extension Builder in Darenth. We offer a competitive rate to complete all your extension bui...
Tommy House
HOUSE BUILDING SERVICES LIMITED is a trusted extension builder serving customers in Darenth and the surrounding area. Contact us to today to get a ...
Buildem Ltd is a trusted extension builder serving customers in Darenth and the surrounding area. Contact us to today to get a competitive quote fo...
Moss Roofing & Sons is an established and experienced local extension builder in Darenth. Please contact us for a free, no obligation quote and com...

A flat roof extension ranges from the cheapest of £21,864 (RJC BUILDING SERVICES based in BR5) to the dearest of £22,616 (HOUSE BUILDING SERVICES LIMITED based in DA16), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Darenth by posting a job with HaMuch. We'll send it to extension builders in Darenth.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Dartford | £41 | £265 |
| Build A Flat Roof Extension near Bexley | £42 | £265 |
| Build A Flat Roof Extension near Northfleet | £41 | £261 |
| Build A Flat Roof Extension near Grays | £41 | £261 |
| Build A Flat Roof Extension near South Ockendon | £42 | £264 |
| Build A Flat Roof Extension near Chafford Hundred | £41 | £261 |
| Build A Flat Roof Extension near Gravesend | £40 | £260 |
| Build A Flat Roof Extension near Thurrock | £41 | £260 |
| Build A Flat Roof Extension near Bromley | £43 | £268 |
| Build A Flat Roof Extension near Barking | £43 | £261 |
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 - £17,670

Two storey extension - £88,256

Build a timber frame extension - £26,170

Build a swimming pool - £81,170

Single storey extension - £58,408

Side return extension - £43,417

Install an RSJ - £2,370

Outbuilding - £10,170

Build a Mansard loft conversion - £52,170

Loft conversion - £35,348

Build a kitchen extension - £42,170

Hip to gable loft conversion - £42,170

Granny annexe - £87,170

Garden office - £10,170

Convert a Garage - £16,170

Garage - £18,670

Build a flat roof extension - £22,170

Build a dormer loft conversion - £42,170

Concrete foundations - £6,420

Convert a bungalow loft - £29,170

Convert a basement - £39,417