From £22,080
We thrive on a challenge, and really enjoy working with our client's to provide a high quality finished product within the budget required. Whether...
From £22,000
Experienced extension builder ready to quote for your work. Elite Building & Refurbishment Ltd is the best extension builder in ME17. No obligation...
From £22,256
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,936
Experienced extension builder ready to quote for your work. Direct Build Ltd is the best extension builder in ME17. No obligation free quotes and m...
From £22,328
JLS Contstruction is an established and experienced local extension builder in ME17. Please contact us for a free, no obligation quote and competit...
From £21,928
Total Extensions Kent is an established and experienced local extension builder in ME17. Please contact us for a free, no obligation quote and comp...
From £22,224
Relax... you have found a reliable extension builder in ME17. Timberlogbuild LTD is a friendly and reliable company based in ME17 who consider no j...
From £22,088
Need an Extension Builder in ME17? Terlecki Ltd has been helping local clients (20 mile radius) with their extension buildering jobs for many years...

A flat roof extension ranges from the cheapest of £21,928 (Total Extensions Kent based in ME17) to the dearest of £22,328 (JLS Contstruction based in ME15), 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 ME17 by posting a job with HaMuch. We'll send it to extension builders in ME17.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Maidstone | £40 | £255 |
| Build A Flat Roof Extension near Larkfield | £41 | £253 |
| Build A Flat Roof Extension near Sittingbourne | £35 | £246 |
| Build A Flat Roof Extension near Gillingham | £39 | £253 |
| Build A Flat Roof Extension near Rochester | £39 | £254 |
| Build A Flat Roof Extension near Chatham | £39 | £254 |
| Build A Flat Roof Extension near Swale | £35 | £241 |
| Build A Flat Roof Extension near Ashford | £36 | £256 |
| Build A Flat Roof Extension near Faversham | £34 | £235 |
| Build A Flat Roof Extension near Tonbridge | £38 | £254 |
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 - £17,605

Two storey extension - £88,158

Build a timber frame extension - £26,105

Build a swimming pool - £81,105

Single storey extension - £57,100

Side return extension - £42,681

Install an RSJ - £2,305

Outbuilding - £10,105

Build a Mansard loft conversion - £52,105

Loft conversion - £34,734

Build a kitchen extension - £42,105

Hip to gable loft conversion - £42,105

Granny annexe - £87,105

Garden office - £10,105

Convert a Garage - £16,105

Garage - £18,605

Build a flat roof extension - £22,105

Build a dormer loft conversion - £42,105

Concrete foundations - £6,355

Convert a bungalow loft - £29,105

Convert a basement - £38,681