From £21,632
Relax... you have found a reliable extension builder in TR9. KC DESIGN AND BUILD is a friendly and reliable company based in TR9 who consider no jo...
From £21,888
HANDLEY BUILDERS is an established and experienced local extension builder in TR9. Please contact us for a free, no obligation quote and competitiv...
From £21,824
Relax... you have found a reliable extension builder in TR9. BUILDMARK BUILDERS is a friendly and reliable company based in TR9 who consider no job...
From £21,888
Elements Build SW Ltd is an established and experienced local extension builder in TR9. Please contact us for a free, no obligation quote and compe...
From £22,088
Need an Extension Builder in TR9? DAVEY CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs for m...
From £21,672
A Collins Building Contractor is a trusted extension builder serving customers in TR9 and the surrounding area. Contact us to today to get a compet...
From £21,880
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,064
Probuild was set up as a platform to service clients with High End affordable quality Construction & project Management with solid advice & accurat...
From £22,152
F & B BUILDERS is an established extension buildering business in TR9. We come highly recommended and provide competitive quotes for your work.
...
A flat roof extension ranges from the cheapest of £21,632 (KC DESIGN AND BUILD based in TR2) to the dearest of £22,152 (F & B BUILDERS based in PL27), 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 TR9 by posting a job with HaMuch. We'll send it to extension builders in TR9.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Newquay | £32 | £230 |
| Build A Flat Roof Extension near St Austell | £38 | £245 |
| Build A Flat Roof Extension near Truro | £31 | £206 |
| Build A Flat Roof Extension near Falmouth | £33 | £220 |
| Build A Flat Roof Extension near Camborne | £28 | £196 |
| Build A Flat Roof Extension near St Ives, Cornwall | £27 | £188 |
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 - £17,403

Two storey extension - £87,855

Build a timber frame extension - £25,903

Build a swimming pool - £80,903

Single storey extension - £53,064

Side return extension - £40,411

Install an RSJ - £2,103

Outbuilding - £9,903

Build a Mansard loft conversion - £51,903

Loft conversion - £32,843

Build a kitchen extension - £41,903

Hip to gable loft conversion - £41,903

Granny annexe - £86,903

Garden office - £9,903

Convert a Garage - £15,903

Garage - £18,403

Build a flat roof extension - £21,903

Build a dormer loft conversion - £41,903

Concrete foundations - £6,153

Convert a bungalow loft - £28,903

Convert a basement - £36,411