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Need an Extension Builder in TS11? Holvey Home Improvements has been helping local clients (20 mile radius) with their extension buildering jobs fo...
Plant to Build Northern is an established and experienced local extension builder in TS11. Please contact us for a free, no obligation quote and co...
Trusted and professional extension builder in TS11. Experienced in all extension buildering work and keeping within budget and on quote. Marshall &...
From £21,920
Need to find an Extension Builder near you for all your extension buildering work?
louisjh provides a local, trusted extension buildering s...
From £22,184
Over a Decade of Property Maintenance. Military Maintenance has years of experience in the construction and development industry, our expertise ran...

A flat roof extension ranges from the cheapest of £21,440 (Marshall & Son Builders based in TS14) to the dearest of £22,184 (Military Maintenance Ltd based in ts10), 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 TS11 by posting a job with HaMuch. We'll send it to extension builders in TS11.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Redcar | £42 | £240 |
| Build A Flat Roof Extension near Redcar & Cleveland | £43 | £254 |
| Build A Flat Roof Extension near Eston | £42 | £241 |
| Build A Flat Roof Extension near Middlesbrough | £43 | £236 |
| Build A Flat Roof Extension near Billingham | £44 | £242 |
| Build A Flat Roof Extension near Hartlepool | £40 | £236 |
| Build A Flat Roof Extension near Thornaby-on-Tees | £42 | £231 |
| Build A Flat Roof Extension near Ingleby Barwick | £41 | £228 |
| Build A Flat Roof Extension near Stockton-on-Tees | £41 | £228 |
| Build A Flat Roof Extension near Peterlee | £36 | £230 |
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 - £17,391

Two storey extension - £87,837

Build a timber frame extension - £25,891

Build a swimming pool - £80,891

Single storey extension - £52,824

Side return extension - £40,276

Install an RSJ - £2,091

Outbuilding - £9,891

Build a Mansard loft conversion - £51,891

Loft conversion - £32,730

Build a kitchen extension - £41,891

Hip to gable loft conversion - £41,891

Granny annexe - £86,891

Garden office - £9,891

Convert a Garage - £15,891

Garage - £18,391

Build a flat roof extension - £21,891

Build a dormer loft conversion - £41,891

Concrete foundations - £6,141

Convert a bungalow loft - £28,891

Convert a basement - £36,276