From £21,528
Experienced extension builder ready to quote for your work. KIETH GRAY ROOFING & BUILDING is the best extension builder in Redcar & Cleveland. No o...
From £21,808
Trusted and professional extension builder in Redcar & Cleveland. Experienced in all extension buildering work and keeping within budget and on quo...
From £21,832
LJP Roofing are here to help customers who need an Extension Builder in Redcar & Cleveland. We offer a competitive rate to complete all your extens...
From £21,744
Trusted and professional extension builder in Redcar & Cleveland. Experienced in all extension buildering work and keeping within budget and on quo...
From £21,880
Relax... you have found a reliable extension builder in Redcar & Cleveland. Under Pressure is a friendly and reliable company based in Redcar & Cle...
From £21,760
Trusted and professional extension builder in Redcar & Cleveland. Experienced in all extension buildering work and keeping within budget and on quo...
From £22,128
Need an Extension Builder in Redcar & Cleveland? Holvey Home Improvements has been helping local clients (20 mile radius) with their extension buil...
From £21,784
Plant to Build Northern is an established and experienced local extension builder in Redcar & Cleveland. Please contact us for a free, no obligatio...
From £21,896
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,440
Trusted and professional extension builder in Redcar & Cleveland. Experienced in all extension buildering work and keeping within budget and on quo...

A flat roof extension ranges from the cheapest of £21,440 (Marshall & Son Builders based in TS14) to the dearest of £22,128 (Holvey Home Improvements based in TS12), 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 Redcar & Cleveland by posting a job with HaMuch. We'll send it to extension builders in Redcar & Cleveland.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Redcar & Cleveland | £43 | £254 |
| Build A Flat Roof Extension near Redcar | £42 | £240 |
| 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 Stockton-on-Tees | £41 | £228 |
| Build A Flat Roof Extension near Ingleby Barwick | £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 - £17,280

Two storey extension - £87,670

Build a timber frame extension - £25,780

Build a swimming pool - £80,780

Single storey extension - £50,600

Side return extension - £39,025

Install an RSJ - £1,980

Outbuilding - £9,780

Build a Mansard loft conversion - £51,780

Loft conversion - £31,688

Build a kitchen extension - £41,780

Hip to gable loft conversion - £41,780

Granny annexe - £86,780

Garden office - £9,780

Convert a Garage - £15,780

Garage - £18,280

Build a flat roof extension - £21,780

Build a dormer loft conversion - £41,780

Concrete foundations - £6,030

Convert a bungalow loft - £28,780

Convert a basement - £35,025