From £22,152
Experienced extension builder ready to quote for your work. RSG Construction is the best extension builder in GL2. No obligation free quotes and ma...
From £21,888
Front Row Construction are here to help customers who need an Extension Builder in GL2. We offer a competitive rate to complete all your extension ...
From £22,184
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,000
MID Construct is an established and experienced local extension builder in GL2. Please contact us for a free, no obligation quote and competitive ...
From £21,696
KP Building are here to help customers who need an Extension Builder in GL2. We offer a competitive rate to complete all your extension buildering ...
From £21,288
my Name is Philip I have over 20years exsperance in the building trade we give a very good and reliable service
From £21,832
Relax... you have found a reliable extension builder in GL2. M CHAPMAN BUILDER is a friendly and reliable company based in GL2 who consider no job ...
From £22,168
Need to find an Extension Builder near you for all your extension buildering work?
CB Home Improvements, Roofing & Building Solutions provi...
From £21,616
Jamie Tredgett Building Contractor are here to help customers who need an Extension Builder in GL2. We offer a competitive rate to complete all you...
From £22,224
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

A flat roof extension ranges from the cheapest of £21,288 (P J M Building Services based in GL1) to the dearest of £22,224 (G MANN BUILDERS based in GL2), 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 GL2 by posting a job with HaMuch. We'll send it to extension builders in GL2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Quedgeley | £31 | £247 |
| Build A Flat Roof Extension near Gloucester | £30 | £235 |
| Build A Flat Roof Extension near Stroud | £33 | £249 |
| Build A Flat Roof Extension near Cheltenham | £32 | £250 |
| Build A Flat Roof Extension near Great Malvern | £31 | £244 |
| Build A Flat Roof Extension near Yate | £34 | £263 |
| Build A Flat Roof Extension near Evesham | £35 | £264 |
| Build A Flat Roof Extension near Hereford | £30 | £228 |
| Build A Flat Roof Extension near Wychavon | £35 | £269 |
| Build A Flat Roof Extension near South Gloucestershire | £34 | £260 |
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 - £17,405

Two storey extension - £87,857

Build a timber frame extension - £25,905

Build a swimming pool - £80,905

Single storey extension - £53,096

Side return extension - £40,429

Install an RSJ - £2,105

Outbuilding - £9,905

Build a Mansard loft conversion - £51,905

Loft conversion - £32,858

Build a kitchen extension - £41,905

Hip to gable loft conversion - £41,905

Granny annexe - £86,905

Garden office - £9,905

Convert a Garage - £15,905

Garage - £18,405

Build a flat roof extension - £21,905

Build a dormer loft conversion - £41,905

Concrete foundations - £6,155

Convert a bungalow loft - £28,905

Convert a basement - £36,429