From £21,608
Relax... you have found a reliable extension builder in WA6. R A C Gas is a friendly and reliable company based in WA6 who consider no job as too b...
From £21,808
Relax... you have found a reliable extension builder in WA6. Webby is a friendly and reliable company based in WA6 who consider no job as too big o...
From £21,784
Building from the Ground up through to fit out, new build, refurb, extension.
From £21,704
Need an Extension Builder in WA6? MIDDLETON CONSTRUCTION (NW)LTD has been helping local clients (20 mile radius) with their extension buildering jo...
From £21,784
Need to find an Extension Builder near you for all your extension buildering work?
DT ANDERSON CONSTRUCTION LTD provides a local, trusted e...
From £21,696
Relax... you have found a reliable extension builder in WA6. McCombie Construction Ltd. is a friendly and reliable company based in WA6 who conside...
From £21,584
Experienced extension builder ready to quote for your work. Matthew Hannigan Garage Doors is the best extension builder in WA6. No obligation free ...
From £21,304
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,768
A WALL BUILDING CONTRACTOR are here to help customers who need an Extension Builder in WA6. We offer a competitive rate to complete all your extens...

A flat roof extension ranges from the cheapest of £21,304 (DAVID HORTON T/A based in CH65) to the dearest of £22,064 (Bakers Building Maintenance based in WA8), 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 WA6 by posting a job with HaMuch. We'll send it to extension builders in WA6.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Runcorn | £33 | £228 |
| Build A Flat Roof Extension near Halton | £31 | £220 |
| Build A Flat Roof Extension near Widnes | £31 | £220 |
| Build A Flat Roof Extension near Ellesmere Port | £31 | £214 |
| Build A Flat Roof Extension near Chester | £32 | £220 |
| Build A Flat Roof Extension near Warrington | £31 | £222 |
| Build A Flat Roof Extension near Winsford | £31 | £232 |
| Build A Flat Roof Extension near Huyton with Roby | £31 | £225 |
| Build A Flat Roof Extension near Knowsley | £31 | £222 |
| Build A Flat Roof Extension near Prescot | £31 | £223 |
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 - £17,210

Two storey extension - £87,566

Build a timber frame extension - £25,710

Build a swimming pool - £80,710

Single storey extension - £49,208

Side return extension - £38,242

Install an RSJ - £1,910

Outbuilding - £9,710

Build a Mansard loft conversion - £51,710

Loft conversion - £31,035

Build a kitchen extension - £41,710

Hip to gable loft conversion - £41,710

Granny annexe - £86,710

Garden office - £9,710

Convert a Garage - £15,710

Garage - £18,210

Build a flat roof extension - £21,710

Build a dormer loft conversion - £41,710

Concrete foundations - £5,960

Convert a bungalow loft - £28,710

Convert a basement - £34,242