From £21,800
Need an Extension Builder in Betws-y-coed? Chris's Roofing & Property Maintenance has been helping local clients (20 mile radius) with their extens...
From £21,576
, LL28
Relax... you have found a reliable extension builder in Betws-y-coed. UK Leisure Living Ltd is a friendly and reliable company based in Betws-y-coe...
From £21,456
S ROBERTS ROOFING are here to help customers who need an Extension Builder in Betws-y-coed. We offer a competitive rate to complete all your extens...
From £21,728
Need to find an Extension Builder near you for all your extension buildering work?
W F CLAYTON & CO LTD provides a local, trusted extension...
From £21,720
Need an Extension Builder in Betws-y-coed? Hughes Construction has been helping local clients (20 mile radius) with their extension buildering jobs...
From £21,256
Building & Flat Roofing Contractors is a trusted extension builder serving customers in Betws-y-coed and the surrounding area. Contact us to today ...

A flat roof extension ranges from the cheapest of £21,256 (Building & Flat Roofing Contractors based in LL54) to the dearest of £21,800 (Chris's Roofing & Property Maintenance based in LL31), 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 Betws-y-coed by posting a job with HaMuch. We'll send it to extension builders in Betws-y-coed.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Conwy | £28 | £211 |
| Build A Flat Roof Extension near Conway | £28 | £211 |
| Build A Flat Roof Extension near Colwyn Bay | £28 | £211 |
| Build A Flat Roof Extension near Llandudno | £28 | £211 |
| Build A Flat Roof Extension near Rhyl | £28 | £209 |
| Build A Flat Roof Extension near Prestatyn | £29 | £213 |
| Build A Flat Roof Extension near Flintshire | £33 | £224 |
| Build A Flat Roof Extension near Heswall | £30 | £213 |
| Build A Flat Roof Extension near Wirral | £31 | £219 |
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 - £17,089

Two storey extension - £87,384

Build a timber frame extension - £25,589

Build a swimming pool - £80,589

Single storey extension - £46,787

Side return extension - £36,880

Install an RSJ - £1,789

Outbuilding - £9,589

Build a Mansard loft conversion - £51,589

Loft conversion - £29,900

Build a kitchen extension - £41,589

Hip to gable loft conversion - £41,589

Granny annexe - £86,589

Garden office - £9,589

Convert a Garage - £15,589

Garage - £18,089

Build a flat roof extension - £21,589

Build a dormer loft conversion - £41,589

Concrete foundations - £5,839

Convert a bungalow loft - £28,589

Convert a basement - £32,880