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Need an Extension Builder in Llanfairfechan? Hughes Construction has been helping local clients (20 mile radius) with their extension buildering jo...
Need an Extension Builder in Llanfairfechan? Chris's Roofing & Property Maintenance has been helping local clients (20 mile radius) with their exte...
Paul Williams
Need to find an Extension Builder near you for all your extension buildering work?
W F CLAYTON & CO LTD provides a local, trusted extension...

A flat roof extension ranges from the cheapest of £21,720 (Hughes Construction based in LL57) 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 Llanfairfechan by posting a job with HaMuch. We'll send it to extension builders in Llanfairfechan.
| 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 Llandudno | £28 | £211 |
| Build A Flat Roof Extension near Colwyn Bay | £28 | £211 |
| Build A Flat Roof Extension near Rhyl | £28 | £209 |
| Build A Flat Roof Extension near Prestatyn | £29 | £213 |
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 - £17,249

Two storey extension - £87,624

Build a timber frame extension - £25,749

Build a swimming pool - £80,749

Single storey extension - £49,987

Side return extension - £38,680

Install an RSJ - £1,949

Outbuilding - £9,749

Build a Mansard loft conversion - £51,749

Loft conversion - £31,400

Build a kitchen extension - £41,749

Hip to gable loft conversion - £41,749

Granny annexe - £86,749

Garden office - £9,749

Convert a Garage - £15,749

Garage - £18,249

Build a flat roof extension - £21,749

Build a dormer loft conversion - £41,749

Concrete foundations - £5,999

Convert a bungalow loft - £28,749

Convert a basement - £34,680