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Robert Mitchell
Relax... you have found a reliable extension builder in Gaerwen. Property Maintenance Solutions is a friendly and reliable company based in Gaerwen...
Need an Extension Builder in Gaerwen? Hughes Construction has been helping local clients (20 mile radius) with their extension buildering jobs for ...
Andrew Mortimer
Gaerwen, LL60
Fiting of door internal/external All joinery work from new joists to fitting off skirting boards Kitchen fitting Staircase or replac...
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...
Glyndwr Roofing & Building Services are here to help customers who need an Extension Builder in Gaerwen. We offer a competitive rate to complete al...

A flat roof extension ranges from the cheapest of £21,520 (Property Maintenance Solutions based in LL74) to the dearest of £21,744 (Balmoral joinery/construction based in LL60), 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 Gaerwen by posting a job with HaMuch. We'll send it to extension builders in Gaerwen.
| 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 |
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 - £17,148

Two storey extension - £87,472

Build a timber frame extension - £25,648

Build a swimming pool - £80,648

Single storey extension - £47,960

Side return extension - £37,540

Install an RSJ - £1,848

Outbuilding - £9,648

Build a Mansard loft conversion - £51,648

Loft conversion - £30,450

Build a kitchen extension - £41,648

Hip to gable loft conversion - £41,648

Granny annexe - £86,648

Garden office - £9,648

Convert a Garage - £15,648

Garage - £18,148

Build a flat roof extension - £21,648

Build a dormer loft conversion - £41,648

Concrete foundations - £5,898

Convert a bungalow loft - £28,648

Convert a basement - £33,540