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S ROBERTS ROOFING are here to help customers who need an Extension Builder in Colwyn Bay. We offer a competitive rate to complete all your extensio...
, LL28
Relax... you have found a reliable extension builder in Colwyn Bay. UK Leisure Living Ltd is a friendly and reliable company based in Colwyn Bay wh...
Need an Extension Builder in Colwyn Bay? Chris's Roofing & Property Maintenance has been helping local clients (20 mile radius) with their extensio...
Robert Wilson
Wood floor services is a trusted extension builder serving customers in Colwyn Bay and the surrounding area. Contact us to today to get a competit...
From £28,275
John Foster
Octagon Construction Ltd is a trusted extension builder serving customers in Colwyn Bay and the surrounding area. Contact us to today to get a comp...

Comparing extension builders estimates for Loft conversion gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost of a loft conversion in Colwyn Bay by posting your job to extension builders in Colwyn Bay.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near Colwyn Bay | £28 | £211 |
| Loft Conversion near Llandudno | £28 | £211 |
| Loft Conversion near Conway | £28 | £211 |
| Loft Conversion near Conwy | £28 | £211 |
| Loft Conversion near Rhyl | £28 | £209 |
| Loft Conversion near Prestatyn | £29 | £213 |
| Loft Conversion near Flintshire | £33 | £224 |
| Loft Conversion near Heswall | £30 | £213 |
| Loft Conversion near Wirral | £31 | £219 |
| Loft Conversion near Connah's Quay | £33 | £229 |
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 - £17,116

Two storey extension - £87,424

Build a timber frame extension - £25,616

Build a swimming pool - £80,616

Single storey extension - £47,320

Side return extension - £37,180

Install an RSJ - £1,816

Outbuilding - £9,616

Build a Mansard loft conversion - £51,616

Loft conversion - £30,150

Build a kitchen extension - £41,616

Hip to gable loft conversion - £41,616

Granny annexe - £86,616

Garden office - £9,616

Convert a Garage - £15,616

Garage - £18,116

Build a flat roof extension - £21,616

Build a dormer loft conversion - £41,616

Concrete foundations - £5,866

Convert a bungalow loft - £28,616

Convert a basement - £33,180