We send your job to ALL Colwyn Bay extension builders
Available extension builders in Colwyn Bay reply
Select your affordable Colwyn Bay extension builder
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 £41,416
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...

In Colwyn Bay, prices for dormer loft conversions range from £41,416 (Octagon Construction Ltd based in LL18) to £41,832 (Wood floor services based in Ll18), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in Colwyn Bay. Post your job on HaMuch now and we'll put you in touch with available extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Colwyn Bay | £28 | £211 |
| Build A Dormer Loft Conversion near Llandudno | £28 | £211 |
| Build A Dormer Loft Conversion near Conway | £28 | £211 |
| Build A Dormer Loft Conversion near Conwy | £28 | £211 |
| Build A Dormer Loft Conversion near Rhyl | £28 | £209 |
| Build A Dormer Loft Conversion near Prestatyn | £29 | £213 |
| Build A Dormer Loft Conversion near Flintshire | £33 | £224 |
| Build A Dormer Loft Conversion near Heswall | £30 | £213 |
| Build A Dormer Loft Conversion near Wirral | £31 | £219 |
| Build A Dormer 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