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Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
S ROBERTS ROOFING are here to help customers who need an Extension Builder in St Asaph. We offer a competitive rate to complete all your extension ...
Robert Wilson
Wood floor services is a trusted extension builder serving customers in St Asaph and the surrounding area. Contact us to today to get a competitiv...
From £80,416
John Foster
Octagon Construction Ltd is a trusted extension builder serving customers in St Asaph and the surrounding area. Contact us to today to get a compet...
From £80,448
Shaun Davies
We are a company with over 30 years of experience. Who pride ourselves by providing a honest reliable service

The cost of installing a swimming pool in St Asaph ranges from £80,416 (Octagon Construction Ltd based in LL18) to £80,872 (Brothers Construction based in LL18), but the best way to get an idea of how much you'll spend is to get actual quotes.
Post your job on HaMuch now and we'll put you in touch with extension builders in St Asaph.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Swimming Pool near Rhyl | £28 | £209 |
| Build A Swimming Pool near Prestatyn | £29 | £213 |
| Build A Swimming Pool near Colwyn Bay | £28 | £211 |
| Build A Swimming Pool near Flintshire | £33 | £224 |
| Build A Swimming Pool near Heswall | £30 | £213 |
| Build A Swimming Pool near Connah's Quay | £33 | £229 |
| Build A Swimming Pool near Llandudno | £28 | £211 |
| Build A Swimming Pool near Conway | £28 | £211 |
| Build A Swimming Pool near Conwy | £28 | £211 |
| Build A Swimming Pool 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 - £17,105

Two storey extension - £87,407

Build a timber frame extension - £25,605

Build a swimming pool - £80,605

Single storey extension - £47,096

Side return extension - £37,054

Install an RSJ - £1,805

Outbuilding - £9,605

Build a Mansard loft conversion - £51,605

Loft conversion - £30,045

Build a kitchen extension - £41,605

Hip to gable loft conversion - £41,605

Granny annexe - £86,605

Garden office - £9,605

Convert a Garage - £15,605

Garage - £18,105

Build a flat roof extension - £21,605

Build a dormer loft conversion - £41,605

Concrete foundations - £5,855

Convert a bungalow loft - £28,605

Convert a basement - £33,054