From £9,648
Need an Extension Builder in St Asaph? P WALKER JOINERY & BUILDING has been helping local clients (20 mile radius) with their extension buildering ...
From £9,848
Need to find an Extension Builder near you for all your extension buildering work?
S.L.P Property Maintenance provides a local, trusted ext...
From £9,872
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £9,576
, LL28
Relax... you have found a reliable extension builder in St Asaph. UK Leisure Living Ltd is a friendly and reliable company based in St Asaph who co...
From £9,800
Need an Extension Builder in St Asaph? Chris's Roofing & Property Maintenance has been helping local clients (20 mile radius) with their extension ...
From £9,880
Danny Anderson Builder is an established extension buildering business in St Asaph. We come highly recommended and provide competitive quotes for y...
From £9,744
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £9,736
Need an Extension Builder in St Asaph? PK.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...
From £9,392
SJBuild Ltd is an established and experienced local extension builder in St Asaph. Please contact us for a free, no obligation quote and competitiv...
From £9,952
Trusted and professional extension builder in St Asaph. Experienced in all extension buildering work and keeping within budget and on quote. DW Bri...

Outbuilding costs in St Asaph range from the cheapest of £9,392 (SJBuild Ltd based in CH63) to the dearest of £9,952 (DW Brickwork based in CH46), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in St Asaph by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Rhyl | £28 | £209 |
| Outbuilding near Prestatyn | £29 | £213 |
| Outbuilding near Colwyn Bay | £28 | £211 |
| Outbuilding near Flintshire | £33 | £224 |
| Outbuilding near Heswall | £30 | £213 |
| Outbuilding near Connah's Quay | £33 | £229 |
| Outbuilding near Llandudno | £28 | £211 |
| Outbuilding near Conway | £28 | £211 |
| Outbuilding near Conwy | £28 | £211 |
| Outbuilding 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 - £17,245

Two storey extension - £87,617

Build a timber frame extension - £25,745

Build a swimming pool - £80,745

Single storey extension - £49,896

Side return extension - £38,629

Install an RSJ - £1,945

Outbuilding - £9,745

Build a Mansard loft conversion - £51,745

Loft conversion - £31,358

Build a kitchen extension - £41,745

Hip to gable loft conversion - £41,745

Granny annexe - £86,745

Garden office - £9,745

Convert a Garage - £15,745

Garage - £18,245

Build a flat roof extension - £21,745

Build a dormer loft conversion - £41,745

Concrete foundations - £5,995

Convert a bungalow loft - £28,745

Convert a basement - £34,629