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Select your affordable Denbigh extension builder
S ROBERTS ROOFING are here to help customers who need an Extension Builder in Denbigh. We offer a competitive rate to complete all your extension b...
Relax... you have found a reliable extension builder in Denbigh. L & J BUILDERS is a friendly and reliable company based in Denbigh who consider no...
From £9,448
Shaun Davies
We are a company with over 30 years of experience. Who pride ourselves by providing a honest reliable service

Garden offices range from the cheapest of £9,448 (S A Davies Sustainable Construction Limited based in CH7) to the dearest of £9,896 (L & J BUILDERS based in LL15), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in Denbigh by posting a job with HaMuch. We'll send it to extension builders in Denbigh.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Rhyl | £28 | £209 |
| Garden Office near Prestatyn | £29 | £213 |
| Garden Office near Flintshire | £33 | £224 |
| Garden Office near Colwyn Bay | £28 | £211 |
| Garden Office near Connah's Quay | £33 | £229 |
| Garden Office near Hawarden | £33 | £228 |
| Garden Office near Heswall | £30 | £213 |
| Garden Office near Conwy | £28 | £211 |
| Garden Office near Conway | £28 | £211 |
| Garden Office near Vale Royal | £35 | £251 |
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 - £17,100

Two storey extension - £87,400

Build a timber frame extension - £25,600

Build a swimming pool - £80,600

Single storey extension - £47,000

Side return extension - £37,000

Install an RSJ - £1,800

Outbuilding - £9,600

Build a Mansard loft conversion - £51,600

Loft conversion - £30,000

Build a kitchen extension - £41,600

Hip to gable loft conversion - £41,600

Granny annexe - £86,600

Garden office - £9,600

Convert a Garage - £15,600

Garage - £18,100

Build a flat roof extension - £21,600

Build a dormer loft conversion - £41,600

Concrete foundations - £5,850

Convert a bungalow loft - £28,600

Convert a basement - £33,000