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Select your affordable Llangollen extension builder
From £22,072
DMS Building Services are here to help customers who need an Extension Builder in Llangollen. We offer a competitive rate to complete all your exte...
From £21,928
Need to find an Extension Builder near you for all your extension buildering work?
Fistral ltd provides a local, trusted extension builderi...

A flat roof extension ranges from the cheapest of £21,928 (Fistral ltd based in SY10) to the dearest of £22,072 (DMS Building Services based in LL14), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Llangollen by posting a job with HaMuch. We'll send it to extension builders in Llangollen.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Wrexham | £34 | £263 |
| Build A Flat Roof Extension near Wrexham Maelor | £34 | £261 |
| Build A Flat Roof Extension near Flintshire | £33 | £224 |
| Build A Flat Roof Extension near Vale Royal | £35 | £251 |
| Build A Flat Roof Extension near Hawarden | £33 | £228 |
| Build A Flat Roof Extension near Connah's Quay | £33 | £229 |
| Build A Flat Roof Extension near Chester | £32 | £220 |
| Build A Flat Roof Extension near Shrewsbury | £32 | £249 |
| Build A Flat Roof Extension near Ellesmere Port | £31 | £214 |
| Build A Flat Roof Extension near Heswall | £30 | £213 |
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 - £17,500

Two storey extension - £88,000

Build a timber frame extension - £26,000

Build a swimming pool - £81,000

Single storey extension - £55,000

Side return extension - £41,500

Install an RSJ - £2,200

Outbuilding - £10,000

Build a Mansard loft conversion - £52,000

Loft conversion - £33,750

Build a kitchen extension - £42,000

Hip to gable loft conversion - £42,000

Granny annexe - £87,000

Garden office - £10,000

Convert a Garage - £16,000

Garage - £18,500

Build a flat roof extension - £22,000

Build a dormer loft conversion - £42,000

Concrete foundations - £6,250

Convert a bungalow loft - £29,000

Convert a basement - £37,500