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Select your affordable LL22 extension builder
S ROBERTS ROOFING are here to help customers who need an Extension Builder in LL22. We offer a competitive rate to complete all your extension buil...
Robert Wilson
Wood floor services is a trusted extension builder serving customers in LL22 and the surrounding area. Contact us to today to get a competitive qu...
From £21,416
John Foster
Octagon Construction Ltd is a trusted extension builder serving customers in LL22 and the surrounding area. Contact us to today to get a competitiv...

A flat roof extension ranges from the cheapest of £21,416 (Octagon Construction Ltd based in LL18) to the dearest of £21,832 (Wood floor services based in Ll18), 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 LL22 by posting a job with HaMuch. We'll send it to extension builders in LL22.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Colwyn Bay | £28 | £211 |
| Build A Flat Roof Extension near Rhyl | £28 | £209 |
| Build A Flat Roof Extension near Prestatyn | £29 | £213 |
| Build A Flat Roof Extension near Llandudno | £28 | £211 |
| Build A Flat Roof Extension near Conway | £28 | £211 |
| Build A Flat Roof Extension near Conwy | £28 | £211 |
| Build A Flat Roof Extension near Flintshire | £33 | £224 |
| Build A Flat Roof Extension near Heswall | £30 | £213 |
| Build A Flat Roof Extension near Connah's Quay | £33 | £229 |
| Build A Flat Roof Extension 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 - £17,068

Two storey extension - £87,352

Build a timber frame extension - £25,568

Build a swimming pool - £80,568

Single storey extension - £46,360

Side return extension - £36,640

Install an RSJ - £1,768

Outbuilding - £9,568

Build a Mansard loft conversion - £51,568

Loft conversion - £29,700

Build a kitchen extension - £41,568

Hip to gable loft conversion - £41,568

Granny annexe - £86,568

Garden office - £9,568

Convert a Garage - £15,568

Garage - £18,068

Build a flat roof extension - £21,568

Build a dormer loft conversion - £41,568

Concrete foundations - £5,818

Convert a bungalow loft - £28,568

Convert a basement - £32,640