From £21,664
Relax... you have found a reliable extension builder in CH5. K Phillips Building & Maintenance is a friendly and reliable company based in CH5 who ...
From £21,872
Need to find an Extension Builder near you for all your extension buildering work?
A M F BUILDING SERVICES provides a local, trusted extens...
From £21,648
Need an Extension Builder in CH5? P WALKER JOINERY & BUILDING has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £21,928
Trusted and professional extension builder in CH5. Experienced in all extension buildering work and keeping within budget and on quote. K C MASSEY ...
From £21,824
P M Harris Roofing and Joinery Services is an established extension buildering business in CH5. We come highly recommended and provide competitive ...
From £22,056
AJ Solutions is an established extension buildering business in CH5. We come highly recommended and provide competitive quotes for your work.
From £21,696
G P Roofing & Building Service is a trusted extension builder serving customers in CH5 and the surrounding area. Contact us to today to get a compe...
From £21,904
Klw consultancy is an established and experienced local extension builder in CH5. Please contact us for a free, no obligation quote and competitive...
From £21,600
Need to find an Extension Builder near you for all your extension buildering work?
Zibi Home & Garden Services provides a local, trusted ex...
From £21,680
Oliver-Ricci is an established and experienced local extension builder in CH5. Please contact us for a free, no obligation quote and competitive ra...

A flat roof extension ranges from the cheapest of £21,600 (Zibi Home & Garden Services based in CH2) to the dearest of £22,056 (AJ Solutions based in CH1), 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 CH5 by posting a job with HaMuch. We'll send it to extension builders in CH5.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Connah's Quay | £33 | £229 |
| Build A Flat Roof Extension near Hawarden | £33 | £228 |
| Build A Flat Roof Extension near Vale Royal | £35 | £251 |
| Build A Flat Roof Extension near Flintshire | £33 | £224 |
| Build A Flat Roof Extension near Chester | £32 | £220 |
| Build A Flat Roof Extension near Ellesmere Port | £31 | £214 |
| Build A Flat Roof Extension near Heswall | £30 | £213 |
| Build A Flat Roof Extension near Wrexham | £34 | £263 |
| Build A Flat Roof Extension near Bebington | £31 | £222 |
| Build A Flat Roof Extension near Wrexham Maelor | £34 | £261 |
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 - £17,287

Two storey extension - £87,681

Build a timber frame extension - £25,787

Build a swimming pool - £80,787

Single storey extension - £50,744

Side return extension - £39,106

Install an RSJ - £1,987

Outbuilding - £9,787

Build a Mansard loft conversion - £51,787

Loft conversion - £31,755

Build a kitchen extension - £41,787

Hip to gable loft conversion - £41,787

Granny annexe - £86,787

Garden office - £9,787

Convert a Garage - £15,787

Garage - £18,287

Build a flat roof extension - £21,787

Build a dormer loft conversion - £41,787

Concrete foundations - £6,037

Convert a bungalow loft - £28,787

Convert a basement - £35,106