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S & K Windows are here to help customers who need an Extension Builder in Yafforth. We offer a competitive rate to complete all your extension buil...
From £21,872
Darren Collin
Hi I'm darren
I'm a fully qualified time served joiner I have been doing it for 30 years and have been self employed for 12 years ...
From £21,832
David Evans
34years in the building trade small works to extensions vast experience of older buildings including listed properties
From £21,640
Lee Construction (LDG) Ltd is a trusted extension builder serving customers in Yafforth and the surrounding area. Contact us to today to get a comp...

A flat roof extension ranges from the cheapest of £21,640 (Lee Construction (LDG) Ltd based in DL10) to the dearest of £21,872 (Darren Collin Joinery based in DL7), 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 Yafforth by posting a job with HaMuch. We'll send it to extension builders in Yafforth.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Darlington | £60 | £222 |
| Build A Flat Roof Extension near Ingleby Barwick | £41 | £228 |
| Build A Flat Roof Extension near Thornaby-on-Tees | £42 | £231 |
| Build A Flat Roof Extension near Stockton-on-Tees | £41 | £228 |
| Build A Flat Roof Extension near Middlesbrough | £43 | £236 |
| Build A Flat Roof Extension near Newton Aycliffe | £38 | £225 |
| Build A Flat Roof Extension near Billingham | £44 | £242 |
| Build A Flat Roof Extension near Eston | £42 | £241 |
| Build A Flat Roof Extension near Bishop Auckland | £38 | £248 |
| Build A Flat Roof Extension near Harrogate | £29 | £225 |
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 - £17,266

Two storey extension - £87,649

Build a timber frame extension - £25,766

Build a swimming pool - £80,766

Single storey extension - £50,320

Side return extension - £38,868

Install an RSJ - £1,966

Outbuilding - £9,766

Build a Mansard loft conversion - £51,766

Loft conversion - £31,556

Build a kitchen extension - £41,766

Hip to gable loft conversion - £41,766

Granny annexe - £86,766

Garden office - £9,766

Convert a Garage - £15,766

Garage - £18,266

Build a flat roof extension - £21,766

Build a dormer loft conversion - £41,766

Concrete foundations - £6,016

Convert a bungalow loft - £28,766

Convert a basement - £34,868