From £21,592
Atherton, M46
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,000
SBA Facilities is a family run business founded by Director, Josef who has over 25 years of experience with the corporate, commercial, and domestic...
From £21,456
APS pointing and property maintenance offers a complete building service from small patch pointing to full refurb or extensions. Competitiv...
From £22,032
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,048
HAROLDS CORP is a trusted extension builder serving customers in Atherton and the surrounding area. Contact us to today to get a competitive quote ...
From £21,816
Construction Covered is a trusted extension builder serving customers in Atherton and the surrounding area. Contact us to today to get a competitiv...
From £21,776
Relax... you have found a reliable extension builder in Atherton. David Anderson Builders is a friendly and reliable company based in Atherton who ...
From £21,736
Lostock Design & Build Limited is an established and experienced local extension builder in Atherton. Please contact us for a free, no obligation q...
From £21,688
Lostock Design & Build is an established and experienced local extension builder in Atherton. Please contact us for a free, no obligation quote and...
From £21,864
We make immersive virtual experiences that transport people to real-life architecture projects in order to imagine the future.Architecture is portr...

A flat roof extension ranges from the cheapest of £21,456 (Aps pointing and property maintenance based in WN2) to the dearest of £22,048 (HAROLDS CORP based in WN2), 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 Atherton by posting a job with HaMuch. We'll send it to extension builders in Atherton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Atherton | £31 | £223 |
| Build A Flat Roof Extension near Westhoughton | £31 | £222 |
| Build A Flat Roof Extension near Leigh | £31 | £224 |
| Build A Flat Roof Extension near Little Hulton | £30 | £220 |
| Build A Flat Roof Extension near Hindley | £30 | £218 |
| Build A Flat Roof Extension near Farnworth | £30 | £219 |
| Build A Flat Roof Extension near Bolton | £31 | £219 |
| Build A Flat Roof Extension near Horwich | £30 | £219 |
| Build A Flat Roof Extension near Golborne | £30 | £222 |
| Build A Flat Roof Extension near Wigan | £30 | £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 - £17,301

Two storey extension - £87,701

Build a timber frame extension - £25,801

Build a swimming pool - £80,801

Single storey extension - £51,016

Side return extension - £39,259

Install an RSJ - £2,001

Outbuilding - £9,801

Build a Mansard loft conversion - £51,801

Loft conversion - £31,883

Build a kitchen extension - £41,801

Hip to gable loft conversion - £41,801

Granny annexe - £86,801

Garden office - £9,801

Convert a Garage - £15,801

Garage - £18,301

Build a flat roof extension - £21,801

Build a dormer loft conversion - £41,801

Concrete foundations - £6,051

Convert a bungalow loft - £28,801

Convert a basement - £35,259