Relax... you have found a reliable extension builder in CM2. CWN Developments Ltd is a friendly and reliable company based in CM2 who consider no j...
Ian Young
Mr. is a trusted extension builder serving customers in CM2 and the surrounding area. Contact us to today to get a competitive quote for extension ...
Relax... you have found a reliable extension builder in CM2. NEVENDON CONSTRUCTION LTD is a friendly and reliable company based in CM2 who consider...
Need to find an Extension Builder near you for all your extension buildering work?
Newman Multi Trade Services provides a local, trusted ex...
Martin Womersley Building Services is an established extension buildering business in CM2. We come highly recommended and provide competitive quote...
Prestige Roofing Contractors Ltd are here to help customers who need an Extension Builder in CM2. We offer a competitive rate to complete all your ...
Storm Roofing Essex are here to help customers who need an Extension Builder in CM2. We offer a competitive rate to complete all your extension bui...
Mark Scrutton
Mark scrutton is a trusted extension builder serving customers in CM2 and the surrounding area. Contact us to today to get a competitive quote for...
From £22,128
Experienced extension builder ready to quote for your work. COLWIN CONSTRUCTION LTD is the best extension builder in CM2. No obligation free quotes...
From £22,112
Need to find an Extension Builder near you for all your extension buildering work?
S Walker Construction provides a local, trusted extensio...

A flat roof extension ranges from the cheapest of £21,824 (CWN Developments Ltd based in CM2) to the dearest of £22,360 (Mr. based in CM1), 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 CM2 by posting a job with HaMuch. We'll send it to extension builders in CM2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Chelmsford | £38 | £258 |
| Build A Flat Roof Extension near Billericay | £38 | £248 |
| Build A Flat Roof Extension near Wickford | £39 | £255 |
| Build A Flat Roof Extension near Witham | £36 | £240 |
| Build A Flat Roof Extension near Maldon | £36 | £244 |
| Build A Flat Roof Extension near Brentwood | £39 | £255 |
| Build A Flat Roof Extension near Basildon | £39 | £251 |
| Build A Flat Roof Extension near Rayleigh | £39 | £252 |
| Build A Flat Roof Extension near Braintree | £37 | £247 |
| Build A Flat Roof Extension near Thundersley | £38 | £251 |
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 - £17,517

Two storey extension - £88,025

Build a timber frame extension - £26,017

Build a swimming pool - £81,017

Single storey extension - £55,336

Side return extension - £41,689

Install an RSJ - £2,217

Outbuilding - £10,017

Build a Mansard loft conversion - £52,017

Loft conversion - £33,908

Build a kitchen extension - £42,017

Hip to gable loft conversion - £42,017

Granny annexe - £87,017

Garden office - £10,017

Convert a Garage - £16,017

Garage - £18,517

Build a flat roof extension - £22,017

Build a dormer loft conversion - £42,017

Concrete foundations - £6,267

Convert a bungalow loft - £29,017

Convert a basement - £37,689