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Relax... you have found a reliable extension builder in CM1. CWN Developments Ltd is a friendly and reliable company based in CM1 who consider no j...
Ian Young
Mr. is a trusted extension builder serving customers in CM1 and the surrounding area. Contact us to today to get a competitive quote for extension ...
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 CM1. We come highly recommended and provide competitive quote...
Prestige Roofing Contractors Ltd are here to help customers who need an Extension Builder in CM1. We offer a competitive rate to complete all your ...
Storm Roofing Essex are here to help customers who need an Extension Builder in CM1. We offer a competitive rate to complete all your extension bui...
Mark Scrutton
Mark scrutton is a trusted extension builder serving customers in CM1 and the surrounding area. Contact us to today to get a competitive quote for...
From £42,128
Experienced extension builder ready to quote for your work. COLWIN CONSTRUCTION LTD is the best extension builder in CM1. No obligation free quotes...
From £42,112
Need to find an Extension Builder near you for all your extension buildering work?
S Walker Construction provides a local, trusted extensio...
From £42,008
Murrill Carpentry & Building Ltd are a well established, reliable, trustworthy, family run company with over twelve years experience.We are...

In CM1, prices for dormer loft conversions range from £41,824 (CWN Developments Ltd based in CM2) to £42,360 (Mr. based in CM1), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in CM1. Post your job on HaMuch now and we'll put you in touch with available extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Chelmsford | £38 | £258 |
| Build A Dormer Loft Conversion near Billericay | £38 | £248 |
| Build A Dormer Loft Conversion near Witham | £36 | £240 |
| Build A Dormer Loft Conversion near Wickford | £39 | £255 |
| Build A Dormer Loft Conversion near Braintree | £37 | £247 |
| Build A Dormer Loft Conversion near Brentwood | £39 | £255 |
| Build A Dormer Loft Conversion near Maldon | £36 | £244 |
| Build A Dormer Loft Conversion near Basildon | £39 | £251 |
| Build A Dormer Loft Conversion near Rayleigh | £39 | £252 |
| Build A Dormer Loft Conversion near Bishop's Stortford | £42 | £264 |
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 - £17,515

Two storey extension - £88,023

Build a timber frame extension - £26,015

Build a swimming pool - £81,015

Single storey extension - £55,304

Side return extension - £41,671

Install an RSJ - £2,215

Outbuilding - £10,015

Build a Mansard loft conversion - £52,015

Loft conversion - £33,893

Build a kitchen extension - £42,015

Hip to gable loft conversion - £42,015

Granny annexe - £87,015

Garden office - £10,015

Convert a Garage - £16,015

Garage - £18,515

Build a flat roof extension - £22,015

Build a dormer loft conversion - £42,015

Concrete foundations - £6,265

Convert a bungalow loft - £29,015

Convert a basement - £37,671