From £86,896
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 £87,240
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,824
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...
From £87,128
Martin Womersley Building Services is an established extension buildering business in CM2. We come highly recommended and provide competitive quote...
From £87,144
Durrant Construction was formed in 2012 by Luke Durrant. Luke has been in the building trade for over 15 years and has had substantial experience i...
From £86,880
ACK ENGINEERING LTD is an established and experienced local extension builder in CM2. Please contact us for a free, no obligation quote and competi...
From £87,144
Welcome to Sheek Contractors. We specialise in maintaining commercial properties for both business and private owners. Our highly skilled tradesm...
From £87,072
Need an Extension Builder in CM2? Genesis has been helping local clients (20 mile radius) with their extension buildering jobs for many years. Get ...
From £87,144
Relax... you have found a reliable extension builder in CM2. Ryan & Co Design & Build is a friendly and reliable company based in CM2 who consider ...
From £87,248
Clark Construction are here to help customers who need an Extension Builder in CM2. We offer a competitive rate to complete all your extension buil...

Building a granny annexe ranges from £86,824 (CWN Developments Ltd based in CM2) to £87,248 (Clark Construction based in CM2), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in CM2 by posting a job with HaMuch. We will send it to extension builders in CM2 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Chelmsford | £38 | £258 |
| Granny Annexe near Billericay | £38 | £248 |
| Granny Annexe near Wickford | £39 | £255 |
| Granny Annexe near Witham | £36 | £240 |
| Granny Annexe near Maldon | £36 | £244 |
| Granny Annexe near Brentwood | £39 | £256 |
| Granny Annexe near Basildon | £39 | £251 |
| Granny Annexe near Rayleigh | £39 | £252 |
| Granny Annexe near Braintree | £37 | £247 |
| Granny Annexe 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 - £17,572

Two storey extension - £88,108

Build a timber frame extension - £26,072

Build a swimming pool - £81,072

Single storey extension - £56,440

Side return extension - £42,310

Install an RSJ - £2,272

Outbuilding - £10,072

Build a Mansard loft conversion - £52,072

Loft conversion - £34,425

Build a kitchen extension - £42,072

Hip to gable loft conversion - £42,072

Granny annexe - £87,072

Garden office - £10,072

Convert a Garage - £16,072

Garage - £18,572

Build a flat roof extension - £22,072

Build a dormer loft conversion - £42,072

Concrete foundations - £6,322

Convert a bungalow loft - £29,072

Convert a basement - £38,310