From £59,800
M&J Brickwork Ltd are a Chelmsford based Bricklaying & General Building company that operate throughout the Essex and South London...
From £58,520
Witton & Pearce Builders in Essex is a trusted extension builder serving customers in CM9 and the surrounding area. Contact us to today to get a co...
From £44,120
Experienced extension builder ready to quote for your work. Capital Roofing Ltd is the best extension builder in CM9. No obligation free quotes and...
From £60,440
P OUGHTON BUILDING is an established and experienced local extension builder in CM9. Please contact us for a free, no obligation quote and competit...
From £58,200
Property Maintenance are here to help customers who need an Extension Builder in CM9. We offer a competitive rate to complete all your extension bu...
From £62,200
Need an Extension Builder in CM9? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension buildering jo...
From £48,600
Trusted and professional extension builder in CM9. Experienced in all extension buildering work and keeping within budget and on quote. CHAPEL BUIL...
From £55,160
Over 35 years experience
We are Gas Safe registered
We are Verified
We pride ourselves on great custom...
From £49,400
Need to find an Extension Builder near you for all your extension buildering work?
JLS Building Services provides a local, trusted extensio...
From £52,920
Relax... you have found a reliable extension builder in CM9. Mikra Services is a friendly and reliable company based in CM9 who consider no job as ...

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Maldon | £36 | £244 |
| Single Storey Extension near Witham | £36 | £240 |
| Single Storey Extension near Chelmsford | £38 | £258 |
| Single Storey Extension near Wickford | £39 | £255 |
| Single Storey Extension near Rayleigh | £39 | £252 |
| Single Storey Extension near Braintree | £37 | £247 |
| Single Storey Extension near Thundersley | £38 | £251 |
| Single Storey Extension near Colchester | £34 | £232 |
| Single Storey Extension near Southend-on-Sea | £37 | £247 |
| Single Storey Extension near Billericay | £38 | £248 |
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 - £17,497

Two storey extension - £87,995

Build a timber frame extension - £25,997

Build a swimming pool - £80,997

Single storey extension - £54,936

Side return extension - £41,464

Install an RSJ - £2,197

Outbuilding - £9,997

Build a Mansard loft conversion - £51,997

Loft conversion - £33,720

Build a kitchen extension - £41,997

Hip to gable loft conversion - £41,997

Granny annexe - £86,997

Garden office - £9,997

Convert a Garage - £15,997

Garage - £18,497

Build a flat roof extension - £21,997

Build a dormer loft conversion - £41,997

Concrete foundations - £6,247

Convert a bungalow loft - £28,997

Convert a basement - £37,464