Frederick Head
Over 35 years experience
We are Gas Safe registered
We are Verified
We pride ourselves on great custom...
Darren Spencer
Need an Extension Builder in Rayleigh? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension builderi...
M&J Brickwork Ltd are a Chelmsford based Bricklaying & General Building company that operate throughout the Essex and South London...
Witton & Pearce Builders in Essex is a trusted extension builder serving customers in Rayleigh and the surrounding area. Contact us to today to get...
Billy Baverstock
Experienced extension builder ready to quote for your work. Capital Roofing Ltd is the best extension builder in Rayleigh. No obligation free quote...
Property Maintenance are here to help customers who need an Extension Builder in Rayleigh. We offer a competitive rate to complete all your extensi...
Need to find an Extension Builder near you for all your extension buildering work?
JLS Building Services provides a local, trusted extensio...
Need an Extension Builder in Rayleigh? CONCORD BUILDERS LIMITED has been helping local clients (20 mile radius) with their extension buildering job...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Building a granny annexe ranges from £86,456 (Capital Roofing Ltd based in SS13) to £87,544 (RJA Building & Maintenance Ltd based in SS11), 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 Rayleigh by posting a job with HaMuch. We will send it to extension builders in Rayleigh who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Rayleigh | £39 | £252 |
| Granny Annexe near Thundersley | £38 | £251 |
| Granny Annexe near Wickford | £39 | £255 |
| Granny Annexe near Canvey Island | £39 | £256 |
| Granny Annexe near Southend-on-Sea | £37 | £247 |
| Granny Annexe near Basildon | £39 | £251 |
| Granny Annexe near Billericay | £38 | £248 |
| Granny Annexe near Stanford-le-Hope | £40 | £254 |
| Granny Annexe near Maldon | £36 | £244 |
| Granny Annexe near Brentwood | £39 | £255 |
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 - £17,583

Two storey extension - £88,125

Build a timber frame extension - £26,083

Build a swimming pool - £81,083

Single storey extension - £56,664

Side return extension - £42,436

Install an RSJ - £2,283

Outbuilding - £10,083

Build a Mansard loft conversion - £52,083

Loft conversion - £34,530

Build a kitchen extension - £42,083

Hip to gable loft conversion - £42,083

Granny annexe - £87,083

Garden office - £10,083

Convert a Garage - £16,083

Garage - £18,583

Build a flat roof extension - £22,083

Build a dormer loft conversion - £42,083

Concrete foundations - £6,333

Convert a bungalow loft - £29,083

Convert a basement - £38,436