Frederick Head
Over 35 years experience
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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 Southend-on-sea? CONCORD BUILDERS LIMITED has been helping local clients (20 mile radius) with their extension builder...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Experienced extension builder ready to quote for your work. HIGHLAND CONSTRUCTION is the best extension builder in Southend-on-sea. No obligation f...
Joe Copperthwaite
Trusted and professional extension builder in Southend-on-sea. Experienced in all extension buildering work and keeping within budget and on quote....
Need an Extension Builder in Southend-on-sea? RAYBRIDGE TOTAL CONSTRUCTION has been helping local clients (20 mile radius) with their extension bui...
Anglian Preservation is an established and experienced local extension builder in Southend-on-sea. Please contact us for a free, no obligation quot...
SMH Property Services Ltd are here to help customers who need an Extension Builder in Southend-on-sea. We offer a competitive rate to complete all ...
Rubik Homes Ltd is an established extension buildering business in Southend-on-sea. We come highly recommended and provide competitive quotes for y...

Building a granny annexe ranges from £86,720 (JLS Building Services based in SS1) to £88,328 (City build.com based in Ss5), 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 Southend-on-sea by posting a job with HaMuch. We will send it to extension builders in Southend-on-sea who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Southend-on-Sea | £37 | £247 |
| Granny Annexe near Thundersley | £38 | £251 |
| Granny Annexe near Rayleigh | £39 | £252 |
| Granny Annexe near Canvey Island | £39 | £256 |
| Granny Annexe near Wickford | £39 | £255 |
| Granny Annexe near Basildon | £39 | £251 |
| Granny Annexe near Stanford-le-Hope | £40 | £254 |
| Granny Annexe near Billericay | £38 | £248 |
| Granny Annexe near Gillingham | £39 | £253 |
| Granny Annexe near Maldon | £36 | £244 |
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 - £17,604

Two storey extension - £88,156

Build a timber frame extension - £26,104

Build a swimming pool - £81,104

Single storey extension - £57,080

Side return extension - £42,670

Install an RSJ - £2,304

Outbuilding - £10,104

Build a Mansard loft conversion - £52,104

Loft conversion - £34,725

Build a kitchen extension - £42,104

Hip to gable loft conversion - £42,104

Granny annexe - £87,104

Garden office - £10,104

Convert a Garage - £16,104

Garage - £18,604

Build a flat roof extension - £22,104

Build a dormer loft conversion - £42,104

Concrete foundations - £6,354

Convert a bungalow loft - £29,104

Convert a basement - £38,670