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Select your affordable SS2 extension builder
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Livinston & Son Ltd are here to help customers who need an Extension Builder in SS2. We offer a competitive rate to complete all your extension bui...
Anglian Preservation is an established and experienced local extension builder in SS2. Please contact us for a free, no obligation quote and compet...
Frederick Head
Over 35 years experience
We are Gas Safe registered
We are Verified
We pride ourselves on great custom...
Need to find an Extension Builder near you for all your extension buildering work?
JLS Building Services provides a local, trusted extensio...
SMH Property Services Ltd are here to help customers who need an Extension Builder in SS2. We offer a competitive rate to complete all your extensi...
Rubik Homes Ltd is an established extension buildering business in SS2. We come highly recommended and provide competitive quotes for your work.
STEVE HUGGINS BUILDING CONTRAC is an established extension buildering business in SS2. We come highly recommended and provide competitive quotes fo...
CEDAR CONSTRUCTION (UK) LTD is an established and experienced local extension builder in SS2. Please contact us for a free, no obligation quote and...
From £21,864
Need to find an Extension Builder near you for all your extension buildering work?
M&M Builders provides a local, trusted extension builder...

A flat roof extension ranges from the cheapest of £21,720 (JLS Building Services based in SS1) to the dearest of £22,128 (GAB Design based in SS9), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in SS2 by posting a job with HaMuch. We'll send it to extension builders in SS2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Southend-on-Sea | £37 | £247 |
| Build A Flat Roof Extension near Rayleigh | £39 | £252 |
| Build A Flat Roof Extension near Thundersley | £38 | £251 |
| Build A Flat Roof Extension near Canvey Island | £39 | £256 |
| Build A Flat Roof Extension near Wickford | £39 | £255 |
| Build A Flat Roof Extension near Basildon | £39 | £251 |
| Build A Flat Roof Extension near Stanford-le-Hope | £40 | £254 |
| Build A Flat Roof Extension near Billericay | £38 | £248 |
| Build A Flat Roof Extension near Maldon | £36 | £244 |
| Build A Flat Roof Extension near Gillingham | £39 | £253 |
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 - £17,436

Two storey extension - £87,904

Build a timber frame extension - £25,936

Build a swimming pool - £80,936

Single storey extension - £53,720

Side return extension - £40,780

Install an RSJ - £2,136

Outbuilding - £9,936

Build a Mansard loft conversion - £51,936

Loft conversion - £33,150

Build a kitchen extension - £41,936

Hip to gable loft conversion - £41,936

Granny annexe - £86,936

Garden office - £9,936

Convert a Garage - £15,936

Garage - £18,436

Build a flat roof extension - £21,936

Build a dormer loft conversion - £41,936

Concrete foundations - £6,186

Convert a bungalow loft - £28,936

Convert a basement - £36,780