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Sean Smithers
Our building services company SDS Constructions has been established for many years and have been providing customers in Dagenham and the surroundi...
Vasile Boghean
Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...
SC General Builders Ltd are here to help customers who need an Extension Builder in Epping Forest. We offer a competitive rate to complete all your...
ANGLE BUILDERS is an established and experienced local extension builder in Epping Forest. Please contact us for a free, no obligation quote and co...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Ali Alagoz
Propello is an established and experienced local extension builder in Epping Forest. Please contact us for a free, no obligation quote and competi...
Mick Singh
At Building Services Contractors we pride ourselves on an efficient and friendly service, and strive to achieve 100% customer satisfaction.
Experienced extension builder ready to quote for your work. Render is the best extension builder in Epping Forest. No obligation free quotes and ma...
Decorating Building Service are here to help customers who need an Extension Builder in Epping Forest. We offer a competitive rate to complete all ...
From £22,176
MIHAI Martolea
Member since September 2026
Fedora and sons Ltd is a trusted extension builder serving customers in Epping Forest and the surrounding area. Contact us to today to get a compet...

A flat roof extension ranges from the cheapest of £22,080 (ANGLE BUILDERS based in EN9) to the dearest of £23,584 (Propello based in E17), 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 Epping Forest by posting a job with HaMuch. We'll send it to extension builders in Epping Forest.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Epping Forest | £44 | £274 |
| Build A Flat Roof Extension near Loughton | £44 | £273 |
| Build A Flat Roof Extension near Walthamstow | £45 | £278 |
| Build A Flat Roof Extension near Redbridge | £41 | £265 |
| Build A Flat Roof Extension near Cheshunt | £48 | £285 |
| Build A Flat Roof Extension near Hoddesdon | £46 | £296 |
| Build A Flat Roof Extension near Romford | £45 | £274 |
| Build A Flat Roof Extension near Barking | £43 | £261 |
| Build A Flat Roof Extension near Plaistow | £42 | £268 |
| Build A Flat Roof Extension near Harlow | £43 | £288 |
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 - £18,018

Two storey extension - £88,776

Build a timber frame extension - £26,518

Build a swimming pool - £81,518

Single storey extension - £65,352

Side return extension - £47,323

Install an RSJ - £2,718

Outbuilding - £10,518

Build a Mansard loft conversion - £52,518

Loft conversion - £38,603

Build a kitchen extension - £42,518

Hip to gable loft conversion - £42,518

Granny annexe - £87,518

Garden office - £10,518

Convert a Garage - £16,518

Garage - £19,018

Build a flat roof extension - £22,518

Build a dormer loft conversion - £42,518

Concrete foundations - £6,768

Convert a bungalow loft - £29,518

Convert a basement - £43,323