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Rafix Building
Rafal Szczepanski
Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...
New Finishes
New Finishes is a trusted extension builder serving customers in EN5 and the surrounding area. Contact us to today to get a competitive quote for e...
Homeland Building Ltd
Homeland Building Ltd is a trusted extension builder serving customers in EN5 and the surrounding area. Contact us to today to get a competitive qu...
Wittick Building Ltd
Wittick Building Ltd is a trusted extension builder serving customers in EN5 and the surrounding area. Contact us to today to get a competitive quo...
Roni Lofts Conversions Ltd
Need an Extension Builder in EN5? Roni Lofts Conversions Ltd has been helping local clients (10 mile radius) with their extension buildering jobs f...
Odp Builders
Need an Extension Builder in EN5? Odp Builders has been helping local clients (5 mile radius) with their extension buildering jobs for many years. ...
D.J Coyle & Co.Ltd
Trusted and professional extension builder in EN5. Experienced in all extension buildering work and keeping within budget and on quote. D.J Coyle &...
WOODVALLEY BUILDERS LTD
High Barnet, EN5
Need to find an Extension Builder near you for all your extension buildering work?
WOODVALLEY BUILDERS LTD provides a local, trusted extens...
A Sparky Technical Building Services
Relax... you have found a reliable extension builder in EN5. A Sparky Technical Building Services is a friendly and reliable company based in EN5 w...
Flat roof extension cost in EN5
A flat roof extension ranges from the cheapest of £21,712 (J&K Expert Building Services based in EN5) to the dearest of £22,560 (Rafix Building based in EN4), 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 EN5 by posting a job with HaMuch. We'll send it to extension builders in EN5.
- How much does a flat roof extension cost?
- Flat roof extension cost per m2
- Factors affecting the cost of flat roof extensions
- Advantages and disadvantages of flat roofs
- Which is cheaper: a flat roof or pitched roof?
- How long does a flat roof extension take?
- Do you need planning permission for a flat roof extension?
- How long does a flat roof last?
- Can you walk on a flat roof extension?
- What insulation do I need for a flat roof extension?
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Estimates for common extension builder jobs in EN5;
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 - £17,636
Two storey extension - £88,204
Build a timber frame extension - £26,136
Build a swimming pool - £81,136
Single storey extension - £57,720
Side return extension - £43,030
Install an RSJ - £2,336
Outbuilding - £10,136
Build a Mansard loft conversion - £52,136
Loft conversion - £35,025
Build a kitchen extension - £42,136
Hip to gable loft conversion - £42,136
Granny annexe - £87,136
Garden office - £10,136
Convert a Garage - £16,136
Garage - £18,636
Build a flat roof extension - £22,136
Build a dormer loft conversion - £42,136
Concrete foundations - £6,386
Convert a bungalow loft - £29,136
Convert a basement - £39,030