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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...
Need the extension buildering job done quickly without breaking the bank? WT Construction Service Ltd offer fast, reliable, and affordable extensio...
New Finishes is a trusted extension builder serving customers in N20 and the surrounding area. Contact us to today to get a competitive quote for e...
Relax... you have found a reliable extension builder in N20. Pavillion Building Services is a friendly and reliable company based in N20 who consid...
Homeland Building Ltd is a trusted extension builder serving customers in N20 and the surrounding area. Contact us to today to get a competitive qu...
Wittick Building Ltd is a trusted extension builder serving customers in N20 and the surrounding area. Contact us to today to get a competitive quo...
Need an Extension Builder in N20? Roni Lofts Conversions Ltd has been helping local clients (10 mile radius) with their extension buildering jobs f...
Ivaylo Shkodrov
Extremely reliable service . Flexibility, correct, listening customer. Wide experience.
Relax... you have found a reliable extension builder in N20. Taylor Construction Services Ltd is a friendly and reliable company based in N20 who c...
Need to find an Extension Builder near you for all your extension buildering work?
Raf's Building Service provides a local, trusted extensi...

A timber frame extension built in N20 typically ranges from £25,320 (Onyx Iv based in N11) to £26,560 (Rafix Building based in EN4), but this will vary depending on the size of your extension, the design features you'd like and what your soil is like for the foundations.
Comparing extension builders estimates for building a timber frame extension gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build a timber frame extension in N20 by posting a job with HaMuch and we'll send it to extension builders in N20.
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 - £17,607

Two storey extension - £88,161

Build a timber frame extension - £26,107

Build a swimming pool - £81,107

Single storey extension - £57,144

Side return extension - £42,706

Install an RSJ - £2,307

Outbuilding - £10,107

Build a Mansard loft conversion - £52,107

Loft conversion - £34,755

Build a kitchen extension - £42,107

Hip to gable loft conversion - £42,107

Granny annexe - £87,107

Garden office - £10,107

Convert a Garage - £16,107

Garage - £18,607

Build a flat roof extension - £22,107

Build a dormer loft conversion - £42,107

Concrete foundations - £6,357

Convert a bungalow loft - £29,107

Convert a basement - £38,706