From £41,960
Greater London, N8
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £42,120
We have worked with homeowners all over London and designers to produce work we think you'll love. Our past projects include both new construction ...
From £42,400
Experienced extension builder ready to quote for your work. SSS Brothers Limited is the best extension builder in N8. No obligation free quotes and...
From £42,344
Need an Extension Builder in N8? BM Lofts Limited has been helping local clients (5 mile radius) with their extension buildering jobs for many year...
From £42,256
Michael Collins Builders are experts in domestic conversions and extensions - drawing on over 25 years experience in the trade. We have built up a ...
From £41,920
Need to find an Extension Builder near you for all your extension buildering work?
OAKWOOD CONSTRUCTION UK LTD provides a local, trusted ex...
From £42,040
London Metropolitan Construction Ltd is and property refurbishment and renovation company based and operating throughout London undertaking new bui...
From £42,024
Whether it's garden design, a garden studio or home renovations - we can do it. What you show me, what you imagine, we can build. Contact us now fo...
From £42,368
Relax... you have found a reliable extension builder in N8. CM Build is a friendly and reliable company based in N8 who consider no job as too big ...
From £42,336
We make the adage ‘House is where the heart is’, a reality for the house-owners.We are an empathetic housebuilder that delivers elegance and du...

Kitchen extensions in N8 range from the cheapest of £41,920 (OAKWOOD CONSTRUCTION UK LTD based in N22) to the dearest of £42,400 (SSS Brothers Limited based in N15), but these are just estimates based on our database of hourly and daily rates from tradespeople across the country.
The best way to get an accurate price for your kitchen extension is to get actual quotes. Post your job on HaMuch now and we'll send it to extension builders in N8.
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 - £17,677

Two storey extension - £88,265

Build a timber frame extension - £26,177

Build a swimming pool - £81,177

Single storey extension - £58,536

Side return extension - £43,489

Install an RSJ - £2,377

Outbuilding - £10,177

Build a Mansard loft conversion - £52,177

Loft conversion - £35,408

Build a kitchen extension - £42,177

Hip to gable loft conversion - £42,177

Granny annexe - £87,177

Garden office - £10,177

Convert a Garage - £16,177

Garage - £18,677

Build a flat roof extension - £22,177

Build a dormer loft conversion - £42,177

Concrete foundations - £6,427

Convert a bungalow loft - £29,177

Convert a basement - £39,489