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Torrington Design
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
Russell Square, WC1N
CK Constructions & Development Ltd is a trusted extension builder serving customers in WC1N and the surrounding area. Contact us to today to get a ...
A to Z Builders Ltd are here to help customers who need an Extension Builder in WC1N. We offer a competitive rate to complete all your extension bu...
JK Doors is a trusted extension builder serving customers in WC1N and the surrounding area. Contact us to today to get a competitive quote for exte...
JM Building Services is a trusted extension builder serving customers in WC1N and the surrounding area. Contact us to today to get a competitive qu...
Buildwiser is a trusted extension builder serving customers in WC1N and the surrounding area. Contact us to today to get a competitive quote for ex...
Anthony Sullivan
We build Lofts. We build Extensions. We undertake conversions. Our Terms and conditions apply as shown in our starter packs.
From £42,152
Plansing Ltd
Experience the best architectural design services with PLANSING, where we flawlessly integrate innovative architectural designer products to bring ...
From £42,040
TOP CONSTRUCTION is an established extension buildering business in WC1N. We come highly recommended and provide competitive quotes for your work.<...

Kitchen extensions in WC1N range from the cheapest of £41,976 (A to Z Builders Ltd based in SW1P) to the dearest of £44,064 (Q Lofts and Extensions based in EC1R), 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 WC1N.
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 - £17,806

Two storey extension - £88,460

Build a timber frame extension - £26,306

Build a swimming pool - £81,306

Single storey extension - £61,128

Side return extension - £44,947

Install an RSJ - £2,506

Outbuilding - £10,306

Build a Mansard loft conversion - £52,306

Loft conversion - £36,623

Build a kitchen extension - £42,306

Hip to gable loft conversion - £42,306

Granny annexe - £87,306

Garden office - £10,306

Convert a Garage - £16,306

Garage - £18,806

Build a flat roof extension - £22,306

Build a dormer loft conversion - £42,306

Concrete foundations - £6,556

Convert a bungalow loft - £29,306

Convert a basement - £40,947