Average London extension builder hourly rate is £39

Range from the cheapest, mostly independent, £37 per hour and £231 per day (FLAVIA CONDE based in WC1N) to the dearest, normally the best, £55 per hour and £400 per day (Q Lofts and Extensions based in EC1R).

Comparing hourly and daily rates of extension builders gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.

What to do - Click 'Get quotes' and describe your job and we will send it to your local extension builders for FREE.

"Having planning permission, having structure drawing, about 40 square metres basement extension, looking for builders, want to be done ASAP."

MIN, N7

"About 35 square meters Basement extension in N7 7PL"

MIN, N7

"Could you quote for the following please: Remove existing kitchen (average size) Installation of new Howdens kitchen Installation of composite worktop inc undermount sink, drainage grooves in worktop and hob in worktop. Possibly tile splashback area"

CAROL, N16

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Rates for other London trades

Extension Builder hourly and daily rates in London
Extension Builder Hourly and Daily Rates in London (excluding VAT or callout charges)
Business nameHourly RateDaily Rate
CK Constructions & Development Ltd, , WC1N £37£236
FLAVIA CONDE, 27 Old Gloucester Street, London, Greater London, WC1N £37£231
Pacho Build Ltd, 27 Old Gloucester Street, London, Greater London, wc1n £37£231
Longland Construction, Greater London, WC1N £39£243
Otto & Mensah Build, 15 Lambs Conduit Street, London, WC1N £37£231
TipTop Joinery & Build, London, Greater London, WC1V £37£231
Citygate, London, WC1H £39£243
JM Building Services, , EC1N £37£236
House Rendering Ltd, 71-75, Shelton Street, Covent Garden, Greater London, WC2H £37£231
HouseUP, 71-75 Shelton Street, Covent Garden, London, WC2H £37£231
My Trusted Builder, London, Greater London, wc2h £37£231
ORO Projects, Greater London, WC2H £39£243
ElleHaus, Greater London, WC2H £39£243
Whitehorse Build London, Greater London, WC2H £39£243
Gil Construction Ltd, Greater London, WC2H £39£243
Matstone Projects Limited, Greater London, WC2H £39£243
Rucco Property, Greater London, WC2H £39£243
My Lady Builder, Greater London, WC2H £39£243
Buildwiser, , WC1X £37£233
NARCH Ltd, Greater London, WC1H £39£243
Q Lofts and Extensions , London , EC1R £55£400
Oxford West, London, EC1N £37£231
Andrew Penny Construction, 63-66 Hatton Garden 5th floor Suite 23, London, Greater London, EC1N £37£231
Kovacs Construction Ltd, 4th Floor, 18 St. Cross Street, London, Greater London, EC1N £37£231
Kovacs Construction Ltd, Greater London, EC1N £39£243

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