Find Trusted Extension Builders in London
Need house extensions, annexes, and structural builds in London? Quote2 connects you with vetted local extension builders who respond to your job directly. Post for free and compare your options.
Post a Job — It's FreeNo account needed to browse · Free for homeowners
How It Works
Post your job
Describe your extensions job in a few sentences. It takes under two minutes and costs nothing.
Receive responses
Local extension builders in London see your job and send you a message with their interest and availability.
Choose your tradesperson
Review profiles, read reviews, and pick the extension builder you feel most confident with. No pressure, no hidden fees.
Why London Homeowners Choose Quote2
Free to post
Posting a job costs nothing. Tradespeople pay a small fee to contact you — keeping the platform fair.
Verified tradespeople
Every tradesperson on Quote2 is reviewed by real homeowners. You only deal with people who have a track record.
Direct communication
Message extension builders directly through the platform — no cold calls or pushy salespeople.
Fair competition
Up to 3 extension builders can respond to each job, so you get genuine competition without being overwhelmed.
Extensions Services in London & Greater London
Quote2 covers extensions work across London and the surrounding areas of Croydon, Bromley, Ealing in Greater London. Whether you need single storey extension, double storey extension, garage conversion, or any other house extensions, annexes, and structural builds, our network of local tradespeople is ready to quote. All tradespeople on Quote2 are verified and reviewed by real homeowners, so you can hire with confidence. Job posting is completely free — tradespeople pay a small fee to access your contact details, which keeps the platform fair and spam-free.
Ready to find your extension builder in London?
Join thousands of Greater London homeowners who've used Quote2 to get great work done at fair prices.
Post Your Extensions Job Free