Free, no-obligation estimate
Two ways to start: design your extension and get a guide price in 60 seconds, or just send us your details and we'll be in touch. Both are free, with no obligation.
Pick your house, extension type and finish — see it drawn, get a guide build cost and your likely planning route in about 60 seconds. No email needed to see the number.
Open the Extension BuilderTell us a little about your project using the form below and we'll call you back — usually the same day — to arrange a free site visit. Or call us now on 020 3051 9430.
Send my detailsStep 1 of 4 · takes about 30 seconds
Want a guide price first? Design it in the Extension Builder — no email needed.
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