Two Victorian terraced houses on a London street, one painted white and one in yellow stock brick, with bay windows

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Plain-English advice for London homeowners

Extensions, conversions and building regulations explained with the rule, the source and the price in the same place. For the short reference answers, the guides are the place to start.

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Photo: Huy Phan / Pexels

Start with £150

Your fixed fee is already on this page.

Tell us the postcode and what you want to build. We confirm the fee in writing and book the survey.

01
Measured surveyWithin five working days
£150
02
Existing drawingsThe building as it stands
£200
03
Proposed drawingsYour scheme, revised until right
£250
04
Planning application packForms, statements, OS plans
£150
05
Submission and agent servicePortal submission, queries handled
£145
Total, planning application£895