Free homeowner tools

Practical estimators for planning route, budget and programme. Use them to sense-check your project before booking a consultation or requesting a formal quote.

PD Quick Check

Answer a few questions to see whether your extension or loft is likely Permitted Development — or needs full planning.

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Extension cost estimator

Get an indicative UK cost range by project type, size and finish level — then book for a scoped quote.

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Build timeline planner

Map a realistic week-by-week programme from design through approvals, build and handover.

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