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Managing Your Builder: Communication, Expectations, and When to Push Back

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How to communicate with your builder, keep a site diary, spot warning signs early, handle disputes, and manage the relationship that determines whether your extension succeeds or fails.

Intermediate£0ongoing

Builders don't stop returning your calls because they're bad people. They stop because they're on another site, they've overpromised their diary, or they're avoiding a conversation about a problem they haven't solved yet. The frustration this causes is real. Community forums are full of homeowners at breaking point because their builder hasn't been on site for a fortnight and won't answer the phone.

But here's what those forums also show: the homeowners who come through it with a finished extension, a reasonable final bill, and their sanity intact are the ones who set up communication rules from day one, kept records, and escalated at the right moment. Not too early (which makes you the difficult client). Not too late (which lets the project drift past recovery).

This is the guide for that. Not the theory of project management. The practical, week-by-week reality of working alongside a builder for six months to a year on the most expensive thing you've done since buying the house.

This guide assumes you've signed a proper contract with a stage payment schedule, as covered in contracts and payment schedules, and verified your builder's insurance, as covered in insurance and liability. If those aren't done, stop here and do them first. Everything below depends on having a written contract and verified cover.

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