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How to Brief a Builder: A Practical Guide

4 min read

A house under construction with scaffolding around it, typical of UK building work.

A clear brief saves time and money. Here is how to prepare for a conversation with a builder so you get a quote that actually matches what you need.

Why the brief matters

A builder can only quote accurately for what they understand. Vague briefs lead to vague quotes, which lead to arguments when the scope changes. Spending an hour writing down what you want — and what you do not want — pays for itself in avoided surprises.

What to include in your brief

Start with the room or area you want changed, what is there now, and what you want instead. Note any non-negotiables (specific tiles, a particular layout, keeping a wall). If you have measurements, include them — even rough ones help.

List the things that matter most to you: budget ceiling, deadline, disruption tolerance, whether you need to live in the property during works. Be honest about these — a good builder will work with constraints, not pretend they do not exist.

What to ask the builder

Ask for a written, fixed-price quote — not a verbal estimate. Ask what is included and what is not. Ask about Building Regulations and planning permission. Ask for a programme of works (a timeline with milestones). Ask how they handle unexpected issues when they come up.

Do not be afraid to ask for references or to see examples of previous work. A builder who is proud of their work will be happy to show you.

Red flags to watch for

A quote that is significantly cheaper than others usually means something is missing. Pressure to decide quickly, requests for large upfront payments, or unwillingness to put things in writing are all warning signs. Take your time and choose someone you trust.

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