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Home improvement contracts

  • Which? advice on how to stay in control of your project
  • How to get quotes and estimates
  • Drawing up contracts and letters of agreement
  • When to pay – and what to do if things go wrong

What's in this guide

Estimates and quotations

Find out how to price the job accurately – and persuade builders to provide quotes

Letters of agreement

Help your project run smoothly with our top tips on setting out the basics

Drawing up a contract

Boost the chances of your project running smoothly by setting the legal framework

When to pay

How to avoid disputes over payments by setting out the stages from the start

How to complain

What to do if you are not satisfied with a contractor or tradesman's work