What is a simultaneous exchange and completion and when is it used?

Summary

Readers often start from this question: What is a simultaneous exchange and completion and when is it used? Use it as a checklist with your conveyancer, lender, or surveyor so documents and permissions stay aligned.

Next steps

Write follow-up questions to your solicitor or surveyor in one email with references to any PDFs you already hold.

Scope

Property Passport UK helps you organise information; it does not replace regulated advisers.

Using Property Passport UK

Start from the address on [Property Search](/search). When you own or manage the home, [claim your Property Passport](/claim/start) and upload Documents with clear dates and sources. Browse more explainers in the [Property Guides library](/guides). This article is general information, not legal, tax, mortgage, or survey advice.