Before appointment
Compare the price, scope, exclusions, dates and payment terms offered by each builder.
For homeowners planning an extension
Keep your extension decisions under control.
From competing quotes to the final snagging photos, Project Companion gives your extension one organised record that works on your phone.
See Project Companion · £29.99From quotation to completion
Reduce the gaps where cost and confusion grow.
During construction
Record progress, payments, decisions and agreed changes while the details are fresh.
At handover
Bring snagging items, photographs and key completion information into one record.
Important boundary
A control tool—not professional advice.
Project Companion helps you organise information. It does not replace an architect, engineer, surveyor, solicitor or advice on planning permission and Building Regulations.
- Use qualified professionals where needed
- Check permissions and approvals
- Agree changes before work proceeds
- Keep evidence of progress
Give your extension one clear home.
Immediate online access after secure payment.