Design
Performance and compliance
Existing buildings
Project support
Compliance tool
A short, indicative route through energy and overheating requirements for building work in England.
England · Indicative assessment
Choose the description that best defines the main project.
Mixed-use projects may need separate assessments for different parts.
Select every known part of the building work.
Select every known client, planning, occupation or certification trigger.
The application date and regulatory route determine which edition and transition provisions apply.
Generally at least 18 m or 7 storeys, with relevant residential use, a hospital or a care home.
Indicative route generated
Source register
Primary guidance checked 23 July 2026. Project dates, transitional arrangements and building-control interpretation must still be confirmed.
MEPX / Project enquiry
Stage 1 of 5 · Project type
Project · type
Choose the closest route. You can refine the brief later.
Project · building use
This sets the early compliance and system basis.
Required support
Select every service that may be needed. If the scope is unclear, choose “Not sure” and we will advise. Energy compliance is confirmed next.
Compliance · checks
Answer the checks shown for this project. We use them to identify the likely assessment route on the next screen.
Compliance · route
Review the indicative route, then confirm whether MEPX should include the energy assessment in its scope.
Contact and project information
Add the essentials so we can understand the project and respond. No login is required.
Review
Check each section and edit anything that needs changing. The website prepares an email draft; it does not send automatically.
Email not opened
MEPX uses these details to assess and respond to your enquiry. Read the privacy information.
Enquiry ready
Add any attachments, check the email and press Send in your email app.