Templates / Building Regulations and handover
Overheating (Part O) measures check
Checklist · Each dwelling, before completion
Checks a home has the overheating measures in its approved design (simplified method or dynamic model): glazing areas, opening windows and free areas, shading, and openings usable at night.
Use it in Sitro: add it to a project and fill it on a phone, free for 14 days.
The law and guidance behind it
- Building Regulations 2010, Part O (overheating)
- Approved Document O
The questions
The dwelling
- Plot
- Route used
- Date
Checks
- Glazing sizes and g-values as the design
- Opening windows and their free areas as the design
- Shading (brise soleil, balconies, blinds) fitted as designed
- Openings meant for night use are secure and safe from falls (restrictors, guarding)
- Hot pipework insulated as designed
Sign-off
- Inspected by
- Date and time
- Signature
A template to adapt to your site, not legal advice.