In forceServices & Security
Approved Document Q: Security in dwellings
Resistance to unauthorised access
Requires doors and windows in new dwellings to resist physical attack, supported by security-rated products and hardware.
Also known as: AD Q, Approved Document Q, security, PAS 24
Key requirements
- Applies to new dwellings, including flats and the parts of buildings giving access to them.
- Doors, windows and hardware should resist physical attack by a burglar.
- Products are commonly certified to PAS 24 or an equivalent security standard.
- The guidance is not applied retrospectively to existing dwellings.
Performance at a glance
- Scope
- New dwellings
- Typical test
- PAS 24 or equivalent
Applies to
New dwellings in England.
The 2015 edition remains current. The November 2024 update to the GOV.UK page added frequently asked questions; it did not replace the technical guidance.
Related records
Reviewed 25 October 2026. This summary is an editorial reference, not legal advice. Check the current official text and confirm the approach with building control before relying on it. Browse all 35 records.