The Regulations

Below are links to the official requirements for vehicle self containment; this covers caravans, motorhomes, and camper vans. It is a very detailed document and can be confusing so if you need advice just give us a call or message us through our contact page.

The detail of the requirements is contained in the Regulations, made by the government in August 2023. The Vehicle inspection guidance (aimed at Vehicle Inspectors and Certification Authorities) may also be helpful in understanding the requirements contained in the Regulations.

The previously used Standards are no longer directly applicable to the self-contained vehicles regime, however, specific technical references and examples used in the Standard and Building Code can be useful in illustrating ways in which vehicles can meet the requirements contained in the Act and the Regulations.

A timeline of the transition from the old to new regulations is outlined here.


Toilet ventilation
There has been some confusion around the requirements for toilet cassettes to be vented in the new regulations. Most cassette toilets installed correctly according to the manufacturers instructions will not require separate venting systems, however toilets which do not use an external cassette access door, and have auto vents installed by the manufacturer may require a vent kit. For further details please see the guide below.