Wet room

Approved document M, Volume 1: Dwellings (2015 edition incorporating 2016 amendments), defines a ‘wet room’ as a: ‘WC or bathroom compartment with tanking and drainage laid to fall to a connected gulley capable of draining the floor area when used as a shower.’

Approved document F: Volume 1: Dwellings, 2021 edition, defines a wet room as: ‘A room used for domestic activities (such as cooking, clothes washing and bathing) that produce significant amounts of airborne moisture, e.g. a kitchen, utility room or bathroom. For the purposes of Part F of the Building Regulations, sanitary accommodation is also regarded as a wet room.’

The Home Quality Mark (HQM) defines a wet room as: '...a room used for domestic activities (such as cooking, clothes washing and bathing) which give rise to significant production of airborne moisture, e.g. a kitchen, utility room or bathroom.' NB For the purposes of HQM, drying space is also regarded as a wet room. Ref Home Quality Mark One, Technical Manual SD239, England, Scotland & Wales, published by BRE in 2018.

[edit] Related articles on Designing Buildings

• Approved Document G.
• Approved document M.
• Bathroom definition.
• Boot room.
• Earth closet.
• ECA Water Scheme.
• Installed level access shower.
• Passive water efficiency measures.
• Sanitary accommodation.
• Sanitaryware.
• Shower.
• Solid surface wash troughs.
• Types of showers.
• Water closet.
• Water consumption.