Part F Ventilation
Approved Document F, gives guidance on how to comply with Part F of Schedule 1 to the Building Regulations. Volume 1 relates to dwellings and Volume 2 relates to buildings other than dwellings.
You can find the most recent editions of Approved Document F together with any amendments here
Part L Conservation of fuel and power
Approved Document L gives guidance on how to comply with Part L of Schedule 1 to the Building Regulations and the energy efficiency requirements. Volume 1 relates to dwellings and Volume 2 relates to buildings other than dwellings.
You can find the most recent editions of Approved Document L together with any amendments here.
Part O Overheating
Approved Document O relates only to new residential buildings. It aims to protect the health and welfare of occupants of the building by reducing the occurrence of high indoor temperatures.
You can find the most recent edition of Approved Document O together with any amendments here.