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22. Part F (Domestic)

Whole-dwelling ventilation to Approved Document F volume 1 (2021): extract rates and the whole-house rate.

1. 1The dwelling

   Choose the ventilation system, then the rooms: bedrooms, living rooms, bathrooms, WCs and utility rooms, and the floor area.

   

2. 2The answer

   The whole-dwelling rate and the extract rates, as you go.

   

3. 3Full results

   Room by room, with where each figure comes from.

   GasPass shows the standard each answer comes from. Always check results against the current standard and the manufacturer's instructions.