The ventilation standard is all about recognising that dry air is easier to heat - and a well ventilated rental is less likely to give way to property damage.
In a nutshell
What’s a liveable space?
Bedrooms, living rooms, dining rooms, and kitchens are considered ‘liveable’. So don’t worry about the hallway!
A fix of fresh air
Each window, door or skylight needs to be able to open to the outside, and stay fixed in an open position. It’s about fresh air and ventilation.
All kitchens and bathrooms, i.e. any room in your property with a bath, shower or cooktop will need an extractor fan that’s vented to the outside.
Already a fan
If there is an extractor fan already installed, check to make sure it's in good working order.
Time it right
Installing a timer on fans or a humidity sensor can improve ventilation