Getting
daylight right

The ideal amount of
natural ligh
t


Natural light is essential to your wellbeing. The size, as well as the number of windows is fundamental to how your space will look and feel. Combining VELUX roof windows with vertical glazing is important as it allows daylight to enter your home from different angles. For optimal comfort, we recommend that the glazed areas represent 15-20% of the overall floor space in your room.

The size chart opposite highlights the glazed area measurements that each of our standard VELUX roof window sizes will provide.


See our full external size guide. Other glazed area measurements available on request. Please contact our customer service team on 01592 778 225 for further information.


DAYLIGHT IN YOUR HOME

Achieves 8% daylight

Achieves 12% daylight

Achieves 16% daylight

You can never have too much daylight in your home. It will always make the space lighter and brighter.

Using our recommended calculation, the above images highlight the percentage of daylight achieved in each scenario and the
effect multiple roof windows can have in a room.