Room heating calculator
For an estimate of how much heat you need for a room, please use the guide below.
Please note the calculations returned should be taken as a guide only and are not detailed heat loss calculations.
- This guide can be used for multiple rooms, but it treats each room individually and assumes adjacent rooms are unheated
- If your room/property does not fit the description provided, or you would like a more detailed assessment please visit our heating design section
- Items with * are compulsory