Floor *

Floor level of room Room height Floor area in square metres

Walls *

Windows *

Outside wall typeLength of outside wall(s) in metresWindow typeArea of window(s) in square metres

Add another wall

Variations

Cooler Room
Exposed Situations
Internal Room With Fan Extraction
All window walls
Single Storey Building
Ceiling without Insulation on Top Floors and Single Storey buildings
Floor with Insulation
Velux Windows / Skylights:

Window type Area of glass in square metres

New Velux Window / Skylight

Your room requires:

 WATTS

* Required field