22
PROVISION FOR VENTILATION
The room containing the cooker should have an air supply in accordance with BS.5540:
Part 2: 1989.
All rooms require an openable window or equivalent while some rooms require a
permanent vent in addition to the openable window.
The cooker should not be installed in a bed-sitting room, of volume less than 21 m
3
.
Where a DOMESTIC COOKER is installed in a room or internal space, that room or
internal space shall be provided with a permanent opening which communicates directly
with outside air and is sized in accordance with table below. In domestic premises the
permanent opening shall be an air vent.
If there are other fuel burning appliances in the same room, BS.5540: Part 2: 1989 should
be consulted to determine the requisite air vent requirements.
If the cooker is installed in a cellar or basement, it is advisable to provide an air vent of
effective area 100 cm
2
, irrespective of the room volume.
(
❊
)
If the room or internal space containing these appliances has a door which
opens directly to outside, no permanent opening is required.
MINIMUM PERMANENT OPENING FREE AREA FOR FLUELESS APPLIANCE
5 m
3
to 10
m
3
Openable
window or
equivalent also
required
Maximum
appliance
rated input
limit
Room volume
11 m
3
to
20 m
3
> 20 m
3
< 5 m
3
Type of appliance
Domestic oven,
hotplate, grill or any
combination thereof.
None
50 (
❊
)
cm
2
Nil
cm
2
Nil
cm
2
100
cm
2
Yes