Terminal Position
Min Distance
A
Below gutters, soil pipes or drain pipes
1000
B
From a door, window or air vent
600
C
Above ground, flat roof or balcony level
600
D
Below eaves or balconies
1000
E
From an internal or external corner
600
F
From a terminal facing the terminal
600
G
From a surface facing the terminal
600
H
Vertically from a terminal on the same wall
1500
I
Horizontally from the terminal on the same wall
600
J
Directly below an opening, air brick, window, etc.
600
K
From a vertical drain pipe or soil pipe
1000
These are minimum dimensions and are only quoted as a guideline but they will
satisfy the requirements of all UK Building regulations.
Where the flue terminal is within 1 metre of any plastic material, such material
should be shielded from the effects of the combustion products of the flue.
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