Sample flue costings & diagrams for a range of chimney heights

Flues for open fires
Flue size         Orientation
Recess
height x width
Chimney height
From finished floor level to underside of pot

1
2
3

4
5
6

7
8
9

10
11
12

13
14
15

200 round


250 square


300 round


300 square


450 round


Straight flue
Offset flue
Offset twice

Straight flue
Offset flue
Offset twice

Straight flue
Offset flue
Offset twice

Straight flue
Offset flue
Offset twice

Straight flue
Offset flue
Offset twice

500 x 550
500 x 550
500 x 550

595 x 700
595 x 700
595 x 700

585 x 800
585 x 800
585 x 800

750 x 800
750 x 800
750 x 800

960 x 1100
960 x 1100
960 x 1100

6m
6m
6m

6m
6m
6m

6m
6m
6m

6m
6m
6m

6m
6m
6m

7m
7m
7m

7m
7m
7m

7m
7m
7m

7m
7m
7m

7m
7m
7m

8m
8m
8m

8m
8m
8m

8m
8m
8m

8m
8m
8m

8m
8m
8m

9m
9m
9m

9m
9m
9m

9m
9m
9m

9m
9m
9m

9m
9m
9m

10m
10m
10m

10m
10m
10m

10m
10m
10m

10m
10m
10m

10m
10m
10m

Flues for stoves
200mm id round flue

Recess
depth

Chimney height
From finished floor level to underside of pot

16
17
18

19
20

21

In recess


Freestanding


Double sided stove

Straight flue
Offset flue
Offset flue

Straight flue
Offset flue

Straight flue

450 deep
450 deep
552 deep

No recess
No recess

550 deep

6m
6m
6m

6m
6m

6m

7m
7m
7m

7m
7m

7m

8m
8m
8m

8m
8m

8m

9m
9m
9m

9m
9m

9m

10m
10m
10m

10m
10m

10m

 

Drawings in dwg format are available upon request.
Download UK Building Regulations Part J > www.gov.uk

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