Interior design Space Standards



Interior design depends upon the relationship of the following three aspects:

Activity : Activity is the task that is going to be performed in the given space. Normally an interior designer is asked to design within a given space. The given space may be adequate or inadequate for the activity. If the space is inadequate, then the activity should be squeezed within the given space without affecting the efficiency of the activity. Our railway compartments, aeroplanes and ships are good examples of squeezing an activity within a given space. This is the challenge of an interior designer.

Space: The given space is always fixed. The area and dimensions cannot be changed except marginally. However narrow spaces can be made to look spacious by providing mirror walls. It is only an optical illusion and does not increase the real space. When the space is inadequate and small, minimum area should be provided for circulation or movement of the people.

Equipment: To perform any activity within a given space, some furniture is required. For example, in a dining rom, a dining table and chairs are needed. Based on the available space and number of persons to be accommodated, the size and shape of the dining table should be decided. Similarly for a bed room, the bed and wardrobe should be properly planned.

Thus for good interior design, there is a need to co-ordinate these three aspects effectively. The following space standards are useful for good interior design.

S. No.  

Item British units (inches)

    Metric units (centimeters)

1. Mens average height

68″

170

2. Womens average height

64″

160

3. Childrens average height

48″

120

4. Floor height

120″

300

5. Door height

78″

195

6. Door width

36″ to 48″

90 to 120

7. Window height

48″

120

8. Window width

24″ to 48″

60 to 120

9. Corridor width

48″ to 120″

120 to 300

10. Moving space for two persons

42″

105

11. Cooking platform height

32 ‘

80

12. Cooking platform width

24″

60

13. Maximum height for Kitchen storage

60″

150

14. Writing table height

30″

75

15. Wardrobe depth

24″

60

16. Cupboard depth

9″ to 15″

22.50 to 37.50

17. Single bed (length x width)

72″ x 36″

180 x 90

18. Staircase tread

10″ to 12″

25 to 30

19. Staircase riser

6″ to 7″

15 to 17.50

The above space standards are extremely useful for interior design. These standards are derived out of practical experience and useful for Indian conditions. However they are not rigid. Whenever there is any doubt about the provision of any space, it is useful to take the measurements of that particular activity as we perform in our daily lives.



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