Its important that the developer of a building have an idea of the various requirements of the building code if you are to design a house. The size of the rooms should be considered at the design stage so as not to have unnecessary waste of resources and materials. Most developers are carried away by room size not knowing that one doesn’t need to have a big room that is unusable.
Most room sizes according to the building code should just be adequate even if your to have minimum areas recommended. This is because a professional has taken into consideration the use of the room, location of the facilities like chimneys, beds, wash room faucets positioning, windows and doors for the rooms to be usable without wastage of space. The area to be used by a bed or door will also have been considered and the number of occupants.
When a developer is ready to design a house,examples of minimum room sizes are for kitchens seventy, a bedroom of eighty, a lounge of say two hundred square feet respectively. This sizes can be adjusted upwards according to needs of the client. Minimum size of say corridor is three feet wide, cloakroom three feet by five feet and suitable straight bathroom with only a shower and wash hand basin four feet by six feet.
In the design of house its important to think of furniture expected. A bedroom should ideally fit two beds of at least four feet wide. The width of such a bedroom should be four feet multiplied by the two beds and add one extra bed width for walking space. Doors should be placed at points where walls intersect to maximize on room space and usable area. Windows should be placed almost central to the room. Cloakrooms or bathrooms placed near bedrooms.