### Cost per square metre

## COST PER SQUARE METRE

### Building cost per square meter

COST PER SQUARE METRE - BRICK & MORTAR OR CONVENTIONAL CONSTRUCTION |

### Cost per square meter | Building Cost | Construction cost

The shape of a building has an important effect on cost. As a general rule the simpler the shape of a building, the lower will be its unit cost. Let us illustrate this as follows: This determines the cost per square meter of building

**BUILDING SHAPES**

Regular shapes in contrast, become more expensive the longer and narrower they are planned. This can be illustrated by the following examples of a square and rectangular building with the same floor area.

## Cost Per Square Meter |

**BUILDING A BUILDING B**

Example of how building cost per square meter can vary

**BUILDING A**
Area on plan = 400m²

Length of walling = 80m

Assume 3m high walling @ Currency 200.00/m²

Length of walling = 80m

Assume 3m high walling @ Currency 200.00/m²

Then cost/m² = 80 x 3 x 200 ÷ 400

= Currency 120.00/m² - cost per square meter

**BUILDING B**
Area on plan = 400m²

Length of walling = 208m

Assume 3m high walling @ Currency 200.00/m²

Length of walling = 208m

Assume 3m high walling @ Currency 200.00/m²

Then cost/m² = 208 x 3 x 200 ÷ 400

= Currency 312.00/m² - cost per square meter

= Currency 312.00/m² - cost per square meter

The length of

**Building B**thus resulted in an additional expense of Currency 76,800.00 over that of**Building A**influencing cost per square meter- Building B has a higher perimeter/floor area ratio (to be discussed in more detail later) and requires 6% more external walling to enclose the same floor area than A.
- Setting out costs will be increased by as much as 50%.
- Excavations will cost between 6% and 20% more.
- Drainage costs will increase by approximately 25% due to the extra manholes and extra length of piping needed.
- Additional costs will also result from other elements of the building such as the walling and roofing due to the work being complicated by the shape.

### SOLUTION TO MANAGE COST

## Control Cost with moladi Technology |

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