Building Cost Calculator / Indicative Guide

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Construction periods

Value $ Million Documentation Period (weeks) Construction Period (weeks) Project Period (weeks)
Simple Projects
eg. warehouses etc.
1.5 - 3 4 - 9 17 - 26 21 - 34
3 - 5 7 - 10 26 - 43 32 - 53
Average Projects
eg. multi-storey offices, units, etc.
9 - 15 26 - 34 43 - 60 68 - 94
25 - 45 34 - 43 85 - 128 119 - 170
100 - 125 51 - 77 111 - 136 162 - 221
Complex Projects
eg. concert halls, hospitals, art galleries, etc.
3 12 26 37
4 - 8 15 - 21 34 - 51 49 - 72
15 - 25 43 - 51 51 - 68 94 - 119
50 - 100 68 - 85 128 - 170 196 - 255

Note:

The area is based on Gross Floor Area

This building cost calculator is based on single building rates provided by Andrew Nock Valuers for the gross floor area of a building. The gross floor area is the total of the fully enclosed covered floor areas of a building over all floor levels measured. Measurements should be based on the external measurements of the building that is including the thickness of all walls. In this building cost-calculator unenclosed covered areas are not included in the gross floor area.

Building cost rates per square metre - a disclaimer

Estimated building costs only provide an indicative value of the likely cost of rebuilding a building within that category. While a single rate does provide a reasonable guide in many instances it should not be relied on to set a declared value or sum insured for a building. It should be regarded as a reasonable test only. There are a vast many factors which can influence the true replacement value of building.

Please note that the building cost rates do not include allowance for the following:

  • Access
  • Demolition
  • External services outside 3 metres,
  • External structures, i.e. balconies, verandahs, covered ways, carports, garages
  • Furniture and furnishings
  • Goods and Services Tax (GST)
  • Heritage issues
  • Hoardings
  • Lead time for demolition, design, approvals, tender and rebuilding
  • Legal and professional fees
  • Loose or special equipment
  • Plant and equipment not an integral part of the building
  • Regional locations
  • Site conditions
  • Special design features
  • Special fixtures, fittings, finishes
  • Zoning restrictions

Demolition Costs

View a table of estimated demolition costs.

Obtaining an accurate valuation

Rather than rely on this building cost estimator, you can obtain a quotation or arrange for a full valuation by Andrew Nock Valuers by clicking here