The design cost generally includes the costs for the following:
• Outline design; • Site investigation/testing (5% of contract value); • Detailed design; • Contract documentation and procurement.
By default, the design cost is calculated as a percentage of the full scheme cost.
Full Scheme Cost
Additional Cost for Design
<£50,000
40%
<£250,000
20%
<£1,000,000
15%
£1,000,000 +
12%
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