D4SFee Calculator
KW

Fee Calculator

Project

Crown Place Residential Quarter

15 blocks · 2,500 flats · 6–22 storeys · 185,000 m² GIA · Stage 2–4 · BIM/Revit · ESG/BCDP · Local supply chain

Fee split by RIBA stage

Stage 2 · Concept Design / Pre-Planning
£42,000 (15%)
Stage 3 · Spatial Coordination / Planning
£84,000 (30%)
Stage 4 · Technical Design / Detailed Design
£126,000 (45%)
Tender/PQQ Support · PQQ, CVs, case studies, methodology
£14,000 (5%)
ESG / BCDP / Local Supply Chain · Sustainability and supply chain response
£14,000 (5%)
Total fee
280,000 + VAT

Large bid prep cost

  • Manual: £7,800–£9,600
  • Manual time: 9–12 working days
  • AI-assisted: 3–5 working days
  • Saving: 45–60%

Benchmark

  • Similar large residential bids: 4
  • Avg fee as % construction value: 0.42%
  • Avg Stage 4 weighting: 46% · Current: 45%

"Fee split consistent with previous large residential schemes. Contractor package fragmentation and BIM workload justify maintaining Stage 4 at 45%."

Effort by role × stage

RoleStage 2Stage 3Stage 4Tender/PQQTotal hrsFee
Director1824361088£13,200
Associate Director6011018018368£46,000
Senior Engineer12024042022802£76,190
Project Engineer160320520201,020£76,500
BIM / Revit Technician802606208968£62,920
Bid Manager10141880122£7,320
Admin / Coordinator48122852£2,340