Archived research v1. Preserved for reference; its assumptions have not been revalidated for the new research.
Archived dossier data
Obtain a construction cost range
Edition dated 7 September 2026
- What it resolves
- The cost item with the most frequent overruns, for which the model has no contingency allowance
- Effort (days)
- 3
- Estimated cost
- €1,500
- Pass criterion
- Quote received with an explicit allowance for structural contingencies
- Decision gate
- No
- Result
- Not provided
- Status
- Not started
- Wave
- Week 3: Actual costs