GDV to Build Cost: The Weekly Developer Ratio
John EllisPublished on: 25/05/2026
The GDV-to-build-cost ratio every UK residential developer should track weekly, not quarterly.
AI QS
John Ellis
AI in Quantity Surveying: The 2026 Reality
John EllisPublished on: 21/05/2026
What AI actually does for UK quantity surveyors in 2026 and where the limits still sit.
AI QS
Subbie Take-Off Accuracy: The Margin Trade-Off
John EllisPublished on: 18/05/2026
Why faster take-offs cost subbies margin and how AI removes the speed-accuracy trade-off.
AI QS
Two-Stage Tender Margin Leakage: Where £540k Goes
John EllisPublished on: 15/05/2026
The five points where two-stage tenders bleed £540k of margin before Stage 2 contract sign-off.
AI QS