Knowledge Centre
Guides and reference material on automated valuation models, regulatory standards, and the data behind property valuations.
Understanding AVMs
What Are AVMs?
How automated valuation models work, their role in lending, and the metrics used to measure accuracy.
Accuracy Metrics
PE10, MdAPE, bias, and FSD — what each metric means and how to interpret them.
FSD Explained
What Forecast Standard Deviation measures, how it’s calculated, and why it matters for lenders.
Confidence Scoring
How per-property confidence tiers work and their relationship to Fitch haircut bands.
How to Backtest
A guide to testing AVM accuracy using historical transactions — and why structural blindness matters.
Land Registry Data
How Land Registry transaction data underpins AVM training and testing in the UK.
Regulatory Standards
RICS & UK Regulation
Red Book 2025, IVS 105, PRA SS1/23, and the regulatory landscape for property valuations.
European AVM Alliance
The ESSVM 3rd Edition, Forecast Standard Deviation, and the EAA Quality Label.
International Standards
How AVM regulation compares across the US, Canada, Australia, and Europe.
Basel 3.1 & Revaluation
What CRR3 means for property revaluation requirements and how AVMs fit into Basel 3.1 compliance.