Council Tax: Wales
The question
To ask the Chancellor of the Exchequer, whether (a) artificial intelligence and (b)machine learning were used in the automated valuation model in the Valuation Office Agency’s work for council tax revaluation in Wales.
Answered by James Murray
The Automated Valuation Model (AVM) utilises supervised machine learning, where a model is trained using known transaction values. Statistical techniques are used to calculate the impact of the property’s inherent characteristics and location on the value of a property. While the AVM supports the valuation process, its outputs are reviewed and refined by valuers and analysts before making a final judgement on the appropriate band a property is placed in.
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