Question to the HM Treasury:

To ask the Chancellor of the Exchequer, what advice the Center for Appraisal Research and Technology provided to the Valuation Office Agency for its work on an automated valuation model for council tax revaluation in Wales.

To support the model development, VOA let a short-term advisory contract with the Centre for Appraisal Research and Technology (CART) who provided advice on:

1. Specific statistical and modelling techniques employed by VOA to ensure appropriate use, focusing on published academic research and international best practice among government property tax/valuation authorities;
2. Alignment of VOA modelling procedures with international standards;
3. Any additional statistical tests and analyses VOA should consider as part of their modelling work.