Question to the HM Treasury:

To ask the Chancellor of the Exchequer, what recent estimate her Department has made of the potential impact of ending the non-domiciled tax status on revenues to the Exchequer.

This question was answered on 14th May 2025

	2024-25	2025-26	2026-27	2027-28	2028-29	2029-30
Post behavioural Costing £bn	0.0	-0.1	9.5	13.1	6.8	4.5

A supplementary forecast information release around the costings of reforms to the non-domicile regime was published by the Office for Budget Responsibility in January 2025. This costing outlines the certified impact of ending the non-domiciled tax status on revenues to the Exchequer.

https://obr.uk/docs/dlm_uploads/Non-doms-supplementary-release-Jan-2025.pdf