Taxation logo taxation mission text

Since 1927 the leading authority on tax law, practice and administration

Treasury committee report on tax reliefs

Complex, uncosted and exploited

Key points

  • Tax reliefs are adding to the complexity of the tax system.
  • HMRC should publish cost data for all tax reliefs from 2025-26 onwards.
  • All reliefs should be examined for their potential to be abused.
  • A five-yearly review of tax reliefs should be instituted so that reliefs no longer working as intended can be removed.

The ‘huge and seemingly ever-expanding suite of tax reliefs’ is a major contributor to the complexity of the UK tax system. So concluded the parliamentary Treasury Committee in its recent review of tax reliefs (

Of course this is not exactly startling. The now defunct Office of Tax Simplification’s first report considered tax reliefs (March 2011) – and which the Treasury Committee mentioned found there were 1 042 reliefs allowances and exemptions – ‘far more’ than any of its initial estimates – and looked in detail at 155....

If you or your firm subscribes to, please click the login box below:

If you are not a subscriber but are a registered user or have a free trial, please enter your details in the following boxes:

Alternatively, you can register free of charge to read a limited amount of subscriber content per month.
Once you have registered, you will receive an email directing you back to read this item in full.

Please reach out to customer services at +44 (0) 330 161 1234 or '' for further assistance.

Download the exclusive Xero
free report here.

New queries
Please email any questions you might have

back to top icon