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Retrospective claim for tax relief on gross pension contributions

Hi there

I have realised that I have not been entering the gross amount of pension contributions (i.e. my personal contributions plus the tax relief) on my tax return for as long as I can remember.

Is it possible to retrospectively claim back the relief for those previous years? If so, is there a limit on how far back any retrospective claim can go (I'm assuming 4 years)?

And finally, assuming the mechanics of requesting a refund are to include the relevant sums on the tax return - on which section should the values be included? For example, should I just take whatever Gross contribution I have made in 24-25, plus the previously unclaimed amounts for the past 4 years and include the total in Box 1 of the 'Tax Relief' section?

Many thanks in advance for your help.

«1

Comments

  • You would already have received basic rate tax relief. Are you a 40% taxpayer? Were your contributions made using relief-at-source or netpay?
  • SVaz
    SVaz Posts: 821 Forumite
    500 Posts Second Anniversary
    edited 24 February 2025 at 2:28PM
    You put in the net amount on the SA form and it automatically adds the tax relief.  
    I’m looking at my SA form for 2023-24. 
  • molerat said:
    (link to correcting a SA return which I'm not allowed to post as a newbie)
    Thanks, but that doesn't address the question. In any way.
  • You would already have received basic rate tax relief. Are you a 40% taxpayer? Were your contributions made using relief-at-source or netpay?
    I am a 40% taxpayer and my contributions are RAS. I understand that I have already received the basic tax relief.
  • SVaz said:
    You put in the net amount on the SA form and it automatically adds the tax relief.  
    I’m looking at my SA form for 2023-24. 
    Thanks. That's sort of my point: I have read in a recent report that we should be entering the Gross amount (personal contributions + basic rate relief. I have only been entering the personal contributions).
  • af1963
    af1963 Posts: 493 Forumite
    Fourth Anniversary 100 Posts Name Dropper
    edited 24 February 2025 at 2:56PM
    Tafkars said:
    molerat said:
    (link to correcting a SA return which I'm not allowed to post as a newbie)
    Thanks, but that doesn't address the question. In any way.
    Take a closer look.  It explains the process you need to follow.  You'd be correcting an error in previous self assessment returns and claiming back a resulting overpayment of tax. For anything more than 12 months after the relevant deadline, you need to write to them, and you can claim overpayments for up to 4 years after the end of the relevant tax year ( so currently, up to 5 April, you can claim for 2020-21 and later years.)
  • SVaz
    SVaz Posts: 821 Forumite
    500 Posts Second Anniversary
    Ah yes, as a 40% payer, you do need to put the gross in order to get the extra 20%. 
  • af1963 said:
    Tafkars said:
    molerat said:
    (link to correcting a SA return which I'm not allowed to post as a newbie)
    Thanks, but that doesn't address the question. In any way.
    Take a closer look.  It explains the process you need to follow.  You'd be correcting an error in previous self assessment returns and claiming back a resulting overpayment of tax. For anything more than 12 months after the relevant deadline, you need to write to them, and you can claim overpayments for up to 4 years after the end of the relevant tax year ( so currently, up to 5 April, you can claim for 2020-21 and later years.)
    Understood and appreciate you taking the time to post the clarification, thanks.
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