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Self Assessment questions for my wife

My wifes only income is state pension and interest on savings. All savings are in my wifes name as I pay 40% tax. Savings interest is way over 10K and we registered my wife for self assessment.

I have a question. Whilst we are happy with the tax to be paid by 31 jan 26 for 24/25, the form also calculates 50% of assumed tax on interest for 25/26. Now as this income is not a salary received in equal amounts throughout the year, isnt my wife effectively being forced to pay tax on interest not yet received as quite a bit of it will be received in the final quarter? 

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  • Dazed_and_C0nfused
    Dazed_and_C0nfused Posts: 19,508
    10,000 Posts Sixth Anniversary Name Dropper
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    edited 22 June 2025 at 2:28PM
    My wifes only income is state pension and interest on savings. All savings are in my wifes name as I pay 40% tax. Savings interest is way over 10K and we registered my wife for self assessment.

    I have a question. Whilst we are happy with the tax to be paid by 31 jan 26 for 24/25, the form also calculates 50% of assumed tax on interest for 25/26. Now as this income is not a salary received in equal amounts throughout the year, isnt my wife effectively being forced to pay tax on interest not yet received as quite a bit of it will be received in the final quarter? 

    31 January 2026 is roughly three quarters of the way through the 2025-26 tax year.

    If she had a PAYE pension she could well have been paying extra tax towards the tax on the interest from the end of April 2025.  Nine months earlier.

    She seems in a fortunate position to me really.

    And Self Assessment is based on the total liability, there will not be any POA required in respect of a particular type of income.
  • arsenalboy
    arsenalboy Posts: 457
    Part of the Furniture 100 Posts Name Dropper
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    My wifes only income is state pension and interest on savings. All savings are in my wifes name as I pay 40% tax. Savings interest is way over 10K and we registered my wife for self assessment.

    I have a question. Whilst we are happy with the tax to be paid by 31 jan 26 for 24/25, the form also calculates 50% of assumed tax on interest for 25/26. Now as this income is not a salary received in equal amounts throughout the year, isnt my wife effectively being forced to pay tax on interest not yet received as quite a bit of it will be received in the final quarter? 

    31 January 2026 is roughly three quarters of the way through the 2025-26 tax year.

    If she had a PAYE pension she could well have been paying extra tax towards the tax on the interest from the end of April 2025.  Nine months earlier.

    She seems in a fortunate position to me really.

    And Self Assessment is based on the total liability, there will not be any POA required in respect of a particular type of income.
    Thanks, that is very logical the way you lay it out. Can I ask a supplementary please?

    The 50% assumed for 25/26 is based on 24/25 actual, but 2 things have happened that will reduce 25/26 liability. The first is falling interest rates  and the second is movement into ISAs. Is my wife allowed to "challenge" the 50% calculation?
  • Dazed_and_C0nfused
    Dazed_and_C0nfused Posts: 19,508
    10,000 Posts Sixth Anniversary Name Dropper
    Forumite
    edited 22 June 2025 at 3:01PM
    My wifes only income is state pension and interest on savings. All savings are in my wifes name as I pay 40% tax. Savings interest is way over 10K and we registered my wife for self assessment.

    I have a question. Whilst we are happy with the tax to be paid by 31 jan 26 for 24/25, the form also calculates 50% of assumed tax on interest for 25/26. Now as this income is not a salary received in equal amounts throughout the year, isnt my wife effectively being forced to pay tax on interest not yet received as quite a bit of it will be received in the final quarter? 

    31 January 2026 is roughly three quarters of the way through the 2025-26 tax year.

    If she had a PAYE pension she could well have been paying extra tax towards the tax on the interest from the end of April 2025.  Nine months earlier.

    She seems in a fortunate position to me really.

    And Self Assessment is based on the total liability, there will not be any POA required in respect of a particular type of income.
    Thanks, that is very logical the way you lay it out. Can I ask a supplementary please?

    The 50% assumed for 25/26 is based on 24/25 actual, but 2 things have happened that will reduce 25/26 liability. The first is falling interest rates  and the second is movement into ISAs. Is my wife allowed to "challenge" the 50% calculation?
    No, there is nothing she can do to "challenge" the POA amounts, they are a matter of fact.

    She can though make a claim to reduce the POA if she believes the 2025-26 liability will be less.  Just to be clear this is the total liability completely irrespective of why it arises. 

    So if her interest was expected to result in £0 extra tax in 2025-26  but she had a new source of (taxable) income which meant she had some tax to pay on that in 2025-26 then that has to be considered, you wouldn't just reduce the POA to £0 as it is they overall position that counts, not individual sources of income.

    NB.  Each POA has to be within 1 pence of each other.  For example £600.00 each or £600.00 first POA and £600.01 second POA.  You cannot reduce to say £200 first POA and £1000 second POA.
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