Marriage Allowance is a government scheme designed to help married couples and civil partners reduce their overall income tax bill. It allows one partner to transfer a portion of their unused Personal Allowance to the other, if certain conditions are met. This article explains how Marriage Allowance works, who is eligible, how and when to claim it, as well as situations where it may not be beneficial.
What Is Marriage Allowance?
Marriage Allowance (also known as the transferable tax allowance) enables an individual with unused Personal Allowance to transfer part of it to their husband, wife, or civil partner. This transfer creates a tax reducer (tax credit) for the recipient, which lowers the amount of income tax they must pay.
If you or your partner earns less than the Personal Allowance (£12,570 for the 2025/26 tax year), you may be able to benefit from Marriage Allowance.
It is important to note that Marriage Allowance should not be confused with the Married Couple’s Allowance, which applies only where one spouse or civil partner was born before 6 April 1935.
How Marriage Allowance Works
Marriage Allowance operates by reducing the Personal Allowance of the donor spouse or civil partner and applying a tax credit to the recipient.
- The donor is the person who gives up part of their Personal Allowance.
- The recipient receives a tax credit that reduces their tax bill.
The donor must make the Marriage allowance claim.
Marriage Allowance for 2025/26
- Transferable amount: £1,260
- Tax credit received: £252
- Maximum tax saving per couple: £252
The tax credit can only reduce the recipient’s tax bill to zero. Any unused portion of the credit is not refunded, and the donor’s Personal Allowance is not reinstated.
Example: How Marriage Allowance Can Reduce Your Tax Bill
Your income is £11,500 and your Personal Allowance is £12,570, so you do not pay any Income Tax.
Your partner earns £20,000 and has a Personal Allowance of £12,570, meaning they pay tax on £7,430 of their income (their taxable income). As a couple, you are therefore paying Income Tax on £7,430 in total.
By claiming Marriage Allowance, you transfer £1,260 of your Personal Allowance to your partner. This reduces your Personal Allowance to £11,310 and lowers your partner’s taxable income by £1,260.
As a result, you will pay tax on £190, while your partner will only pay tax on £6,170. Overall, the amount of income you are taxed on as a couple falls to £6,360 instead of £7,430, giving you a tax saving of £214.
Eligibility for Marriage Allowance
Both partners must meet all the following conditions:
- You must be married or in a civil partnership.
- You must not pay Income Tax, or your income must be below the Personal Allowance (usually £12,570).
- Your partner pays Income Tax at the basic rate, meaning their income is typically between £12,571 and £50,270 before applying the Marriage Allowance.
If one of you was born before 6th April 1935, you should usually consider the Married Couple’s Allowance instead, as it is often more advantageous.
How to Claim Marriage Allowance
You can claim Marriage Allowance through the following methods:
- Online via GOV.UK
- By phone through HMRC
- By post using form MATCF
When and How to Apply
- During the tax year: Claims will automatically continue each year unless you cancel them or they are no longer beneficial.
After the tax year ends: Claims will apply only to that specific year.
- Backdating your claim: You can claim for the current tax year and up to the last 4 tax years by completing form MATCF, If you meet the eligibility criteria for each year.
- If your partner has passed away: Contact the Income Tax helpline to backdate your claim.
- Quickest way to apply: If you are not backdating, applying online is the fastest option.
If one partner completes a Self-Assessment tax return, it is important that HMRC’s records reflect the Marriage Allowance claim before the return is submitted to avoid incorrect tax calculations.
Summary
Marriage Allowance can be a valuable tax-saving opportunity for eligible couples, but it is not suitable in every situation. Understanding your income levels, tax position, and possible future changes is essential before making or maintaining a claim.
If you are unsure whether Marriage Allowance is right for you, it is strongly recommended that you seek professional tax advice.
At GM Accountants & Tax Consultants, our team of qualified accountants can assist and guide you on Marriage Allowance and other tax matters. Do not hesitate to get in touch with us. If you are unable to visit our office, we can arrange a video call at your convenience. For more information, please email us at admin@gmtaxconsultants.co.uk or call us at 02037734123.
Disclaimer:
The information provided in this blog is for general informational purposes only and does not constitute professional accounting or tax advice. As individual circumstances may vary, readers are advised to contact us directly for advice tailored to their specific financial or tax situation.
