Dreaming of a Set For Life win? You’re not alone. Landing large prizes is something many people imagine, but it also raises a few practical questions about what happens next.
Ever wondered if those monthly payments are really tax free, or how a sudden boost to your finances might affect your chances of getting a mortgage? These are common concerns for new winners and anyone hoping they will be next.
This guide walks through how tax works and what it could mean for your mortgage options, so you can plan with confidence.

If you win the Set For Life top prize in the UK, your winnings are tax free. Under UK law, lottery prizes are not treated as income, so your £10,000 a month is paid in full.
What you do with the money can be taxable. Interest you earn on savings counts as income, and profits from investments may attract capital gains tax. Larger gifts can also have inheritance tax implications, depending on timing and the size of your estate. If you are planning significant transfers or investments, it is sensible to get professional advice.
With the tax position on the prize itself clear, the next question is how lenders view those monthly payments when you apply for a mortgage.
Regular payments from Set For Life can strengthen a mortgage application, as they provide a steady stream of income. Lenders will usually ask for proof of the award and the payment schedule, often in the form of official documents from The National Lottery. Some will also want to see the funds landing in your account over a few months.
Policies vary. A number of lenders treat this income similarly to an annuity or pension, while others view it as non-standard and apply extra checks. You may be asked to choose a mortgage term that does not exceed the years remaining on your payments. A broker who has handled this type of case can help you identify lenders that are comfortable with the structure and duration of Set For Life.
Transparency makes a difference. Clear documentation, a sensible deposit and a realistic budget help you avoid delays and find a competitive rate.
If you are also weighing up the tax angle, here is a quick confirmation before we return to affordability.
As noted earlier, Set For Life prizes are not taxable as income, and there is no need to report the prize itself to HMRC as earnings. The position changes once the money begins to generate returns. Interest on cash savings can be taxable above your Personal Savings Allowance, and investment gains may be subject to capital gains tax.
Gifts to family or friends can be made, but larger transfers may count towards your estate for inheritance tax if you die within seven years. Keeping records of significant gifts is useful for your executors.
With that settled, the focus turns to how lenders assess what you can afford.
A guaranteed monthly payment can improve affordability because it adds stable income to your application. Lenders still look at the full picture, including your credit history, existing commitments and everyday spending. They may use income multiples and stress tests to check you could manage payments if rates rise.
The size of your deposit matters too. Saving part of your winnings to put down a larger deposit can reduce your loan to value, which often opens up cheaper rates. For example, moving from an 85 percent loan to value to 75 percent can make a noticeable difference to the rate and to monthly costs.
If you plan to use some of the prize as a lump sum deposit, maintain clear records showing the source of funds and keep official documents to hand. Lenders need to satisfy anti-money laundering checks, and good paperwork speeds things up.
Set For Life pays monthly, not as a single lump sum, and lenders usually like regular income they can see continuing for the term of the mortgage. Proof of the award and bank statements showing payments arriving are often requested.
If you also hold a lump sum, whether from savings or another windfall, it can boost your deposit and lower your loan to value. That may expand your lender choices and improve the rate you are offered. Where you only have the monthly payments, a broker can help you present the case for affordability without a very large deposit.
With deposits in mind, you might be wondering how the prize can be used upfront.
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Yes, you can. Because Set For Life is paid monthly, you may need time to build a larger deposit if you do not already have savings. Saving several months of payments can strengthen your application and reduce the amount you need to borrow.
Lenders will ask where the deposit comes from, so keep official confirmation of your prize and bank statements that show the funds. If part of the deposit is gifted by someone else, expect to provide a simple gift letter confirming it is not a loan and that the giver will have no interest in the property.
If you want the monthly income to count towards affordability as well, the next section explains how lenders typically view it.
Set For Life works much like an annuity, with guaranteed monthly payments for a set period. Many lenders will consider this income provided it is documented, reliable and expected to continue for the length of the mortgage term. If you have 25 years of payments remaining, a 25-year term is often acceptable. Where the proposed term is longer than the remaining payment period, some lenders may shorten the term or use a reduced figure for income.
Expect requests for official confirmation of the award and recent bank statements. A broker familiar with annuity-style income can point you to lenders that set out clear criteria for this type of case.
Now to the practicalities of proving the income when you apply.
Lenders look for clear evidence that the income is genuine and ongoing. They typically ask for:
Some lenders or solicitors may contact The National Lottery for confirmation. Keeping your documents organised and responding promptly to requests tends to keep the process moving.
There are no mortgage products created solely for lottery winners, but a substantial lump sum can widen your choices. A bigger deposit usually means a lower loan to value and access to sharper rates. High earners or those with significant assets may also be eligible for private banking solutions, including bespoke terms or interest only options where a clear repayment plan exists.
Whichever route you take, retain documents that show where the funds came from. Lenders must verify large deposits to comply with regulation.
You can gift part of your Set For Life winnings to help someone with a deposit. Lenders generally ask for a gift letter that confirms the funds are a genuine gift, not repayable, and that the giver will have no beneficial interest in the property. Proof of the money’s source is also required.
For inheritance tax, larger gifts may be counted in your estate if you die within seven years, so it is worth keeping simple records. For joint applications, both applicants’ incomes are assessed together, and all sources of income should be documented clearly. Straightforward paperwork is the easiest way to avoid delays.
The prize is tax free, but returns from it are not. Interest on savings may be taxable above your Personal Savings Allowance, and investment gains can be subject to capital gains tax. Using tax-efficient wrappers such as ISAs can help shelter interest or returns within annual limits, and keeping records makes completing any tax return simpler.
If you plan to invest or buy additional property, a qualified adviser can help you understand the tax position before you commit.
Buying a home after a win is exciting, and a little preparation goes a long way. Lenders look for clarity, consistency and a sensible plan for repayments.
Have the key items ready when you start speaking to lenders or a broker:
With solid paperwork, a credible budget and the right lender, Set For Life payments can sit neatly within a mortgage application, helping you move forward with confidence.
**The information provided in this blog is intended for educational purposes and should not be construed as betting advice or a guarantee of success. Always gamble responsibly.