Postcode lottery odds: what £12.50 a month buys, draw by draw

How a postcode lottery works

The People's Postcode Lottery is not one lottery but a group of society lotteries. Postcode Lottery Ltd runs them on behalf of 20 Postcode Trusts, each of which promotes one draw a month and passes the money it raises to charities. A ticket is a monthly subscription of £12.50, paid in advance, and it enters every one of that month's 20 draws. The draws are usually held together on the first Wednesday of the month with an independent adjudicator present, and the winning postcodes are then announced one day at a time.

Winning postcodes are chosen by a certified random number generator. The unit that wins is the postcode, not the person: when yours comes up, every ticket registered to it wins the prize. The lottery is not available in Northern Ireland. Because it is a society lottery, it is entirely separate from the National Lottery, which Allwyn runs under its own licence; our UK lottery odds page covers those games.

Postcode lottery odds, prize by prize

The operator publishes odds as averages and describes each one as "better than" a figure, so they are upper bounds on how long the odds are, not exact values. These are the figures on its own explanation of how the game works, checked on 2 October 2026.

The any-prize figure is a rolling average for each month of draws over the last twelve months. The operator adds two snapshots: 25.8% of playing postcodes won a prize from August's draws, and 84% of players won a prize at some point in 2025. Neither figure separates cash from vouchers, so a "win" here can be small.

How the postcode lottery odds are worked out

With Lotto or Thunderball you can count every possible line and find the exact chance of each prize. A postcode lottery has no such fixed matrix. The chance that your postcode is drawn depends on how many postcodes are playing that month, and the chance of each prize depends on the current prize plan, so the operator works its figures out from its own entries. We cannot check them independently, and nobody outside the operator can.

What we can do is the arithmetic that follows from them, starting with turning a monthly chance into a yearly one. If each month gave exactly a 1 in 4 chance and the months were independent of each other, the chance of at least one prize in a year would be:

That is noticeably higher than the operator's own figure of 84% of players winning in 2025. The operator does not explain the gap, and we will not guess at it; the lesson is that the monthly figure is an average over all tickets, not a promise for each one. Read the 96.8% as what that average would imply under a simple assumption, not as a forecast. The same sum for the £1,000 prize gives about 0.60% a year, roughly 1 in 167, and for the three biggest prizes about 1 in 20,834.

Shared prizes add a second step. Millionaire Street pays a share of £1 million, so what one ticket receives depends on how many tickets share it. The operator does not publish how the share is divided, but if it were split equally the sums would look like this:

This is the sense in which your neighbours matter. For the fixed £1,000 and £250,000 prizes, every ticket in a winning postcode receives the full amount, so more players nearby cost you nothing. For shared prizes, more winning tickets means a smaller slice for each.

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Where the £12.50 goes

The operator publishes a fixed split of each ticket, with limits on how far it can move. Applied to one ticket, it looks like this:

So on average a ticket gets £5.00 a month back in prizes, 40p in the pound. That is below the National Lottery as a whole, where 55p of every pound went to prizes in April 2024 to March 2025, and below Thunderball's 52.882%. The trade-off is the charity share: 31p in the pound here, against 23p for National Lottery good causes. Ticket sales in 2025 were £735 million.

What the odds mean in practice

A year of tickets costs £150. Spent on Lotto instead, the same money buys 75 lines at £2 each, and with each line at 1 in 22,528,738 the chance of a jackpot across all of them is about 1 in 300,383. The postcode lottery's three biggest prizes, over twelve months at better than 1 in 250,000 each, come out at better than about 1 in 20,834. That is around 14 times the chance, but of a smaller prize: £250,000 or a share of £1 million, while the rules of a Lotto jackpot top each winner up to at least £1 million, within a limit on the top-up.

Day to day, the experience is one of small, occasional wins and a steady monthly cost, which is how the game is designed. What you pay for, on average, is 40p of prizes and 31p of charity in each pound, and the chance of a large prize is real but remote.

Postcode lottery against other UK draws

The comparison is uneven, because a postcode ticket covers a month of draws while a National Lottery line covers one. The table keeps each figure in its own unit.

The Health Lottery is the closest cousin, since it is also a society lottery; it sends 34% of sales to prizes, 20% to good causes and 46% to expenses. For the draw games with exact odds, see the side-by-side lottery comparison, the Set For Life odds or work out any line yourself with the lottery odds calculator.

A subscription renews itself, which is part of its appeal and part of its risk: it is easy to forget what it costs over a year. If you want to check whether any gambling, however small, is still under control, the responsible gambling page points to free help.

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