The 52-envelope challenge: how to save £1,378 in cash in a year

SYM TeamUpdated Saving Challenges

The 52-envelope challenge is the cash version of the 52-Week Challenge. You number 52 envelopes from 1 to 52, draw one each week, and put that many pounds inside. After a year every envelope is full and you have saved £1,378. Drawing envelopes at random rather than in order spreads the bigger amounts across the year, so you do not face £40 to £52 a week just before Christmas.

This guide covers setting it up, how to handle the cash, variations for bigger or smaller budgets and what to do with the money. If you prefer to save digitally, our 52-Week Challenge guide explains the bank-transfer version, and the 52-Week Challenge calculator builds a schedule from any start date.

How the 52-envelope challenge works

The maths is the same as the classic challenge: £1 + £2 + £3 and so on up to £52 adds up to £1,378. The difference is that each week's amount lives in its own envelope, which makes progress something you can see and hold.

  • Get 52 envelopes and a box or folder to keep them in.
  • Write a number from 1 to 52 on each one.
  • Each week, pick an envelope (in order, or at random) and put that number of pounds inside.
  • Seal it or mark it done, and keep going until all 52 are filled.

In order or at random?

Filling envelopes in order is the classic route, but the cost climbs steeply through the year. Drawing at random averages £26.50 a week and mixes easy weeks with harder ones.

QuarterIn orderAt random (on average)
Weeks 1 to 13£91About £345
Weeks 14 to 26£260About £345
Weeks 27 to 39£429About £345
Weeks 40 to 52£598About £345

A useful tweak: in a tight week, choose one of the smaller numbers left; in a good week, take a big one. You can also run it in reverse, starting at £52 while motivation is high, which our reverse 52-week guide covers.

Handling the cash

Cash is what makes the challenge satisfying, but it brings practical issues:

  • Getting the right notes and coins. Withdraw a round sum once a fortnight and break it down. Most weeks can be made from £5, £10 and £20 notes plus £1 and £2 coins.
  • Keeping it safe. Store the envelopes somewhere out of sight, not in a car or a drawer by the front door. Many home contents policies have a low limit for cash, so check yours.
  • Banking it regularly. Once a month, consider paying the filled envelopes into a savings account and keeping the empty, marked envelopes as your tracker. You keep the visual record without the risk of a large pile of cash at home.
  • Making the change. If your bank branch has closed, many Post Office branches accept cash deposits for UK banks; check yours does first.

Variations for different budgets

VersionWeekly rangeYear total
Half amounts (50p steps)50p to £26£689
Classic£1 to £52£1,378
Double (£2 steps)£2 to £104£2,756
26 envelopes, filled twice a week£1 to £26£351 in 13 weeks

For a bigger short-term version, see the 100 Envelope Challenge, which reaches £5,050 but needs much larger amounts each day. If £1,378 feels too big, the 1p Challenge starts at a penny a day.

Doing it as a couple or family

Split the envelopes between you, or take turns drawing each week. Children can fill the small-number envelopes with pocket money and coins, which makes saving tangible. Agree up front what the money is for, so nobody feels it was spent without them.

When you miss a week

Missing a week is normal. Pull a small envelope next week and catch up when you can, or move the missed envelope to the end. What matters is finishing, not perfection. A printed tracker on the fridge helps; our printable trackers include a 52-week grid. If you prefer reminders on your phone, SYM tells you what to put aside each day and keeps a streak going, which pairs well with filling envelopes at the weekend.

What to do with £1,378

Plan where the money goes before you start. Popular uses are Christmas, a holiday, car insurance or the first part of an emergency fund. If you have not decided, pay it into an easy-access savings account or Cash ISA so it earns interest; our savings accounts hub explains how to compare. Use the savings goal calculator if you want to set a different target.

52-envelope challenge: frequently asked questions

How much do you save with the 52-envelope challenge?
£1,378 if you fill envelopes numbered £1 to £52. Doubling each amount saves £2,756, and using 50p steps saves £689.
Is it better to do the envelopes in order or at random?
Random draws average £26.50 a week and avoid the steep climb at the end of the year. Doing them in order starts easy but ends with £40 to £52 a week.
Is it safe to keep the savings at home in cash?
Small amounts are fine if stored out of sight, but many contents policies cap cover for cash. Paying full envelopes into a savings account each month is safer and earns interest.
What is the difference between the 52-envelope and 100 Envelope Challenge?
The 52-envelope version runs for a year with amounts from £1 to £52, totalling £1,378. The 100 Envelope Challenge usually runs over 100 days with amounts up to £100, totalling £5,050.
Can I start the 52-envelope challenge in any month?
Yes. It runs for 52 weeks from whenever you begin. Starting in autumn means it finishes the following autumn, or you can plan it to end before a big expense.
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