If you scroll through social media long enough, you will see someone dropping coins into a jar and calling it the 50p Challenge. The idea is simple: save 1p on day one, 2p on day two, and so on, until you are putting away £3.65 on day 365. By the end of the year, you have saved £667.95 — nearly £668 in cash that most people would never miss. That number is not a gimmick. It is the total of 1p multiplied by every day of the year, and it works because the early amounts are so small they feel like nothing.
Disclosure: Some links on this page are affiliate links. If you make a purchase through them, Britwealth may earn a commission at no extra cost to you. We only include products and services that are relevant to the topic.
This article is general information only and does not constitute professional advice. For your specific situation, consult a qualified professional.
The 50p Challenge — or the 1p Challenge, as it is also called — has been around for years, but it keeps coming back because it solves a real problem. Most people know they should save, but the idea of putting aside a big chunk of pay each month feels impossible. This approach flips that. It starts so small that you barely notice the money leaving your account, and by the time the amounts get harder, you already have a habit. The trick is picking the right version for your cash flow and sticking with it long enough to see the pile grow. Here is what you actually need to know.
The core idea behind all these challenges is a concept called micro-saving.
What I tend to notice is that people overthink which challenge to pick. The best one is the one you will actually do. If you carry cash, the envelope method works. If you never see physical money, a standing order into a separate savings account for the 52-Week Challenge is cleaner. The research backs this up: structured, visual, time-limited challenges have higher completion rates than vague “save more” resolutions. For a deeper look at how to build a system around this, the ultimate guide to smashing your savings goals in the UK covers the psychology behind why these methods stick.
How the numbers stack up across the most popular challenges
Each challenge has a different rhythm, and the rhythm determines whether you finish or quit. The 1p Challenge is easy for the first six months — you are saving less than 18p a day until day 180. Then it accelerates. By day 300 you are putting away £3 a day, and the final stretch requires £3.65 daily. That is still less than a coffee, but it is a jump from the early days. The 52-Week Challenge has the opposite problem: week 52 asks for £52 in one go, which is a real ask during December.
Here is how the three main challenges compare on total saved, peak daily or weekly amount, and difficulty curve.
→ Scroll right to see all columns
| Challenge | Total saved | Peak amount | Difficulty curve |
|---|---|---|---|
| 1p Challenge (standard) | £667.95 | £3.65 on day 365 | Easy start, hard finish |
| 1p Challenge (reverse) | £667.95 | £3.65 on day 1 | Hard start, easy finish |
| 52-Week Challenge (standard) | £1,378 | £52 in week 52 | Easy start, very hard finish |
| 52-Week Challenge (reverse) | £1,378 | £52 in week 1 | Hard start, easy finish |
| 100 Envelope Challenge | £5,050 | £100 on the highest draw | Variable — depends on luck |
The 100 Envelope Challenge is the outlier. It saves the most money in the shortest time — 100 days versus 365 — but it relies on cash and randomness. If you draw the £100 envelope on day two, you need to have that much cash available. If you draw £1, you barely notice. The total is fixed regardless of the order, but the daily strain is unpredictable. That makes it harder to budget around. For anyone who wants a predictable weekly outflow, the 52-Week Challenge with a standing order into a separate account is more manageable. A savings challenge tracker book can help you mark off each day or week and keep the momentum visual.
Where people slip up and how to fix it
Missing a day and giving up entirely
The most common mistake is treating the challenge as all-or-nothing. If you miss day 47, you feel behind, and the temptation is to abandon the whole thing. The fix is simple: add the missed amount to the next day. The 1p Challenge allows catch-up without breaking the total. If you miss a week, double up the following week. The total at the end is the same. What matters is the habit, not the sequence.
Picking the wrong challenge for your income pattern
The standard 52-Week Challenge asks for £52 in week 52. If your income dips in December because of reduced hours or holiday spending, that is the worst possible timing. The reverse version solves this by putting the heavy weeks first. Similarly, the 1p Challenge is harder in the final quarter. If you know you have a big expense in November, start the reverse version so the heavy lifting is done by summer. Matching the challenge to your cash flow is more important than the total saved.
Keeping the money in your current account
Saving into the same account you spend from is a recipe for dipping into the pot. The whole point of a challenge is that the money accumulates untouched. Move it to a separate savings account or a physical container. If you use cash, a lockable money box or a simple jar works. If you use a bank, set up a standing order on payday for the weekly amount. Out of sight, out of spending reach.
Not accounting for the final stretch
The last month of the 1p Challenge requires roughly £90 total — £3 a day for 30 days. That is a noticeable amount if you have not planned for it. The same applies to the 52-Week Challenge’s final four weeks at £202. People who succeed tend to front-load or reverse the challenge so the peak lands when they have more flexibility. If you are already in the middle of a standard challenge and the final weeks look tight, start setting aside a small buffer from week 30 onwards.
How to run your chosen challenge from start to finish
Pick the challenge that fits your lifestyle
If you use a card for everything and rarely carry cash, the 1p Challenge or 52-Week Challenge works better because you can automate it with a standing order. If you get paid weekly, the 52-Week Challenge aligns naturally. If you get paid monthly, the 1p Challenge is easier to manage because the daily amounts are small enough to come out of spare change. The 100 Envelope Challenge requires physical cash and a safe place to store up to £5,050 — not ideal if you rent a room or share a house.
Set up the mechanics before day one
Decide where the money goes. For the 1p Challenge, you can use a clear jar so you see the coins build — visual progress is a proven motivator. For the 52-Week Challenge, open a separate instant-access savings account and set up a standing order for each week’s amount. If you miss a week, adjust the standing order the following week to catch up. Do not rely on memory. Automation is what turns a good intention into a completed challenge.
Track progress with a visual system
Print a tracker or use a spreadsheet. Each day or week you cross off the amount, you get a small dopamine hit that keeps you going. The research on money saving challenges highlights that visual, structured systems have higher completion rates than abstract goals. A simple checklist on the fridge or a notes app on your phone works. The act of marking progress is as important as the money itself.
Know what to do with the lump sum at the end
£668 or £1,378 is not life-changing on its own, but it is a foundation. The most common next step is to move it into a higher-interest account or use it to start an emergency fund. Some people roll it into the next year’s challenge and compound the habit. Others use it to pay down a small debt. The key is deciding before the challenge ends so the money does not evaporate into everyday spending. If you are unsure where to park it, the voucher codes and savings tips for UK shoppers guide has practical ideas for stretching the value further.
What is coming next for savings challenges
Digital banks and budgeting apps are starting to build these challenges directly into their platforms. Some now offer automatic round-ups that sweep spare change into a savings pot — essentially a passive version of the 1p Challenge. HMRC has not announced any tax changes that would affect these small savings, but the FCA is watching how apps gamify saving to ensure they do not encourage risky behaviour. For now, the old-fashioned jar and tracker method remains the most reliable because it keeps the money physically separate and the progress visible.
Frequently asked questions about the 50p Challenge and similar savings trends
Can I start the 1p Challenge in the middle of the year? ▾
What happens if I miss a week of the 52-Week Challenge? ▾
Is the 100 Envelope Challenge realistic for someone on a low income? ▾
Do I pay tax on the money saved through these challenges? ▾
Can I do the 1p Challenge and the 52-Week Challenge at the same time? ▾
What is the best way to store cash for the envelope challenge? ▾
The real value of a savings challenge is the habit it builds
£668 is a decent emergency fund for a single car repair or a winter energy bill. But the lasting benefit of the 50p Challenge is not the lump sum — it is the fact that you spent a year making a small, consistent choice. That habit transfers to other areas. People who complete one challenge are far more likely to start another or to increase their regular savings rate. The structure removes the guesswork. You do not have to decide how much to save each day because the challenge decides for you. If this was useful, you might also want to read Ace Your Savings: 20 UK-Specific Hacks You Need to Know.
Remember: this article is general information only. For advice on your specific situation, speak to a qualified professional.
Sources and Further Reading
Living Below Your Means: Essential Saving Tips for the UK — Practical strategies for cutting everyday costs so you have more to put into a savings challenge.
Smart Budgeting Tips for Students in the UK — A focused guide for younger savers who want to build the habit early.
Mum Making Money (2025). 15 Money Saving Challenges. 🔗
The Sun (2025). Money saving challenges viral — from 50p challenge to 100 envelope method. 🔗
