Jasmine Birtles
Your money-making expert. Financial journalist, TV and radio personality.

For a certain kind of shopper, there’s often a bag by the front door with a few items in it, waiting to go back — sitting there until the last day of the return window. Buy, wear once or never, return or let it hang in the wardrobe, repeat. It’s a pattern many people recognise, and one that quietly pushes their spending well above the average clothing cost per month.
The good news is that the fix has less to do with willpower than most people assume — and more to do with knowing, at the moment of buying, whether an item will actually work. That check used to require a stylist; AI styling apps now attempt it at the point of purchase. Dressly AI fashion stylist is one example, using AI to gauge how well an item matches a shopper’s colouring and shape before they buy.
Ask how much do people spend on clothes per month and you won’t get one clean answer — the figures vary quite a bit depending on the source:
The figures don’t agree, but they cluster in the same broad range. The trouble is that plenty of people spend two or three times the average cost of clothing per month for 1 person — and often can’t say exactly where the money went.
The averages above answer how much does clothing cost per month on paper — but they miss one line entirely. Here’s the number that tends to stop people short: WRAP’s wardrobe research found the average UK adult owns 118 items of clothing, and 26% of those haven’t been worn in at least a year. That’s an estimated £4 billion sitting untouched in wardrobes across the country. None of it ever shows up in the average monthly clothing cost, because it’s money already spent — doing nothing.
This is where cost per wear matters. The real cost of anything isn’t the price tag; it’s the price divided by how many times it’s actually worn. A £15 jumper worn 50 times costs 30p a wear. A £150 dress worn once costs £150 a wear. The Ellen MacArthur Foundation has found the average garment is worn as few as seven times before being discarded — which means most of what fills a wardrobe never comes close to earning back what it cost.
Most people who overspend on clothes have tried to rein it in. The common approaches tend to fail for the same underlying reason.
A “no new clothes for a year” challenge aims to bring the monthly clothing budget down to zero. It usually holds until a wedding, a themed party, or a job interview forces an exception — and once the rule is broken, spending often rebounds higher than before. Refusing to buy anything doesn’t address why the buying happens in the first place.
A wardrobe audit and a shopping session can be genuinely effective — and genuinely expensive, sometimes costing more than several months of a normal clothing budget combined. A stylist can explain what suits someone in one sitting, but that advice doesn’t travel well to 11pm phone-scrolling, where the impulse purchases actually happen.
Deciding a whole wardrobe is out of date and replacing it in one go is one of the most expensive moves of all. The wardrobe changes; the habit doesn’t. A brand-new “correct” wardrobe simply stacks a large one-off cost on top of the existing problem.
The common thread is that each fix assumes the shopper doesn’t know what to buy. Usually the real gap is narrower: not knowing, in the moment, whether a specific item will work with one’s colouring, shape, and the clothes already owned. Unlike rent or an electricity bill, clothing is one of the few genuinely flexible lines in a monthly budget — a decision remade every single time.
The approaches that hold up share a theme: they close the gap between the shop — or the checkout page — and an honest answer to “will this actually work for me?” A few make the biggest difference:
Several of these once required a stylist or a lot of trial and error; the AI styling apps mentioned earlier bundle them into a phone. No tool switches off impulsive shopping on its own, but the ones that answer “does this work for me?” at the point of decision tend to do more for a clothing budget than rules or one-time overhauls.
However you answer how much does the average person spend on clothes, the figure that actually changes behaviour is usually a personal one: the total spent over a full year on “just this one thing” purchases. Most people have never added it up. Doing so — before trying any rule, stylist, or app — is often the single thing that makes the problem impossible to ignore, and the cost-per-wear lens is what keeps it from creeping back.
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