Secondhand Baby Gear: What’s Safe to Buy Pre-Loved (and What You Should Always Buy New)

According to a 2024 survey by the Money Advice Service, the average UK family spends somewhere between £1,500 and £2,000 kitting out for a new baby. That figure lands in your lap roughly around the same time as the positive test, the endless Rightmove scrolling for a bigger flat, and the quiet realisation that your car boot is not as big as you thought it was.

Here is the thing, though. Babies use most of their gear for a laughably short window. That Moses basket? Three months, tops. The infant car seat? Maybe a year. The snowsuit your mum insisted on? Worn four times before it no longer zipped up. The gap between what baby gear costs and how long it actually gets used is enormous, and it is the reason the secondhand baby market is booming.

But not everything is safe to buy pre-loved. Some items carry genuine safety risks when they have been used before. Others are absolutely fine, sometimes even better, with a bit of previous life in them. This guide breaks down exactly which is which, so you can save money where it makes sense and spend it where it genuinely matters. 🏷️

The one rule that makes everything simpler

If an item has a safety standard, an expiry date, or hygiene parts that cannot be fully cleaned or replaced, buy it new. If it is structural, cleanable, and does not degrade with age, secondhand is perfectly fine.

That single rule covers about 90% of the decisions you will face. The tricky part is knowing which items fall into which camp, because it is not always obvious. A pushchair? Totally fine. A car seat that looks identical to a new one? Absolutely not. Let us go through it.

Always buy new: the non-negotiables

Car seats

This is the big one, and it is non-negotiable. Car seats are designed to absorb the force of a single impact. After a collision, the internal structure can be compromised even if the seat looks completely undamaged on the outside. Hairline fractures in the polystyrene, stressed harness webbing, damaged buckle mechanisms - none of these are visible to the naked eye.

When you buy a secondhand car seat, you have no way of knowing whether it has been in an accident. The seller might not even know, if they bought it secondhand themselves. On top of that, car seats have expiry dates (usually 6-10 years from manufacture), and older seats may not meet the latest i-Size safety regulations.

This is the one item where the safety argument is absolute. Buy new, register the seat with the manufacturer for recall alerts, and keep the receipt.

Cot and Moses basket mattresses

The Lullaby Trust is clear on this: ideally, every baby should have a new mattress. Used mattresses can harbour bacteria, mould, and dust mites that build up over time, even with a waterproof cover. There is also ongoing research into the link between used mattresses and SID risk, and while the evidence is not conclusive, the precaution is cheap enough to be worth taking.

A decent cot mattress starts at around £25-30 for a foam option and goes up to £80-100 for pocket sprung. Given that your baby will sleep on it for thousands of hours over two or three years, it is one of the most cost-effective new purchases you can make.

Breast pumps (with one exception)

Most breast pumps are designed as single-user devices. The internal tubing and motor housing can trap moisture and milk particles that are impossible to fully sterilise, creating a breeding ground for bacteria and mould. Using a pump that has had someone else's milk running through it is a genuine infection risk.

The exception is hospital-grade pumps, which are specifically engineered to be shared between users. These have closed systems that prevent milk from entering the motor. But the consumer models you find on marketplace apps? Those are single-user, even if the seller has cleaned the external parts thoroughly.

Buy the pump new and keep it. If you are on a budget, a manual pump is a perfectly effective option at a fraction of the price. 💪

Bike helmets and cycle seats

Same principle as car seats. Helmets are designed to absorb one impact. A dropped helmet might look fine but could have micro-damage that means it will not protect properly in an actual fall. Always buy new and replace after any significant knock.

Brilliant pre-loved: where secondhand really shines

Pushchairs and prams

This is where the biggest savings live. A pushchair that cost £800 new can often be found for £150-250 in excellent condition, because parents upgrade, move to lighter buggies, or simply finish having children. The mechanical parts, the frame, wheels, brakes, and folding mechanism, are built to last well beyond one child.

What to check: test the brakes on a slope, check the fabric for mould spots (especially under the hood), make sure the harness adjusts smoothly, and confirm all clips and locks engage properly. If it folds, fold and unfold it yourself before handing over any money.

Cots and cotbeds (but not the mattress)

Wooden cots are tanks. A solidly built cotbed will outlast three children without breaking a sweat. Check that the slats are intact and correctly spaced (between 25mm and 65mm), that the drop-side mechanism has not been recalled (many older models have), and that all the bolts and fixings are present. Then buy a brand new mattress for it.

Highchairs

Wooden highchairs, especially the Scandinavian-style ones that grow with the child, are phenomenal secondhand buys. These are designed to last from six months to adulthood, and a five-year-old version is functionally identical to a new one. Wipe it down, check the harness, and you are good to go.

Clothes (obviously)

Baby clothes are the ultimate secondhand category. A newborn outfit gets worn three times, washed twice, and outgrown before you have even cut the tags off the next size up. Baby bundles on marketplace apps are unbeatable value, and the clothes are often in better condition than things you would buy from a shop because they have barely been worn.

The only caveat: check elastics on leggings and waistbands (they go slack), and avoid anything with cracked or peeling prints, as these can be a choking hazard once they start flaking.

Books and toys

Board books survive nuclear winters. Wooden toys, stacking cups, shape sorters, play kitchens - all fantastic secondhand. Give them a good clean, check for loose parts or sharp edges, and skip anything with batteries that has been sitting in a garage (battery corrosion is not worth the hassle).

The grey zone: use your judgement

Baby monitors

Audio monitors are generally fine secondhand. The technology is simple and does not degrade much. Video monitors are trickier, older models may have outdated encryption (meaning someone else could theoretically access the feed), and battery life drops significantly after a couple of years. If you do buy secondhand, make sure you can factory reset it and set up fresh credentials.

Bouncers and swings

Usually fine if the fabric is clean and the harness is intact. Check the frame for cracks, especially around joints and spring points, and make sure any battery compartments are corrosion-free. The main risk with these is not safety but hygiene: fabric that has absorbed months of dribble and posset can be hard to get truly fresh.

Travel cots

The frame and fabric are generally fine secondhand, but you should buy a new mattress for these too. Check that the folding mechanism locks firmly, the mesh sides are intact (no tears or sagging), and the base sits flat. Pop-up travel cots in particular can be fiddly, so test the setup yourself.

Where to find good secondhand baby gear

• Facebook Marketplace and local selling groups - the biggest selection, and you can inspect before buying. NCT and local mum groups often have dedicated selling pages.
• Vinted and eBay - good for clothes bundles, toys, and smaller items. Check seller ratings and look for detailed photos.
• NCT Nearly New Sales - these happen regularly across the UK and are specifically curated for baby and children's items. Quality tends to be high and prices are reasonable.
• Friends and family - often the best source. You know the history of the item, and it usually comes free.

Your pre-loved checklist

Before you buy anything secondhand, run through these questions:

• Has this item been recalled? Check the product name against the government recall database.
• Are all parts, screws, and fixings present? Missing bits are surprisingly hard to source.
• Does it meet current safety standards? Look for the CE, UKCA, or BSI kitemark.
• Can I clean it properly? If the answer is no, pass on it.
• Would I feel confident putting my baby in or on this? Trust your gut.

The smart approach: mix and match

The savviest parents we know take a blended approach. They buy the safety-critical items new, the big-ticket structural items secondhand, and they put the money they saved towards experiences, savings, or honestly just the electricity bill. There is zero shame in a pre-loved pushchair, zero risk in secondhand baby grows, and absolutely no reason to buy a brand new play kitchen when a £15 one from Facebook Marketplace does exactly the same job.

If you are building your registry, pop the non-negotiable new items on your BubsNest list so friends and family can contribute towards them. That way the big stuff gets covered, and you can happily hunt for bargains on everything else. 🛒