There comes a Saturday morning when you look at your children, look at the same four walls, and think: we need to get out of London. Not forever. Just for the day. Somewhere with enough novelty that the toddler forgets about CBeebies and enough fresh air that everyone sleeps on the way home.
The good news is that London is surrounded by brilliant days out. The bad news is that half of them involve a car, and if you are relying on trains with small children, you need to plan carefully. I have done these trips with two kids under five, and I can tell you exactly which ones are worth the effort and which ones will leave you questioning your life choices on a delayed return train at 5pm.
This guide covers everything from places technically still within London to proper seaside escapes. Some are free, some are expensive, and all of them will produce the kind of deep tiredness that makes bedtime effortless.
These are technically inside the M25, but for most families they feel like a proper day out. You are crossing zones, packing a bag, and committing to a full morning at minimum. That is a day trip in anyone's book.
Kew is one of those places that works for every age. Babies are happy being wheeled around the paths. Toddlers lose their minds over the Treetop Walkway and the enormous glasshouses. Older kids can run wild in the natural play area, which has sand, water, and climbing structures tucked into the woodland. The sheer scale of Kew means it never feels crowded even on busy weekends, and there is always a quiet corner to sit with a coffee while the children chase pigeons.
The Children's Garden is the real draw for families — interactive zones designed around different elements, with splashing, balancing, and climbing. It is beautifully designed and keeps kids engaged far longer than you would expect.
East Molesey KT8 · Map · Website
Hampton Court is one of those places where adults and children both have a good time, which is rarer than you would think. The famous maze is a genuine thrill for kids aged three and up — they will talk about it for weeks. The gardens are spectacular for running around, and the Magic Garden play area is purpose-built for families with towers, water jets, and a dragon theme that ties into the palace's Tudor history.
Inside the palace itself, there are family trails and activity sheets that keep children engaged, though under-threes will have limited patience for the interiors. The grounds alone are worth the visit — vast, beautiful, and excellent for a picnic if the weather cooperates.
The Wetland Centre is the definition of a hidden gem. It is 100 acres of lakes, ponds, and marshland in Barnes, and it feels like you have left the city entirely. For children, the appeal is simple: ducks, geese, otters, and more ducks. There is a brilliant adventure playground, a pond dipping area, and during spring you can see ducklings and goslings everywhere which is basically peak toddler entertainment.
It is quieter than most London attractions and has a genuinely calm, nature-reserve atmosphere. If your children need open space and fresh air rather than overstimulation, this is the place.
These are the ones that require a bit more commitment — a car or a proper train journey. But they are the kind of days out that feel like an event, the ones the kids remember and ask to go back to.
Windsor, Berkshire · Map · Website
Let me be honest: LEGOLAND is expensive, it gets extremely busy, and the queues for rides can be significant. But your children will absolutely love it. The Miniland area, where landmarks are rebuilt in LEGO at enormous scale, is genuinely impressive even for adults. The Duplo area for under-fives is well designed and has enough rides and play areas to fill a full day. Older kids will want to do the bigger rides and the driving school.
The key to LEGOLAND is going on the right day. Term-time weekdays are ideal. Summer holiday Saturdays are a test of patience. If you can time it right, it is a brilliant day out. If you cannot, you will spend most of your time in queues wondering why you did not just go to the park.
London Colney, St Albans AL2 · Map · Website
Willows is the day out that over-delivers. It is technically an activity farm, but it has so much going on that you could spend five hours there and still not do everything. There are animals to feed and pet, tractor rides, indoor and outdoor play areas, a Peter Rabbit adventure, and seasonal activities that change throughout the year. The farm is especially good at Easter when the lambing barn is open and children can see newborn lambs.
It is not fancy. It is not trying to be an Instagram destination. It is simply a really well-run family attraction that knows exactly what parents with young children need: things to look at, things to touch, food that is edible, and enough space that nobody melts down.
Hobbledown Heath is the newer, more accessible sibling of the original Hobbledown in Epsom, and it has quickly become one of the best family attractions near London. There are underground tunnel networks for kids to crawl through, zip wires, climbing structures, animal encounters, and a huge indoor play village for when the weather turns. The whole thing is themed around a fantasy world of "Hobblers" which children find genuinely enchanting.
What sets Hobbledown apart is the quality of the design. Everything is built to a high standard, and the mix of outdoor adventure and animal encounters hits a sweet spot that works for toddlers and older kids alike.
Sometimes only the sea will do. There is something about a beach trip that resets everyone — the children, you, even the mood in the house for the rest of the week. These three are all reachable by train from London in about an hour to ninety minutes, which is just about doable with small children if you pack strategically and accept that the return journey will involve at least one meltdown.
Whitstable is the day trip that makes you feel like a better parent. The pebble beach is lovely, the harbour is small and photogenic, and the high street has independent shops and cafes that are genuinely charming rather than the usual seaside tat. For kids, the appeal is simple: throwing stones in the sea, poking around rock pools, watching fishing boats, and eating chips on the harbour wall.
The town is famous for its oysters, but let us be realistic — your children are not eating oysters. They are eating fish and chips and an ice cream, and they are perfectly happy about it. Whitstable is about the pace as much as the place. It is slow, it is calm, and it makes a Saturday feel like a proper holiday.
Brighton is the big one. The pier has rides and arcade machines that children find irresistible. The beach is pebbly but enormous, with plenty of space to spread out. The Sea Life Centre is right on the seafront and is a reliable hit with kids of all ages. And if you walk into North Laine, you will find quirky shops, cafes, and street food that make the adults happy too.
The downside of Brighton is that everyone else has the same idea. On a sunny summer Saturday, it is packed. But the energy is fun rather than stressful, and the sheer amount of things to do means you can always find a quieter corner. It is the seaside day trip that has something for everyone, which is why it has been the default London escape for decades.
Broadstairs is the seaside town that still looks like a postcard. Viking Bay is a proper sandy beach — not pebbles, actual sand — sheltered by chalk cliffs and small enough that you can see your children wherever they are. Morelli's ice cream parlour on the seafront has been serving gelato since the 1930s and it is as good as everyone says. The town itself is compact and walkable, with fish and chip shops, independent cafes, and Bleak House perched dramatically on the cliff above the bay.
What makes Broadstairs special for families is the scale. It is not overwhelming. There is one main beach, a handful of good places to eat, and a relaxed atmosphere that feels a world away from London. Children can paddle, build sandcastles, and eat ice cream, and that is genuinely all you need for a perfect day out.
If your children are in their animal phase — and let us be honest, most children are permanently in their animal phase — these two are worth the drive. They are bigger, more immersive, and more tiring than any city farm, and the kind of day out that produces genuinely happy exhaustion.
Dunstable, Bedfordshire · Map · Website
Whipsnade is London Zoo's bigger, wilder sibling, and in many ways it is better for young children. The animals have more space, the grounds are enormous, and it feels more like a safari park than a traditional zoo. You can drive through the Passage Through Asia area with rhinos and deer wandering past the car, which is the kind of experience that makes a three-year-old's entire month. There are elephants, lions, penguins, bears, and a brilliant butterfly house.
The size is both the strength and the challenge. It is 600 acres, so you cannot walk the whole thing in a day with a toddler. You need to either drive between sections or be strategic about which areas you visit. But the upside of that size is space. It never feels crowded, the animals look happy, and there is always somewhere quiet to sit and eat a sandwich.
Young Street, Fetcham, Leatherhead KT22 · Map · Website
Bocketts is one of those farms that just gets it right. The animals are friendly and accessible — kids can feed goats, hold guinea pigs, and watch pig racing (yes, pig racing). There are tractor rides, indoor and outdoor play areas, and seasonal activities that change throughout the year. At Easter there are lambs everywhere. In autumn there is a pumpkin patch. It runs like clockwork and the staff genuinely care about making it a good experience for families.
It is not the cheapest day out, but the value is there. You can easily spend four or five hours at Bocketts without running out of things to do, and the combination of animals and play means it works for a wide age range. If Willows is too far north, Bocketts is the south-of-London equivalent and it is every bit as good.
For more ideas closer to home, browse the Little London directory for 160 activities across the city. And if you would rather stay local, our guides to London's best parks and free things to do have plenty to keep you busy without leaving the city.
Explore all 160 activities in the directory →