Looking for a cordless lawn mower under £300 that actually gets the job done? You're in the right place. This isn’t just another list – it’s a straightforward, hands-on guide to battery-powered mowers that genuinely balance convenience, power, and value on real British lawns.
Why Cordless Lawn Mowers?
Let’s be honest: the appeal is obvious. No more wrestling with extension leads, dealing with fuel spills, or shouting over a petrol engine. Cordless mowers really do offer a sense of freedom. But, as anyone who’s used one will tell you, they also bring their own decisions to the table: battery size, run time, charging speeds, and whether the mower has enough muscle for your patch of grass.
Who Are These Mowers For?
The models featured here are all under £300 (at the time of review) and best suited to small or medium-sized gardens the sort most of us have. If you want a mower that’s easy to store, simple to use, and doesn’t need ear defenders, these are worth considering. The goal isn’t brute force, but hassle-free mowing you can actually look forward to.
What Actually Matters?
From experience, the brand behind the mower matters more than you might think. Batteries and chargers are the pricey part, and established brands usually offer better support if something goes wrong. A good warranty isn’t a luxury at this price point, it’s essential. Two years is the minimum I’d accept, and anything longer is a real bonus.
As for battery size, most smaller gardens won’t need massive 5Ah batteries or complicated twin packs. Regular mowing with a 2Ah or 4Ah battery is often enough. After all, the whole point is to make life easier, not to lug around extra weight or wait ages for a charge. Cordless mowers are quieter and lighter, but they won’t turn wild grass into bowling greens overnight. They shine when you mow little and often.
A List Built on Real-World Use
I’ve included a mix of trusted brands, quieter models, and a few that are both budget-friendly and a cut above the rest. Every mower here is a bit of a trade-off, and I’ll be upfront about the compromises. If you want to mow without the stress of tangled cords or petrol fumes, going cordless can be a smart move as long as you keep your expectations grounded.
Top Cordless Lawnmowers Under £300
#1, Spear & Jackson 37cm Cordless 36V Lawnmower
If you’re still on the fence about cordless mowers, the Spear & Jackson 36V is the kind of model that might just win you over. It’s genuinely impressive how much punch you get from this machine, there’s a sense that it’s more than enough mower for most people’s needs, and then some.
The real draw here is the pair of 4Ah batteries. It’s a set-up that takes the hassle out of mowing: while one battery is charging, you can get straight back out with the other, so you’re not left hanging around when there’s still grass to tackle. This is far more useful in practice than those big voltage numbers you see splashed across the box, especially if your garden is edging towards a medium or even large size.
The 37cm cutting width seems to hit the sweet spot you cover plenty of ground without feeling like you’re wrestling a tank around borders or tight corners. With five different cutting heights, you can easily adapt to whatever the Irish weather throws at your lawn, and the rear roller gives a subtle striped effect that looks sharp without being over the top.
The 40-litre grass box is generous, so you’re not emptying it every five minutes, and the mulching function is really handy if you like the idea of just letting the clippings feed your lawn. At just over 12kg, you’ll notice the weight, but it’s more reassuring than cumbersome it feels steady and well made. Add in the three-year warranty, and you’ve got a mower that inspires real confidence, which isn’t always a given at this price.
All in all, I’d happily recommend this to anyone looking for cordless convenience but who doesn’t fancy constantly watching the battery meter. It’s not the cheapest, but it feels like a sensible investment something you’ll be glad you have for the long run.
#2, Greenworks 40V Cordless Lawnmower
Greenworks has really earned its stripes when it comes to battery-powered tools, and this mower is a great example of what they do well. If you’re already using other Greenworks gear, the 40V battery system just makes sense it’s consistent, straightforward, and feels like it’s been properly thought through.
Out of the box, you get two 40V 2Ah batteries. In real-world terms, that’s usually enough juice to get through a lawn of up to about 400 square metres, as long as you’re not dealing with a jungle. For most people who keep on top of their mowing, the runtime should be more than enough. If you let the grass get out of hand, you’ll drain the batteries quicker but honestly, that’s true for pretty much any cordless mower.
The 35cm cutting width strikes a nice balance for smaller and medium gardens. It’s easy to steer and doesn’t feel bulky, especially with the big rear wheels gliding over bumps and uneven bits. Adjusting the cutting height is a breeze thanks to the single lever five settings mean you can quickly switch things up depending on the season or the look you’re after.
The grass bag is a decent size at 40 litres, so you’re not stopping every few minutes to empty it, and there’s a mulching option if you’d rather skip the clippings altogether and just feed your lawn as you go. Weighing in at 15kg, it’s not the lightest mower out there, but the weight is nicely balanced, so it doesn’t feel like a chore to push around.
All in all, this mower makes a lot of sense if you’re invested in the Greenworks ecosystem or just want something reliable for the long haul. It might not be the flashiest bit of kit, but sometimes you just want something that gets the job done without any fuss and that’s exactly what this delivers.
#3, Worx WG779E.2 40V 34cm Cordless Lawnmower
The Worx WG779E.2 is one of those cordless mowers that actually seems built for real back gardens, not just for ticking boxes in a spec sheet. It’s compact, neat, and feels purpose-made for small and medium lawns where having something that’s easy to store and use matters just as much as having loads of raw power.
It runs on two 20V batteries, so you get a decent 40V punch, and if you already have other Worx kit at home, their PowerShare system is a real winner. Being able to swap batteries across tools just makes sense, especially at this price point. For most people, you’re looking at enough battery life to handle up to about 230 square metres so long as you keep on top of the grass and don’t try to mow when it’s soaking wet.
The 34cm cutting width is pretty spot-on for the size of gardens it’s made for. The cut-to-edge design does help cut down on the amount of strimming you’ll need to do afterwards, even if you’ll still have a bit of tidy-up to do. There’s a striped roller at the back as well, which adds a nice touch even if the stripes are more subtle than dramatic.
It’s easy to handle, weighing in at around 12kg, so you can push it around without feeling like you’re wrestling with it, but it’s not so light that it feels cheap. Adjusting the height is a doddle thanks to a single lever, and you’ve got enough options to cover you all year round. The 30-litre grass box isn’t huge, but that’s par for the course with a mower this size.
All things considered, I’d say this is a great pick for anyone who wants a mower that’s easy to store, flexible with batteries, and simple to use. It’s not going to cope with wild, overgrown lawns or massive gardens, but if you’re sticking to regular cuts in a typical Irish back garden, it does the job very nicely.
#4, Flymo EasiStore 34cm Cordless Rotary Lawnmower
Flymo really gets what most people need the EasiStore 340R just feels right at home in a typical UK or Irish garden. It’s practical and straightforward, with no unnecessary fuss, and the way it’s designed to save space is a real bonus if your shed or garage is already packed. With two 18V batteries giving you 36V of power, it’s well suited for small to medium-sized lawns. The battery life is grand for regular mowing sessions, but, like most cordless models, it’s not one for tackling thick, wet grass consistency is the key here.
The 34cm cutting width strikes a nice balance between being easy to handle and still getting the job done efficiently. It’s great around edges, and the rear roller gives your lawn those neat stripes with hardly any extra effort something Flymo seems to do better than most in this price bracket. The 35L grass box is simple to empty and cleverly put together to help keep grass clippings off your shoes. Adjusting the cutting height is quick and easy with a single lever, and the dual handles are comfortable whether you’re left or right-handed.
But where the EasiStore really shines is, well, storage. It stands upright, so it barely takes up any room a real lifesaver if space is tight. At just over 11kg, it’s also one of the lighter cordless mowers out there, making it easy to move around or lift onto a shelf. All things considered, it’s a solid pick for anyone with a smaller garden who values convenience and doesn’t want their mower to be a hassle to use or store.
#5, Bosch Cordless 18V CityMower
If you’re tempted to think that bigger numbers always mean a better mower, the Bosch CityMower is here to prove otherwise. It runs on a single 18V 4Ah battery which might sound a bit modest at first but in reality, it’s surprisingly capable if you’ve got the right sort of garden.
Bosch has clearly built this one with small to medium urban lawns in mind, and honestly, that focus works in its favour. The 32cm cutting width keeps it really nimble, so it’s a doddle to steer around tight corners, along paths, and up against awkward edges. The grass combs are genuinely handy they actually help the blades get closer to walls and fences, which means you’ll spend less time faffing about with a trimmer afterwards.
As for how long it runs, Bosch keeps things realistic rather than making wild claims. On a lawn that gets cut regularly, you’ll easily cover up to about 300 square metres before it needs a recharge. Try pushing it through long or soggy grass, though, and you’ll soon find its limits but honestly, that’s par for the course with any single-battery mower at this price.
What really makes this mower stand out is how comfortable it is to use. The Ergoflex handles are genuinely easy on your arms and back, especially if you’re out there for a while. Weighing in at under 10kg, it’s one of the lightest cordless mowers around, so lifting and storing it couldn’t be simpler.
The 31L grass box isn’t massive, but it’s big enough for most jobs, and adjusting the cutting height is quick and hassle-free. Overall, I reckon this mower is spot on for anyone who values ease of use, light weight, and fuss-free performance over pure power. It might not set your pulse racing, but it’s classic Bosch reliable and straightforward.
#6, Einhell 34cm 36V Cordless Rotary Lawnmower
If you’re after a good value cordless mower, it’s easy to see why Einhell has made a name for itself in this space. The RASARRO 36/34 is a great example of what you get for your money especially if you like the idea of tapping into a bigger battery family.
This mower uses two 18V batteries together, delivering a proper 36V punch, and you really notice that extra bit of oomph compared to the single-battery options. It does a better job than most small cordless mowers when it comes to tackling thicker grass, as long as you’re not expecting miracles. Like most mowers in this range, it’s happiest if you keep on top of your mowing rather than letting things get completely out of hand.
The 34cm cutting width is just right for small to medium lawns, and I really appreciate the five-step central height adjustment it goes from 25mm up to 65mm, so there’s plenty of choice whether you like your grass short or want to leave it a bit longer at different times of the year.
Handling-wise, it’s a bit heavier than some other compact models at almost 14kg, but that extra weight isn’t really an issue. The high rear wheels make a noticeable difference on bumpy lawns, and the handle adjusts easily so you can find a position that suits you. The 30L grass box is perfectly practical and even has a fill indicator, which is a handy touch (no guessing if it’s time to empty).
Honestly, if you’ve already got other Einhell Power X Change tools, this mower’s a bit of a no-brainer. It’s a solid all-rounder good value, cuts well, and you can swap batteries with your other gear. Plus, it does all that without crossing over the £300 mark, which is always a bonus.
#7, LawnMaster MX 24V 34cm Cordless Lawnmower
If I had to pick the most sensible package from this list, the LawnMaster MX 24V 34cm really stands out especially if you care more about how long the battery lasts than flashy power specs. It’s refreshing to see they include two 24V 4.0Ah batteries and a fast charger, which is much more useful in practice than any marketing talk about voltage. Swapping batteries mid-mow takes away that usual worry about running out of juice, particularly if your lawn is on the larger side of ‘small to medium’.
When it comes to cutting, it does a solid job without being overly aggressive. The 34cm deck and carbon steel blade get the basics right, and the six cutting heights from 20mm up to 70mm mean you can adjust easily through the seasons. The clever battery management isn’t just a gimmick either; it actually helps keep power steady when the grass gets a bit tougher, though, like most mowers in this class, it won’t be thrilled about tackling really long or wet grass.
The rear roller is a lovely touch for the price, giving your lawn crisp stripes you probably wouldn’t expect from a compact mower. Mulching is another handy feature they’ve included it as standard, which is rare at this price and it’s great for feeding clippings back into the lawn during dry spells. In terms of handling and storage, it’s hard to fault: at about 11.4kg it’s easy enough to move around, the handles fold up neatly, the grass box collapses flat, and it genuinely stores upright without any fuss.
If you’re after a mower that delivers solid features, reliable performance, and good value without paying a premium for a fancy badge, this one’s a smart pick.
Final Recommendations
If you’re just after the quick lowdown, here’s my honest take on how these seven mowers really compare when you put them to work in an actual garden:
- Best for very small gardens and easy handling: The Bosch CityMower 18V is the one to beat if you want something feather-light, straightforward, and genuinely comfortable to use. It’s perfect for well-kept lawns up to about 250 to 300 square metres, especially if you’re short on storage space.
- Best for value and battery ecosystem buyers: If you’re already kitted out with Power X Change tools, the Einhell 36V 34cm is a bit of a no-brainer. It’s got decent muscle for thicker patches of grass and offers solid value without nudging into the pricier end of things.
- Best for neat edges and striped finish under £200: The Worx WG779E.2 really shines if you’re fussy about edging and love the look of stripes. Thanks to its cut-to-edge design and rear roller, it’s a smart pick for tidy gardens where the finish matters more than brute strength.
- Best for compact storage and ease of use: Tight on shed space? The Flymo EasiStore 340R is designed with you in mind. It stores upright without a fuss and is a breeze to manoeuvre, making it perfect for city gardens.
- Best balanced bundle with spare battery included: The LawnMaster MX 24V 34cm has one of the most sensible setups here. You get two batteries, a rear roller, a mulching option, and a steady, practical power delivery. It just feels like a safe, well-rounded choice for most small to medium lawns.
Final Word
If you’re dealing with a lawn that’s over 400 square metres, grows quickly, or tends to stay damp, these cordless mowers might start to feel like a bit of a slog. In that case, it’s probably worth looking at something with a wider cutting deck or a beefier battery setup.
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