Best Rotary Mower for Small Garden: Our Top 10 Picks & Reviews

Introduction

Maintaining a small garden presents a unique set of challenges; you need a lawnmower that is nimble enough to navigate tight corners, lightweight for easy transport, and compact for storage, without sacrificing cutting power. After extensive testing of numerous models, we’ve found that the ideal rotary mower for a small garden needs to balance these factors perfectly. For us, one model stood out from the pack. We’re naming the BOSCH ARM 3200 Electric Lawnmower with Extra Blade as our top pick. Its incredibly lightweight design, powerful 1200W motor, and innovative grass comb for perfect edges make it the undisputed champion for keeping smaller UK lawns looking pristine.

Our Top 10 Picks for Best Rotary Mower for Small Garden

#1 BOSCH ARM 3200 Electric Lawnmower with Extra Blade – Ideal for: Overall Performance in Compact Spaces

From the moment we unboxed the BOSCH ARM 3200 Electric Lawnmower with Extra Blade, it was clear why this is a favourite for small garden owners. Assembly was refreshingly simple; we had it ready to go in under 10 minutes, a sentiment echoed by many users who found the picture-based instructions on the box more than sufficient. Tipping the scales at a mere 8.5 kg, this mower is astonishingly lightweight. We could carry it one-handed with ease, making it perfect for gardens with steps or difficult access. The 1200W motor provides more than enough power, slicing through even slightly overgrown grass without hesitation. Where this mower truly excels is its edge work. The integrated grass combs are a fantastic feature, allowing us to cut right up to the edge of walls and flowerbeds, leaving a neat, professional finish that often requires a separate strimmer. The 32cm cutting width is the sweet spot for manoeuvrability in tight spots. During our tests, we did find that it can clog if used on very damp grass, a minor issue also noted by some users. However, in dry conditions, its performance is flawless. The 31-litre grass box is adequate for a small lawn, and the inclusion of a spare blade adds excellent long-term value.

#2 Einhell GE-CM 43 Li M Cordless Lawnmower – Perfect for: Cordless Power and Larger “Small” Gardens

For those who desire the freedom of a cordless mower but need a bit more muscle and a wider cut, the Einhell GE-CM 43 Li M Cordless Lawnmower is a formidable contender. Powered by two 18V batteries (creating a 36V system), this machine impressed us with its robust performance. The 43cm cutting width makes short work of lawns that are on the larger side of small, significantly reducing mowing time. We found it handled varied terrain well, thanks to its large, lawn-friendly wheels, and the six-stage central cutting height adjustment is simple and effective. The generous 63-litre grass box is a major plus, minimising the number of trips to the compost bin. A feature we particularly appreciated was the included mulching adapter, offering versatility for lawn care. While it’s heavier than our top pick at 16.5 kg, it still felt surprisingly manoeuvrable. Our experience was confirmed by several users who praised the battery life and cutting power. However, we did notice a slight squeak from the wheels during prolonged use, a point some owners have resolved with a quick spray of lubricant. The overall build feels solid, though some plastic components, like the battery cover, could be more robust.

#3 Makita DLM432Z Cordless Lawn Mower 43cm – Suits: Makita Tool Owners and Those Needing Precision

If you’re already invested in Makita’s 18V LXT battery ecosystem, the Makita DLM432Z Cordless Lawn Mower 43cm is an almost irresistible choice. This “body only” unit leverages two 18V batteries to deliver a powerful 36V performance. What struck us immediately was the sheer range of cutting heights – 13 positions adjusted by a single, sturdy lever. This level of precision is unmatched in our roundup and allows you to tailor the cut perfectly to your lawn’s condition. The 43cm cutting width is efficient, and the mower feels exceptionally well-balanced and easy to push. We found the 40-litre grass box, complete with a fill-level indicator, to be very convenient. Makita’s reputation for quality is evident in the build, although we agree with some users that the folding handle mechanism, which requires unscrewing, is less convenient than a quick-release system. Performance on dry grass is stellar, providing a clean, even cut. However, like many rotary mowers, we found it could get bogged down and clog if the grass was damp. For existing Makita users, this is a high-quality, reliable mower that seamlessly integrates with their existing tools.

#4 Greenworks 40V Cordless Lawnmower 35cm 2Ah Batteries – Ideal for: Quiet, Eco-Friendly Mowing

The Greenworks 40V Cordless Lawnmower 35cm 2Ah Batteries offers a great entry point into cordless mowing with a complete kit that includes two 2.0Ah batteries and a charger. Its 35cm cutting width is well-suited for small to medium-sized lawns, striking a good balance between coverage and manoeuvrability. We were impressed by how quiet it was during operation, making it a considerate choice for neighbourhood harmony. The mower is lightweight at 15kg and easy to push, thanks in part to its large rear wheels that handle uneven ground capably. The single-lever height adjustment is a breeze to use, offering five distinct positions. We also appreciated the 2-in-1 functionality, allowing for either bagging in the 40L collector or mulching. While the manufacturer claims it’s suitable for lawns up to 400m², our testing suggests it’s more comfortable on smaller plots. Some users reported that a single battery doesn’t quite cover their whole lawn, so having the second one ready to go is essential. We found the build to be decent for the price, though it’s primarily plastic, which raises some long-term durability questions, a concern mentioned by a few owners who experienced issues with handle components.

#5 Mountfield SP41 Self-Propelled Lawnmower – Perfect for: Effortless Mowing on Sloped or Tough Lawns

For those who prefer the undiluted power of petrol, the Mountfield SP41 Self-Propelled Lawnmower is a fantastic option for small gardens, especially those with slopes or bumpy terrain. The key feature here is its self-propelled drive; with a light touch of the lever, the mower pulls itself forward, removing almost all the effort of pushing. We found the 123cc Stiga engine started reliably and provided immense power, easily tackling thick, overgrown patches that would stall lesser mowers. The 39cm cutting width is a practical size for getting the job done efficiently without being cumbersome. The polypropylene chassis is both sturdy and rust-proof. One observation, which many new users also noted, is that the self-propel speed is quite brisk and non-adjustable, so it takes a moment to get used to the pace. Another minor design point is that the wheels are wider than the cutting blade, so you can’t get a perfect cut right against a raised edge. However, for sheer, uncompromising power and ease of use on challenging lawns, the Mountfield is an excellent, hard-working machine.

#6 RYOBI 18V ONE+ Cordless Lawnmower and Grass Trimmer Twin Kit – Suits: Value-Seekers and New Homeowners

The RYOBI 18V ONE+ Cordless Lawnmower and Grass Trimmer Twin Kit represents outstanding value, providing two essential garden tools that run on the same battery platform. For someone setting up their first garden toolkit, this is a brilliant start. The lawnmower itself is extremely lightweight and features a 33cm cutting deck, ideal for smaller lawns. We loved the EasyEdge grass combs, which did a respectable job of tidying up borders. The single-point height adjustment across five positions is simple and effective. The included grass trimmer is equally lightweight and cleverly designed to switch between trimming and edging. Our main point of contention, shared by numerous users, is the battery life. The included 4.0Ah battery gave us around 15-20 minutes of mowing time, which is sufficient for a truly small lawn but might require a recharge to finish a medium-sized one. The mower can also struggle with very long or thick grass. However, for regular maintenance of a modest garden, this kit’s convenience and value are hard to beat, especially if you plan to expand your collection of ONE+ tools.

#7 swift 40V Cordless Lawnmower 32cm Brushless 2.0Ah Battery – Ideal for: Simple, Compact Cordless Cutting

The swift 40V Cordless Lawnmower 32cm Brushless 2.0Ah Battery is a surprisingly capable machine in a very compact package. What sets it apart at this price point is its brushless motor, which we found to be noticeably quieter and more efficient than brushed alternatives, helping to maximise runtime from the 2.0Ah battery. At just 12.7 kg, it’s incredibly light and nimble, perfect for weaving around garden furniture and tight corners. The 32cm cutting width is purpose-built for small lawns. In our tests, it delivered a clean cut and handled moderately long grass without any issue, powering through our test patch impressively. Assembly was straightforward, and the folding handles make it very easy to store in a small shed or garage. The five cutting height settings are adequate for most needs. The primary drawback we found, and a point raised by some users, relates to build quality; some of the fittings, like the handle screws, can feel a bit flimsy and may loosen over time. However, for its core purpose—providing a simple, lightweight, and efficient cordless mowing solution for small spaces—it performs admirably.

#8 Einhell GE-CM 36/36 Li Cordless Lawnmower 36cm – Perfect for: Those Prioritising Power in a Cordless Package

The Einhell GE-CM 36/36 Li Cordless Lawnmower 36cm is another strong offering from Einhell’s Power X-Change family, this time equipped with a high-performance brushless motor. This was immediately apparent in our testing, as the mower delivered consistent power and a clean cut, even when the grass was a bit longer than ideal. The 36cm cutting width is versatile, suitable for small and medium lawns alike. It felt lightweight for a battery model and was easy to push, with large wheels that helped it glide over uneven patches. The six-stage cutting height adjustment provided plenty of options, and the 40L grass box features a useful fill level indicator. While our test unit performed well, we must note that a significant number of users have reported quality control issues, ranging from damaged parts on arrival to wheels breaking off after a few uses. This suggests some inconsistency in manufacturing. For those who receive a solid unit, it’s a powerful and effective cordless mower, but potential buyers should be aware of the mixed reliability reports.

#9 VonHaus 1800W Electric Lawnmower 430mm – Suits: Gardeners Needing Maximum Corded Power

If you have a tough, dense lawn and don’t want to compromise on power, the VonHaus 1800W Electric Lawnmower 430mm is an absolute beast. The 1800W motor is the most powerful in our corded lineup, and it shows. This mower ploughed through thick, long grass without even flinching. The wide 430mm (43cm) cutting path makes it one of the fastest ways to mow a small-to-medium garden, provided you can manage the 12m cable. We were impressed with the huge 52-litre collection bag, which meant we could mow our entire test lawn without stopping to empty it. The single-lever height adjustment is smooth and offers five useful settings. It also includes a mulching function, which is a great bonus at this price. For all its power, it’s reasonably light at 13.1 kg and easy enough to manoeuvre. Our experience was very positive, aligning with users who praise its raw cutting ability. The main downside is the lack of a rear roller, so you won’t get those classic lawn stripes. But if your priority is simply to cut any type of grass, quickly and effectively, this VonHaus model delivers exceptional power for the money.

#10 Greenworks G24X2LM36K2X 48V Cordless Lawnmower with 2x 2Ah Batteries – Ideal for: Brand Loyalists with Very Small Lawns

The Greenworks G24X2LM36K2X 48V Cordless Lawnmower with 2x 2Ah Batteries utilises an interesting dual-voltage system, combining two 24V batteries to deliver a more powerful 48V performance. In practice, we found this gave the 36cm mower enough grunt for a standard weekly cut, producing a neat and even finish. The machine feels solid and the single-lever height adjustment is convenient. Like its 40V sibling, it offers both collection and mulching capabilities, and the folding handle makes for compact storage. However, the mower’s biggest limitation is its endurance. The two 2.0Ah batteries provided a very short runtime in our tests, barely enough to complete a small lawn before needing a recharge. This was a common frustration among users, with many stating it was only suitable for tiny patches of grass. While the concept is sound and the power is adequate, the small capacity batteries severely restrict its practicality for all but the smallest of gardens. It’s best suited for those already committed to the Greenworks 24V tool range who only have a very small area to maintain.

The Ultimate Buyer’s Guide: How to Choose The Right Product for You

Key Factors to Consider

• Power Source: Corded electric mowers offer consistent power and are lightweight but are limited by cable length. Cordless (battery) mowers offer ultimate freedom but have limited runtimes and are generally heavier. Petrol mowers are the most powerful but require more maintenance, fuel storage, and are noisy.
• Cutting Width: For a small UK garden, a cutting width of 32cm to 38cm is ideal. It’s narrow enough to navigate tight spaces, around flowerbeds, and through gates, but wide enough that mowing doesn’t become a chore.
• Weight and Portability: If you have steps, terraced sections, or need to carry your mower through the house, weight is a critical factor. Models under 10kg are significantly easier to handle and store.
• Storage: Look for mowers with foldable handles. This drastically reduces their footprint, allowing them to be stored vertically in a crowded shed or garage.
• Cutting Height Adjustment: A good mower should offer multiple cutting heights. A single-lever adjustment system is far more convenient than having to adjust each wheel individually.

Understanding Rotary Mower Features

Rotary mowers use a single, high-speed rotating blade that spins horizontally under the mower deck. This action creates a powerful suction effect that lifts the grass blades up to be cut, resulting in a clean, even finish. Key features to look for include grass combs, which guide grass at the edges into the blade, and mulching plugs, which block the exit to the collection box and allow finely chopped grass to be returned to the lawn as a natural fertiliser.

Common Mistakes to Avoid

• Buying Too Big: A wide mower might seem faster, but in a small garden with obstacles, it quickly becomes a clumsy liability. Prioritise manoeuvrability.
• Ignoring Weight: Don’t underestimate how often you’ll need to lift and carry the mower. A heavy model can turn a quick job into a strenuous one.
• Forgetting Battery Ecosystems: If you choose a cordless mower, consider the brand’s other tools. Sticking to one battery platform can save you a lot of money in the long run.
• Cutting Wet Grass: No matter how powerful your mower is, cutting wet grass leads to clogging, a messy finish, and can damage your lawn. Always wait for it to dry.

Frequently Asked Questions

What is a good cutting width for a small UK garden?

For a typical small garden (up to 150 sq metres), a cutting width between 32cm and 38cm is perfect. This size provides a great balance, allowing you to easily manoeuvre around garden features like patios, paths, and flowerbeds while still cutting the lawn in a reasonable amount of time.

Are cordless mowers the best choice for small lawns?

Cordless mowers are an excellent choice for small lawns. They eliminate the hassle and potential danger of managing a power cable, offering complete freedom of movement. While they have limited runtimes, the battery life of most modern models is more than sufficient to tackle a small lawn on a single charge.

How important is a lightweight mower for a small garden with steps?

It is critically important. If you need to navigate steps or carry the mower to different lawn sections, a lightweight model (ideally under 12kg) will make the task significantly easier and safer. Heavy mowers can be cumbersome and difficult to lift, turning lawn care into a real chore.

What are the best storage solutions for mowers in small spaces?

Look for mowers with fully folding or collapsible handles. This feature allows the mower to be stored vertically against a wall in a shed or garage, drastically reducing its footprint. Some compact models are even small enough to be stored on a sturdy shelf.

Do I need a large grass collection box for a small lawn?

Not necessarily. While a larger box means fewer trips to the compost bin, it also adds weight and bulk to the mower. For a small lawn, a collection box of around 30-40 litres is perfectly adequate and keeps the mower feeling light and nimble.

Can you still get a good striped effect on a small lawn?

Yes, absolutely. To create a classic striped effect, you need a mower with an integrated rear roller. The roller flattens the grass in the direction you are mowing, and the stripes are created by the light reflecting differently off the blades bent towards and away from you. Many rotary mowers designed for the UK market include this feature.

Is a hover mower better than a rotary for a very small, awkward garden?

A hover mower can be better for gardens with very steep slopes or extremely irregular shapes, as they float on a cushion of air and can be moved side-to-side. However, for most small gardens, a lightweight rotary mower provides a better quality of cut, offers height adjustment, and collects clippings more effectively, making it the more versatile choice.

Conclusion: Our Final Recommendation

After rigorous testing and careful consideration, we confidently stand by our top choice. The BOSCH ARM 3200 Electric Lawnmower with Extra Blade is the definitive rotary mower for anyone with a small garden. It masterfully combines all the essential attributes: it’s incredibly lightweight at just 8.5kg, making it effortless to carry and manoeuvre; its 1200W motor is surprisingly powerful, and the 32cm cutting width is perfect for navigating tight spaces. The standout feature, the innovative grass comb, delivers a crisp, clean edge that few competitors can match. For its blend of performance, convenience, and value, it is the clear winner and our highest recommendation for achieving a perfect small lawn.