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Top five lawn mowers for large gardens

If you have a large garden, investing in a top-rated lawn mower with a wide cutting width can save you some time. See our top picks.

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Lawn mowers built for large gardens over 150 square metres generally have a cutting width of 40cm or more, cutting more grass with each pass than small models. Our expert guide highlights the lawn mowers fit for the job.

As our expert tests have revealed, lawn mowers well-suited to large gardens can cut through grass without much effort, and they'll collect hefty amounts of clippings in one go, so you'll make fewer visits to the compost heap. With the help of our expert reviews, you'll find the perfect lawn mower for you.

Among the lawn mowers designed for large gardens that we've tested are models from Bosch, Flymo, Cobra and John Deere. Keep scrolling to see which lawn mowers have soared through our rigorous tests.

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The best lawn mowers for large gardens

Lawn mowers for large gardens


This lawn mower is a great fit if you have a large garden, and our expert tests found it to be a worthy Best Buy. It's a self-propelled petrol mower that has an easy-to-use push-button start. It has a 51cm cutting width, which means less walking and pushing.


This cordless mower delivers a fantastic cut on all grass types and handles difficult terrain, such as sloping and bumpy ground, well, too. Its self-propulsion and adjustable speed controls make it easy to manoeuvre, and the grass-collection box fills up to an impressive 90% of capacity before it needs emptying.


This petrol model is one of the highest-scoring lawn mowers we’ve tested. It aced our grass-cutting tests; handling long, rough and wet grass with ease, and coped brilliantly on difficult terrain. On top of all that it was awarded full marks for energy efficiency. You’d be hard-pressed to find anything better.


This feature-packed petrol-powered mower comes complete with a roller, variable speed control and deck wash attachment for easy cleaning. It’s easy to use and leaves a brilliant tidy finish on all grass types, though it struggles slightly on uneven and sloping ground, so is best suited to mowing flat lawns.


This powerful self-propelled mower scored top marks across the board in our cutting tests, tackling all grass types, including long and damp grass, with ease. Its grass collection is incredibly efficient, so you won’t need to empty it too often, plus it’s simple to use.

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We review more lawn mowers than anyone else

Which? tests around 3,300 products every year, from washing-up liquid to cars. When testing lawn mowers, we measure how well each one cuts grass – from short, ornamental lawns to long meadow grass. We also time how long it takes to cut the grass, how well the mower collects the grass clippings, how neat it leaves the lawn edges and how smart the finished lawn is. Our experts also rate each lawn mower on how easy is it to use.

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