10 Best 20 Inch Petrol Lawnmower in the UK 2025
Updated on 02/08/2025
#1
Recommended
18% Off
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- 196cc Hyundai 4-stroke petrol engine for easy starting and fuel efficiency
- 508mm (20") cutting width suitable for medium to large lawns
- Self-propelled design eliminates pushing; simply steer the mower
- Adjustable cutting heights for customized lawn finishing
- 70L grass collector with mulching capability reduces emptying frequency
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- 196cc Hyundai 4-stroke petrol engine for easy starting and fuel efficiency
- 508mm (20") cutting width suitable for medium to large lawns
- Self-propelled design eliminates pushing; simply steer the mower
- Adjustable cutting heights for customized lawn finishing
- 70L grass collector with mulching capability reduces emptying frequency
#2
Value for Money
28% Off
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- Cutting width of 460mm / 18" suitable for medium to large lawns
- 139cc Hyundai 4-stroke petrol engine ensures easy starts and efficient fuel usage
- Electric start with a recoil backup for reliable operation
- Self-propelled feature allows for easy steering without manual pushing
- 6 adjustable cutting heights for a tailored lawn finish
- 70L grass collector bag with mulching option reduces disposal frequency
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- Cutting width of 460mm / 18" suitable for medium to large lawns
- 139cc Hyundai 4-stroke petrol engine ensures easy starts and efficient fuel usage
- Electric start with a recoil backup for reliable operation
- Self-propelled feature allows for easy steering without manual pushing
- 6 adjustable cutting heights for a tailored lawn finish
- 70L grass collector bag with mulching option reduces disposal frequency
#3
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- Self-propelled lawn mower with a 51cm cutting width for maneuverability in medium to large gardens.
- Adjustable cutting height with 7 positions from 25mm to 75mm, equipped with 8" front and 10" rear grooved wheels for improved traction.
- Features a 60 litre grass collector that is easy to remove and empty; foldable handles for compact storage and transport.
- Includes a mulching function with a removable plug and a side shoot for versatility in lawn care.
- Comes with a 24-month warranty for domestic use; warranty is void for business or continuous use.
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- Self-propelled lawn mower with a 51cm cutting width for maneuverability in medium to large gardens.
- Adjustable cutting height with 7 positions from 25mm to 75mm, equipped with 8" front and 10" rear grooved wheels for improved traction.
- Features a 60 litre grass collector that is easy to remove and empty; foldable handles for compact storage and transport.
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#4
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- 430mm (17-inch) cutting width suitable for small to medium lawns
- 139cc Hyundai 4-stroke petrol engine for efficient fuel use and easy start
- Self-propelled design allows for effortless steering without pushing
- Five adjustable cutting heights for a customized lawn finish
- 45L grass collector reduces the frequency of emptying
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- 430mm (17-inch) cutting width suitable for small to medium lawns
- 139cc Hyundai 4-stroke petrol engine for efficient fuel use and easy start
- Self-propelled design allows for effortless steering without pushing
- Five adjustable cutting heights for a customized lawn finish
- 45L grass collector reduces the frequency of emptying
#5
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- SELF-PROPELLED DRIVE SYSTEM – Reduces effort and operator fatigue, especially on uneven terrain
- POWERFUL 149CC ENGINE – Cobra DG650 OHV engine delivers reliable performance for consistent cutting
- 20” (51cm) CUTTING WIDTH WITH EDGE TRIMMING – Wider steel deck allows precise mowing close to borders and walls
- 7 HEIGHT SETTINGS FROM 25–75MM – Easily adjust cutting height to achieve the desired lawn finish
- 60L LARGE GRASS BAG WITH AIRFLOW SYSTEM – Efficient grass collection, even in damp conditions, reducing the need for frequent emptying
- VORTEX AIRFLOW COLLECTION SYSTEM – Enhances grass lift and compaction for cleaner results and fewer stops
- 2-YEAR DOMESTIC WARRANTY – Peace of mind with Cobra’s trusted UK-based support and aftercare
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- SELF-PROPELLED DRIVE SYSTEM – Reduces effort and operator fatigue, especially on uneven terrain
- POWERFUL 149CC ENGINE – Cobra DG650 OHV engine delivers reliable performance for consistent cutting
- 20” (51cm) CUTTING WIDTH WITH EDGE TRIMMING – Wider steel deck allows precise mowing close to borders and walls
- 7 HEIGHT SETTINGS FROM 25–75MM – Easily adjust cutting height to achieve the desired lawn finish
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#6
26% Off
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- Self-propelled lawn mower with a 39cm cutting width
- Lightweight chassis for easy maneuverability
- 40L grass collector for convenient disposal
- Adjustable cutting height (22mm to 80mm)
- Stiga ST120 petrol engine (123cc)
- Compact design with foldable handles
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- Self-propelled lawn mower with a 39cm cutting width
- Lightweight chassis for easy maneuverability
- 40L grass collector for convenient disposal
- Adjustable cutting height (22mm to 80mm)
- Stiga ST120 petrol engine (123cc)
- Compact design with foldable handles
#7
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- Self-propelled, lightweight four-wheel mower suitable for smaller lawns, effectively navigating obstacles and cutting a 41cm wide swathe for efficient mowing.
- Features a reliable 132cc 4-stroke engine designed by Webb, ensuring smooth operation with low vibration and fuel consumption.
- Offers 7 adjustable cutting heights from 25mm to 75mm, with options for collecting or rear-discharging grass clippings.
- Equipped with a 45-liter mesh bag that enhances airflow, allowing for fewer emptying interruptions during mowing.
- Includes a 3-year guarantee and access to UK-based customer service for aftercare support.
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- Self-propelled, lightweight four-wheel mower suitable for smaller lawns, effectively navigating obstacles and cutting a 41cm wide swathe for efficient mowing.
- Features a reliable 132cc 4-stroke engine designed by Webb, ensuring smooth operation with low vibration and fuel consumption.
- Offers 7 adjustable cutting heights from 25mm to 75mm, with options for collecting or rear-discharging grass clippings.
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#8
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- Zongshen 171cc 4-stroke engine with recoil pull start for reliable performance.
- Self-propelled drive system reduces user fatigue; soft grip handles enhance comfort during operation.
- 51cm (20") cutting width suitable for medium to large gardens; larger rear wheels effectively navigate uneven terrain.
- 1-lever height adjustment offers 8 settings from 25-70mm; includes speed control lever for ease of use.
- Folding handles enable compact storage; features a 65L grass collection bag for efficient waste disposal.
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- Zongshen 171cc 4-stroke engine with recoil pull start for reliable performance.
- Self-propelled drive system reduces user fatigue; soft grip handles enhance comfort during operation.
- 51cm (20") cutting width suitable for medium to large gardens; larger rear wheels effectively navigate uneven terrain.
- 1-lever height adjustment offers 8 settings from 25-70mm; includes speed control lever for ease of use.
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#9
32% Off
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- 17" cutting width suitable for small to medium lawns
- 139cc Hyundai engine for easy starting and fuel efficiency
- Split rear roller for a traditional striped lawn
- Self-propelled design for effortless steering
- 5 adjustable cutting heights for a customizable finish
- 45L grass collector bag minimizes emptying frequency
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- 17" cutting width suitable for small to medium lawns
- 139cc Hyundai engine for easy starting and fuel efficiency
- Split rear roller for a traditional striped lawn
- Self-propelled design for effortless steering
- 5 adjustable cutting heights for a customizable finish
- 45L grass collector bag minimizes emptying frequency
#10
28% Off
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- 17-inch cutting width suitable for small to medium lawns
- 139cc 4-stroke petrol engine for efficient fuel use
- Electric start with recoil backup for convenience
- Self-propelled design for effortless steering
- 6 cutting height adjustments for optimal lawn finish
- Compact design with foldable handles for easy storage
Read More
- 17-inch cutting width suitable for small to medium lawns
- 139cc 4-stroke petrol engine for efficient fuel use
- Electric start with recoil backup for convenience
- Self-propelled design for effortless steering
- 6 cutting height adjustments for optimal lawn finish
- Compact design with foldable handles for easy storage
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