The UK’s transparent top 3 — aggregated from the web’s best reviews

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The 3 best 40-50cm petrol lawn mowers

← all petrol lawn mowers
Mountfield SP46 Petrol Mower1
Best Overall

Mountfield SP46 Petrol Mower

Mountfield

Medium confidence · 3 sourcesNarrow win — +0.3 pts over #2
86.4
/ 100 · n=548

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Honda HRG416 IZY Petrol Mower2
Runner-up

Honda HRG416 IZY Petrol Mower

Honda

Medium confidence · 3 sources
86.1
/ 100 · n=387

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WE3
Best Value

Webb WER410SP Self-Propelled Petrol Mower

Webb

High confidence · 4 sources
84.7
/ 100 · n=623

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Best 40-50cm Petrol Lawn Mowers (GB) 2026 — Top 3 · OnlyTheBestStuff