Best Petrol Inverter Generators — UK 2026
21 models across three tiers. Pure sine wave. Quiet enough for a suburban garden. Ready when the power goes out.
Camping & Light Use — Up to 2,000W
Compact, quiet and portable. All under 24kg. All pure sine wave. 56–62dB — suburban safe.
Prices correct at May 2026. Always check current price on Amazon before purchasing.
Home Backup — 2,000W to 4,000W
The sweet spot for UK homes. Runs fridge, boiler, home office and microwave simultaneously.
Prices correct at May 2026. Always check current price on Amazon before purchasing.
Power Independence — 4,000W and Above
Whole-home backup. Runs kettles, heaters and power tools. When the lights go out — yours stay on.
Prices correct at May 2026. Always check current price on Amazon before purchasing.
Want the full picture before you buy?
Our complete guide covers how inverter generators work, noise levels, fuel storage, safety and the full comparison table.
Read the Full Inverter Generator Guide →Which Inverter Generator
is Right for You?
Answer 5 questions — we'll match you to the right unit
Top Petrol Inverters — Side by Side Comparison
Click any column header to sort. Click again to reverse. Prices correct at May 2026.
| Image | Model | Brand | Tier | Continuous W | Peak W | Noise dB | Weight kg | Runtime hrs | Price £ | Buy |
|---|
DF = Dual Fuel | ES = Electric Start | ⭐ = Editor's Pick | N/A = Not published by manufacturer
