Our verdict
The smart budget cordless. Genuinely usable for small lawns and the included batteries cross to Worx tools you may already own. Outclassed at £400+ but unbeatable value at £200 new.
Pros & cons
Pros
- Cheapest 40V cordless complete with batteries
- Worx PowerShare 20V tools cross-compatible
- Light and compact
- 3-year Worx warranty new
Cons
- 34cm cut very narrow
- Plastic build
- Worx batteries do not hold value
Full specs
| Type | Cordless |
|---|---|
| Cut width | 34 cm |
| Engine / Power | Worx 40V (2x 20V) |
| Weight | 15 kg |
| Deck | Plastic |
| Self-propelled | No |
| Rear roller | No |
| Mulching | Yes |
| Cutting heights | 6 positions |
| Bag capacity | 30 L |
| Suited to lawn | Small |
| Noise level | 75 dB |
Buying second-hand
£60–130 used. Check both batteries individually as with any twin-battery design. The plastic deck cracks if used on uneven ground — flip it and look for hairlines around the blade mount. Worx batteries are heavily counterfeited — only buy from sellers with original receipts.
Where to buy the Worx WG779E
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Repair-cost reference
UK 2026 ballpark prices for the parts you're most likely to need on this mower. OEM is dealer-genuine; aftermarket is what you'll find on eBay or generic small-engine suppliers. Use these to sense-check any quote and to negotiate on used buys.
| Part / job | OEM | Aftermarket |
|---|---|---|
|
Replacement 34cm blade
Annual sharpening is free; replace when bent or cracked.
|
£24–£32 | £8–£12 |
|
Replacement battery
Wear part — typical 3–5 years to 80% capacity. The biggest single repair cost on any battery mower.
|
£90–£180 | £55–£120 |
Fair-offer calculator
Tell us about a specific used listing for the Worx WG779E you're looking at. We'll compute a fair offer range from our used-market data and the condition signals you provide.
Calculations are guidance, not gospel. Used-market prices vary by region (Scotland is typically 10–15% cheaper than the South-East), season (October cheapest, March most expensive), and seller motivation.
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