Our verdict
Built down to a price, but the price is the point. For a flat front lawn under 250m² that gets a weekly cut from April to October, the Princess 38 Li is enough mower. Don't expect it to handle three-week-old growth or anything resembling rough — it's a tidy-up tool, not a workhorse. The Greenworks G24X2LM41 is a better mower for £40 more.
Pros & cons
Pros
- Cheapest cordless from a recognised brand under £350
- 16kg — genuinely light, easy to carry up steps
- Battery shared with Mountfield's hedgetrimmer and blower
- Spare parts at any B&Q
Cons
- 24V is underpowered — bogs in long or wet grass
- No mulching mode
- Plastic deck dents if you hit a stone
Full specs
| Type | Cordless |
|---|---|
| Cut width | 38 cm |
| Engine / Power | Mountfield 24V (4Ah) |
| Weight | 16 kg |
| Deck | Plastic |
| Self-propelled | No |
| Rear roller | No |
| Mulching | No |
| Cutting heights | 6 positions |
| Bag capacity | 40 L |
| Suited to lawn | Small |
| Noise level | 75 dB |
Buying second-hand
Used Princess 38 Lis flood the market every August at £140-180 from people who upgraded to a Flymo robot. Check the battery age — Mountfield batteries die at 3 years regardless of charge cycles. Replacement is £79 from STIGA spares; refuse to pay more than £150 if the battery is over 2 years old.
Where to buy the Mountfield Princess 38 Li
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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 38cm 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 Mountfield Princess 38 Li 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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