Verdict
Cobra HM381 review (2026, UK)
Our Cobra HM381 review (2026, UK): Environmentally conscious homeowners with small, flat lawns looking for a classic striped finish.. We tested the HM381 on real UK lawns to see whether it earns a place in 2026's shortlist — below you'll find our verdict, full specs, pros and cons, live UK prices, and how the HM381 compares with other Cobra mowers.
Our editorial rating: 4.4/5 · Tested by Garden-Review for UK gardens.
Where to Buy
Mowers Online£79.14As an affiliate partner, we may earn from qualifying purchases. Prices shown are approximate and may vary.
Overview
Choose the environmentally friendly way to mow your lawn with this Cobra hand mower. The Cobra HM381 is light to push at only 8.5kg and has a cutting width of 38cm / 15″.Suited to small lawns the HM381 uses a 5 bladed cutting cylinder which can be adjusted down to 13 mm for the closest cut. Grass clippings are collected into the fabric grass bag. The bag clips easily onto the rear of the mower. The mower comes supplied with a rear roller for creating the traditional striped lawn and this also supports the mower enabling you to cut to the edge of borders and flowerbeds.Specifications
Key Features
- 5-blade cylinder cutting system
- Rear roller for striped finish
- 4-stage adjustable cutting height (13mm - 38mm)
- 26-litre grass collector included
- Soft grip ergonomic handle
Cobra HM381 Pros & Cons
Pros
- Zero running costs and environmentally friendly
- Quiet operation allows for mowing at any time
- Lightweight and easy to store
- Produces a high-quality, precise cut for a healthier lawn
Cons
- Requires physical effort to push, especially on thicker grass
- Not suitable for long or wet grass
- Small grass collection bag requires frequent emptying
Technical Specifications
| Type | Cylinder Mower |
| Power | Push Reel |
| Cutting Width | 38 cm |
| Self-Propelled | No |
| Mulching | No |
| Grass Collection | Yes |
| Rear Roller | Yes |
| Garden Size | medium |
| Terrain | flat |