Best Robot Lawn Mowers for Large Gardens

A robot mower could be the answer if you’re fed up with spending hours mowing your garden. However, not every model is built for large spaces. Choosing the right robot mower for a big garden means understanding the differences in power, features, and coverage. For a deeper dive, see our guide on how to choose the best robot grass mower.

This guide breaks down what matters when buying a robotic mower for a large garden in the UK, which models to consider, and how to avoid costly mistakes. You can also explore the benefits of switching to robotic mowing for a full overview of why they’re becoming so popular.

---

What Counts as a “Large” Garden?

In the world of robot mowers, anything over 800m² is considered large. Some domestic models can handle up to 2,000m², while commercial-grade machines can cover 10,000m²+. Always measure your total mowing area before you buy. You can use GroundTech’s free lawn size measuring tool for an accurate reading.

---

What to Look for in a Robot Mower for Large Gardens

1. Coverage Capacity (m²)

Each mower is rated for a maximum lawn size. Overworking a mower below spec leads to missed patches, battery strain, and poor results. Match the mower’s capacity to your total garden size, including any connected zones.

2. Navigation System

Basic robot mowers use boundary wires. Advanced models use RTK GPS or camera navigation, ideal for open, complex, or sloped gardens. You can read more about how GPS navigation helps robot mowers.

• RTK GPS: Offers pinpoint accuracy without boundary wires. Great for larger gardens.
• OAS (Obstacle Avoidance System): Uses sensors to avoid trees, pets, and furniture.

3. Battery Life & Charging Time

A larger battery means longer mowing sessions and fewer returns to the dock. Look for models that balance long runtimes with short recharge cycles.

4. Cutting Width & Height Adjustment

Wider cutting decks cover more ground per pass. Adjustable height settings help with seasonal changes and different lawn types.

5. Multi-Zone Support

Some properties have separate lawn areas. Multi-zone robot mowers let you program and manage each one from a single device.

6. Weatherproofing & Terrain Handling

UK weather can be unpredictable. Make sure the model is rated for wet conditions and can handle uneven terrain or slopes if needed.

7. Smart Features

• App control
• Schedule settings
• Anti-theft GPS tracking
• Voice assistant integration (optional)

---

Top Robot Mowers for Large Gardens (UK Picks)

1. Sunseeker Elite X5 – Powerful RTK robot with Vision AI and multi-zone scheduling. Excellent for varied terrain up to 2,000m².
2. Sunseeker Elite X7 / X7 Plus – Built for very large or multi-field properties. Covers up to 10,000m² with dual cutting decks, RTK, and full AWD control.
3. Kress KR122E Mission 1500 – Great mid-range choice for residential gardens up to 1,500m². Offers solid cutting performance with side-trim capability and obstacle avoidance.
4. Kress KR123E Mission 2000 – Reliable for complex lawns up to 2,000m². Manages slopes and tight spaces well with excellent app control.
5. Kress KR133E Mega 4400m2 – Heavy-duty option for large private gardens. Wide deck and long battery life keep mowing efficient.
6. Kress KR171E RTK Mission 1500m2 – Affordable RTK-powered mower for homeowners. Precise navigation without boundary wires.
7. Kress KR172E Mission RTK 2000m2 – Smart step-up for larger lawns. Handles irregular layouts and obstacles with ease.
8. Kress KR172E.A RTK 3000m2 + OAS – Adds obstacle avoidance to the powerful 3,000m² spec. Ideal for gardens with trees or outdoor furniture.
9. Kress KR173E Mission RTKn 3000 – Premium solution for high-spec domestic use. Combines RTKn with ultra-quiet operation and efficient route planning.
10. Kress KR174E Mission RTKn 5000 – Serious capacity and satellite accuracy. Great for anyone managing multiple lawns or large open spaces.

---

FAQs About Large Garden Robot Mowers

Do I need a mower with RTK or boundary wire?

If your garden is simple and under 1,000m², a wire-based model may be fine. For complex layouts or large gardens, RTK or GPS navigation is worth the extra investment. If you’re going wire-free, this setup guide on installing robot mowers without a perimeter wire might help.

Will it cut all zones of my garden?

Only if the mower supports multi-zone management. Otherwise, you’ll need to manually move the mower or install extra docking stations.

Can I install it myself?

Yes, but for larger gardens, professional installation may save time and hassle, especially for RTK models.

Are robot mowers safe for pets and kids?

For a full breakdown of how these mowers function safely and efficiently, see our post on how robot lawn mowers work. Most come with lift sensors, emergency stop buttons, and obstacle avoidance. Always supervise the area if in doubt.

What if it rains?

Most high-end robot mowers are IPX-rated for rain. However, if the lawn is waterlogged, mowing quality may suffer.

---

Final Tips Before You Buy

To get the most out of your machine, check out our guide on advanced robot mower optimisation.

• Measure first. Guesswork leads to underpowered choices. Use our free lawn size measuring tool.
• Buy for tomorrow. If you’re planning to extend your lawn, get a model with higher capacity.
• Check spare parts. Brands like Kress have better UK support than some lesser-known imports.
• Look for OTA updates. Over-the-air firmware keeps your mower up to date.

---

Still Not Sure?

Use our lawn measuring tool and email [email protected] for help choosing the right model for your lawn size, layout, and needs.

For more in-depth specs, visit our full robot mower collection or check individual product pages for coverage, features, and delivery options.