Models+
Which Mower Is Right For Me?
Find out now
Your Basket
Which Mower Is Right For Me?
Find out now
Maintaining a large garden can feel like a full-time job. Between the time-consuming mowing sessions, physical strain, and the inconsistent results that often come with traditional petrol or push mowers, it’s easy to fall behind—especially during peak growing season.
That’s where robotic lawnmowers come in. These smart, automated machines are transforming garden care, delivering consistent, beautifully trimmed lawns with minimal input. Set them up once, and they quietly get to work—saving you hours each week while keeping your garden in top shape.
In this article, we’re focusing on the best robotic mowers specifically designed for large gardens—properties where space, complexity, and efficiency really matter. We’ll explore two standout options from Segway’s Navimow range: the H Series and the X3 Series, each offering powerful features tailored to expansive outdoor spaces.
And perhaps most importantly, we’ll show why going wire-free is a game-changer for larger lawns. Traditional perimeter wires can be a nightmare to install and maintain over long distances. Navimow’s advanced virtual boundary technology eliminates this hassle—giving you smart, clean-cut results without the wires.
Let’s dive in.
When it comes to choosing the best robotic lawnmower for a large garden, not all models are created equal. Mowing an expansive lawn requires more than just automation—it demands precision, endurance, intelligent navigation, and a user-friendly experience. While smaller gardens may get by with basic features, large gardens present unique challenges that only advanced robotic mowers can handle effectively.
In this guide, we’ll explore the key features that truly matter for large gardens—and, in doing so, reveal why Segway’s Navimow H Series and X3 Series stand out as best-in-class solutions.
The first and most obvious requirement is simple: coverage. A robotic lawnmower designed for large gardens needs to be capable of handling thousands of square metres without getting overwhelmed or needing frequent recharging.
The Navimow H Series is engineered for medium-to-large gardens and can comfortably cover areas up to 3,000 m².
The Navimow X3 Series goes even further, offering intelligent mowing for vast properties between 1,500 m² and 10,000 m²—making it ideal for estates, sports fields, or large landscaped gardens.
Choosing a mower with the right area capacity ensures that your lawn is consistently and thoroughly maintained without constant human intervention.
In large gardens with intricate layouts, flowerbeds, trees, and winding paths, accurate navigation is crucial. A mower that cuts randomly or misses edges simply won’t do the job properly. This is where advanced mapping and positioning systems become essential.
Both the H Series and X3 Series utilise cutting-edge navigation technologies that allow for planned, systematic mowing patterns. These aren’t just smarter—they’re more efficient, avoiding patchy mowing and wasted time.
At the heart of Navimow’s superior navigation is RTK GPS (Real-Time Kinematic positioning), a leap forward from traditional GPS systems.
What is RTK GPS?
RTK uses a fixed base station in combination with satellite signals to enhance positioning accuracy from a margin of metres to just a few centimetres. This allows for incredibly precise mowing, even in challenging environments.
Why is RTK important for large gardens?
It removes the need for perimeter wires, which can be disruptive to install and maintain. It also allows for clean, systematic mowing lines—ensuring every section of your garden is covered without repetition or missed spots. In large and complex gardens, this efficiency is a game-changer.
The H Series incorporates EFLS (Exact Fusion Locating System) for RTK-level accuracy, while the X3 Series takes it further with EFLS 3.0, combining RTK, VSLAM, and VIO for centimetre-precise coverage, even in satellite-challenged environments.
The larger the lawn, the more likely it is to have varied terrain, trees, play equipment, or garden ornaments. Effective obstacle detection is therefore essential—not only to protect the mower but also to avoid damaging your property.
The Navimow H Series is equipped with VisionFence, allowing it to intelligently recognise and avoid common obstacles.
The X3 Series introduces VisionFence 2.0 with 300° visual detection and AI-driven route planning. It can react in real time to unexpected obstructions, ensuring uninterrupted mowing with minimal risk.
This smart technology helps the mower safely navigate even the most complex outdoor layouts, giving homeowners peace of mind.
Large gardens often aren’t flat—and that’s where many robotic mowers struggle. Sloped or uneven terrain can challenge a mower’s grip and motor strength.
The H Series is up to the task with a slope handling capacity of up to 45%.
The X3 Series pushes even further, conquering gradients of up to 50% (approximately 26°).
Whether you’re maintaining terraced gardens or gently rolling lawns, both models deliver reliable performance across varied landscapes.
When you’re covering thousands of square metres, a mower that constantly needs recharging will quickly become frustrating. You need a machine with long runtime and high mowing efficiency.
The Navimow H Series offers up to 200 minutes of continuous mowing on a single charge.
The X3 Series leads the field with a massive 240-minute runtime and boasts a mowing speed twice as fast as the industry average.
Add to that their systematic mowing algorithms, and you get efficient, high-coverage results in fewer hours—leaving your garden pristine with minimal disruption.
A robotic mower should make your life easier, not harder. That’s why intuitive setup and smart control options are essential—especially when managing a large outdoor space.
All Navimow models offer effortless setup via the Navimow app:
No boundary wires required—just set up virtual boundaries through the app.
Define and manage multiple mowing zones.
Schedule mowing times and monitor progress from anywhere.
Receive real-time alerts, including anti-theft notifications.
Whether you’re at home or away, managing your large garden has never been so seamless.
Robotic mowers must be rugged enough to withstand changing weather and the realities of outdoor use—especially in the UK.
All Navimow models are rated IP66, which means:
Waterproof: Protected against heavy rain and garden hose sprays.
Dustproof: Fully sealed to resist garden debris, pollen, and fine particles.
You can rely on your Navimow mower to keep going, come rain or shine—though each series handles the weather in its own intelligent way:
H Series: Features a built-in rain sensor that prevents mowing in wet conditions. You can adjust the sensor’s sensitivity to suit your garden and preferences.
I and X Series: These models are weather adaptive, using local weather forecasts to determine whether to mow. You can fine-tune this behaviour within the app, choosing how the mower responds to light or heavy rain.
In a connected world, even your lawnmower can be smart. The Navimow X3 Series integrates with Alexa and Google Home, allowing for simple voice commands—a futuristic feature that adds to its hands-free appeal.
All Navimow models support:
OTA (Over-the-Air) updates: Stay up to date with new features and performance enhancements.
Anti-theft protection: Real-time alerts, GPS tracking, and even support for an item tracker slot in the X3 for added peace of mind.
These features combine to deliver not just a tool—but a premium, intelligent garden maintenance experience.
When it comes to maintaining medium to large gardens with consistency, precision, and minimal intervention, the Navimow H Series hits the sweet spot. Designed for lawns of up to 3,000 m², this model strikes the perfect balance between high-tech functionality and everyday reliability—making it an ideal choice for homeowners who want professional-level results without the complexity of commercial-grade systems.
The H Series is tailored for those with sizeable gardens—think suburban properties, landscaped homes, or small estates—who need a powerful, low-maintenance mowing solution. If your outdoor space is spacious but not sprawling into acreage, and your priority is seamless, hands-off mowing that just works, the H Series is likely your perfect match.
At the heart of the H Series is Segway’s Exact Fusion Locating System (EFLS)—a game-changing navigation system that combines RTK GPS with built-in sensors to deliver centimetre-level accuracy. This system eliminates the need for physical boundary wires, instead allowing you to define mowing zones and edges virtually via the Navimow app.
The result? A mower that navigates your garden with surgical precision, following planned, systematic routes rather than bouncing around randomly. EFLS ensures no patch is missed and no time is wasted, even in gardens with unusual shapes or narrow corridors.
Nobody wants a noisy machine disturbing the peace—especially if your garden is a place of relaxation or you have close neighbours. The H Series delivers with an ultra-quiet 54 dB(A) operating volume, significantly quieter than most household appliances.
Whether it’s running in the early morning or during your weekend wind-down, the H Series blends into the background, letting your garden stay beautifully maintained without the sound of a petrol engine interrupting your day.
Not every garden is perfectly flat. Many feature gradual inclines, stepped lawns, or small embankments that could prove challenging for lesser robotic mowers. The Navimow H Series is built to manage this with ease, handling slopes of up to 45% (approximately 24°).
This capability ensures uniform mowing performance even on uneven terrain, giving you a consistent cut across your entire lawn.
While large, complex gardens may benefit from the AI-enhanced obstacle detection of the X3 Series, the H Series still comes well-equipped for typical residential scenarios. It uses VisionFence, a smart sensor system that recognises and avoids common garden obstacles, such as flowerbeds, furniture, or tree trunks.
Combined with lift, tilt, and bumper sensors, the H Series can navigate your lawn confidently and safely, reducing the chances of collision or entrapment.
The Navimow H Series truly excels in gardens that are:
Medium to large in size (up to 3,000 m²)
Clearly defined with structured boundaries and open zones
Gently sloped or moderately undulating
Less cluttered, without a high density of unpredictable or moving obstacles
Owned by users who want high performance without needing the most advanced AI features
Think of homes with expansive lawns, orchards, or sports-sized backyards—spaces where reliable navigation, low noise, and consistent results matter most.
If you’re looking for a dependable, intelligent mower that delivers high-end performance without going overboard on tech complexity, the Navimow H Series is a worthy investment.
For homeowners with very large properties or expansive lawns measuring 1,500 m² to 10,000 m², the Navimow X3 Series is a powerhouse solution that combines elite performance with intelligent automation. It’s not just a robotic mower—it’s a highly advanced garden maintenance system designed to handle size, complexity, and variation with ease.
The X3 Series is purpose-built for:
Large estates
Country homes and villas
Landscaped gardens with multiple zones
Commercial green spaces
Any property where precision, convenience, and complete lawn coverage are non-negotiable
This is Navimow’s most advanced robotic mower, packed with premium features that elevate it above traditional models and even the already capable H Series.
The X3 Series features EFLS 3.0, a next-generation positioning system that blends three powerful technologies:
RTK GPS provides centimetre-level accuracy using a fixed reference station
VSLAM (Visual Simultaneous Localisation and Mapping) uses camera data to understand and map the environment in real time
VIO (Visual-Inertial Odometry) combines camera input with motion sensors for continuous positional awareness
This triple-layered system ensures extreme reliability and accuracy, even when satellite signals are patchy or temporarily blocked by trees, walls, or buildings. Where other mowers may drift off course or fail entirely, the X3 continues mowing with unwavering precision.
This is a clear differentiator from the H Series, which offers excellent performance in most scenarios, but doesn’t include VSLAM or VIO technologies to manage satellite signal loss as robustly as the X3.
Navigating a large, landscaped garden with multiple obstacles is no small feat. That’s why the X3 is equipped with VisionFence 2.0, an upgraded AI-powered vision system featuring:
300° visual detection for near-complete field-of-view coverage
Real-time AI route planning to actively avoid complex obstacles and re-map optimal mowing paths
Whether your garden includes trees, flowerbeds, water features, garden furniture, or active pets, the X3 Series recognises and avoids them dynamically, with minimal disruption to its mowing plan.
A key factor for large gardens is whether the mower can complete its job without constant recharging.
The X3 Series delivers a class-leading 240-minute runtime, letting it cover vast areas in a single session.
It’s also twice as fast as the industry average, thanks to its efficient, algorithm-driven mowing routes and high-performance hardware.
Combined, these capabilities ensure that even the largest gardens are not just cut—but cut quickly, accurately, and thoroughly.
Modern luxury means not having to lift a finger. The Navimow X3 supports Alexa and Google Home, allowing you to start, stop, or check the status of your mower with simple voice commands.
It’s smart home integration done right—no app scrolling required when you’re entertaining guests or relaxing outdoors.
The finishing touch on any well-kept lawn is a clean edge—and the X3 delivers just that. Its high-precision edge cutting ensures sharp, defined borders along pathways, flowerbeds, and fences, offering a polished, manicured finish that stands out on high-end properties.
This attention to detail is especially valuable on large grounds where pristine presentation is part of the overall aesthetic.
With high-value equipment often left unsupervised on large properties, security matters.
The X3 Series offers:
An advanced theft alarm system
Real-time GPS tracking
A dedicated item tracker slot, allowing owners to install a third-party tracker for an added layer of security
Together, these features give peace of mind—especially for properties that may be left vacant or only intermittently supervised.
The Navimow X3 truly shines in demanding environments, such as:
Large, multi-zone gardens with diverse terrain
Landscapes with complex layouts and frequent obstacles
Properties requiring high-precision finishes
Users seeking the most advanced mowing technology available
Households that value smart home integration and automation
If you want the very best in robotic lawn care—and have the lawn to match—the X3 Series is a premium investment that delivers exceptional returns in time saved, effort reduced, and results achieved.
While the Navimow H Series and X3 Series each bring their own strengths to the table, they both share a set of core advantages that make them stand out in the world of robotic lawnmowers. Whether you opt for the capable H or the feature-rich X3, you’ll enjoy a premium mowing experience that prioritises efficiency, ease, and long-term reliability.
One of the most significant benefits of choosing Navimow is the wire-free setup. Traditional robotic mowers often require buried perimeter wires, which can be time-consuming to install, difficult to adjust, and prone to damage from weather or garden work.
Navimow eliminates this hassle with its virtual boundary system—set entirely through the Navimow app. Not only does this save hours (or even days) during setup, but it also makes it easy to adjust mowing zones as your garden evolves. It’s cleaner, simpler, and far more flexible.
Managing your lawn has never been so effortless. The Navimow app puts complete control in the palm of your hand, offering features like:
Virtual boundary creation without wires
Multi-zone management for complex gardens
Scheduling tools for automated mowing sessions
Live monitoring and status updates
Real-time alerts, including theft warnings
Whether you’re at home or away, you can monitor and manage your mower from anywhere—making lawn care one less thing to worry about.
Unlike many robotic mowers that rely on random mowing patterns, Navimow models follow planned, systematic routes. This results in:
Even coverage across the entire lawn
No missed patches or excessive overlapping
A cleaner, more uniform appearance
Healthier grass growth, thanks to consistent cutting height and direction
It’s not just about automation—it’s about optimised performance that visibly improves the quality of your lawn.
Every Navimow model is built with user and pet safety in mind, featuring:
Lift sensors, which stop the blades if the mower is picked up
Tilt sensors, which trigger an automatic shut-off on steep angles
Bumper sensors, enabling the mower to detect physical contact and stop immediately
These safeguards make Navimow a smart, family-friendly choice—especially in homes with children or pets.
Garden equipment must be tough—and Navimow mowers are. With an IP66 rating, they are:
Water-resistant—capable of operating in the rain or under sprinklers
Dustproof—protected against fine particles, pollen, and debris
This durability ensures your mower performs reliably through all seasons, without requiring constant maintenance or sheltering.
Technology never stands still—and neither does Navimow. All models support Over-the-Air (OTA) updates, which allow:
New features and improvements to be added post-purchase
Bug fixes and performance enhancements delivered automatically
A product that evolves over time, adding value long after installation
It’s a future-proof investment that keeps getting better, without any manual updates or technical knowledge needed on your part.
Both the Navimow H Series and X3 Series are outstanding robotic lawnmowers—but they’re tailored for different types of gardens and user expectations. If you’re still unsure which is the better fit for your property, this decision guide will help you weigh the most important considerations.
| Factor | Navimow H Series | Navimow X3 Series |
|---|---|---|
| Lawn Size | Up to 3,000 m² | From 1,500 m² up to 10,000 m² |
| Garden Complexity | Ideal for structured, less obstacle-heavy gardens | Best for complex, multi-zone gardens with trees, slopes, and features |
| Terrain | Handles slopes up to 45% | Tackles extreme gradients up to 50% |
| Obstacle Avoidance | VisionFence + bumper/lift/tilt sensors | VisionFence 2.0 with AI route planning |
| Battery Runtime | Up to 200 minutes | Market-leading 240 minutes |
| Voice Control | ❌ Not available | ✅ Supports Alexa & Google Home |
| Precision Positioning | EFLS (RTK + sensors) | EFLS 3.0 (RTK + VSLAM + VIO) |
| Budget | More affordable, strong value | Higher investment, premium performance |
| Ease of Use | App-based control, virtual zones | Same, with added automation intelligence |
| Set-and-Forget Level | ✅ Very high | ✅✅ Ultimate automation with smart features |
Robotic lawnmowers are a game-changer for large garden owners—offering a smart, time-saving solution that keeps your lawn immaculate with minimal effort. With advanced navigation, quiet operation, and intelligent scheduling, these machines transform lawn care from a chore into a background task.
Navimow stands out by combining precision technology with user-friendly design. Whether you choose the robust and reliable H Series or the feature-rich, ultra-advanced X3 Series, you’re investing in a mower that delivers consistent, professional-quality results—completely hands-free.
Ready to upgrade your lawn care routine? Visit the UK Navimow website to explore the full range, compare models, or find your nearest authorised dealer. Your perfectly manicured lawn is just a click away.