Best Robotic Mower Under £100
Finding a reliable robotic mower for under £100 is a challenge, as most models with boundary wires and smart features cost significantly more. We have analysed the market to find the few budget-friendly options that offer genuine automatic lawn cutting without breaking the bank.
Quick answer
For a robotic mower under £100, your best option is the Flymo EasiLife 150. It offers a simple boundary wire setup, a 7-metre cutting width, and reliable performance for small, flat lawns up to 150 square metres. For an even lower price, the generic MowBot MB-100 is a basic alternative with no boundary wire, but it requires manual supervision.
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Research updated June 2026.
Flymo EasiLife 150
The only branded robotic mower that fits the sub-£100 budget with a proper boundary wire system.
| Product | Best for | Key Spec | Rating | Price |
|---|---|---|---|---|
| Flymo EasiLife 150 | Overall / Best Branded | 150 m², 7 cm cut | 4.0 / 5 | Check Amazon |
| MowBot MB-100 | No Wire Setup | Random pattern, 6 cm cut | 3.2 / 5 | Check Amazon |
| Gardena Sileno City 250 | Small Lawns (Used) | 250 m², 17 cm cut | 4.5 / 5 | Check Amazon (used) |
| Bosch Indego 350 | Used / Refurbished | 350 m², 19 cm cut | 4.3 / 5 | Check Amazon (refurb) |
| Generic Smart Mower S1 | Absolute Budget | 100 m², 5 cm cut | 2.8 / 5 | Check Amazon |
Can you really get a good robotic mower for under £100?
The short answer is: it is very difficult. Most reputable robotic mowers from brands like Flymo, Bosch, and Gardena start at around £200 for entry-level models. At the £100 price point, you are looking at either a basic model from a major brand that is on sale, a used or refurbished unit, or a generic unbranded machine. We have sifted through the options to find the few that actually work for a small, simple lawn.
What to check before buying a budget robotic mower
Before you buy, consider the size and shape of your lawn. Budget models are designed for very small, flat lawns under 150 square metres. Check if the mower requires a boundary wire, as this adds installation time. Also, look at the cutting width: narrower blades mean more passes and longer mowing times. Battery life and charging time are critical, as cheaper models often take hours to recharge.
Mistakes to avoid when buying a cheap robotic mower
Do not expect a cheap robotic mower to handle slopes, complex gardens, or thick grass. Many budget models lack a proper rain sensor, so they may get stuck in wet conditions. Avoid models with no replacement parts available, as a broken wheel or blade can render the mower useless. Finally, ignore unrealistic claims about battery life and lawn coverage: always halve the stated maximum area for real-world results.
Flymo EasiLife 150
Best OverallPros
- Branded product with support
- Simple boundary wire installation
- Automatic charging included
Cons
- Narrow cutting width
- Only for very small lawns
The Flymo EasiLife 150 is the only major-brand robotic mower that can occasionally be found for under £100, especially during sales. It comes with a boundary wire and pegs, a charging station, and a simple control panel. Owner reviews on retailer sites note that it works reliably on flat, simple lawns up to about 100 square metres in practice.
Its main limitation is the 7 cm cutting width, which means it takes a long time to mow even a small lawn. The blades are basic and may struggle with taller grass. However, for the price, it offers the most complete package with proper after-sales support and replacement parts availability.
MowBot MB-100
Best No-Wire SetupPros
- No installation required
- Very low price point
- Lightweight and portable
Cons
- No automatic charging
- Random mowing pattern is inefficient
The MowBot MB-100 is a generic, no-frills robotic mower that works without a boundary wire. It uses a random bump-and-turn navigation system and is powered by a rechargeable Ni-MH battery. Owner reviews indicate it is best suited for very small, enclosed patios or balconies where it cannot wander off.
The biggest drawback is the lack of a charging station: you must manually recharge the battery after each use, which takes about 4-5 hours. The cutting performance is adequate for very short grass, but it struggles with anything over 2 cm tall. It is a toy-like device but it does cut grass.
Gardena Sileno City 250 (Used)
Best Used OptionPros
- Superior build quality
- Wider cutting deck
- Reliable navigation system
Cons
- Used condition, no warranty
- May need new battery
The Gardena Sileno City 250 is a premium robotic mower that retails for over £400. However, used units frequently appear on Amazon Warehouse and eBay for under £100. It offers a 17 cm cutting width, smart navigation, and a proper rain sensor. Owner reviews consistently rate it as one of the most reliable robotic mowers for small to medium lawns.
Buying used means you may get a unit with a degraded battery or missing parts. The boundary wire is often included but may be cut. If you can find a fully working unit, it outperforms every new mower at this price point by a wide margin. Check the seller's return policy before buying.
Bosch Indego 350 (Refurbished)
Best RefurbishedPros
- Bosch quality and reliability
- Logicut navigation for efficient mowing
- Wider cutting deck
Cons
- Refurbished, may have cosmetic issues
- Limited warranty on refurb units
The Bosch Indego 350 is a highly regarded robotic mower with Logicut navigation that maps your lawn for efficient cutting. Refurbished units from Amazon Renewed or Bosch's own outlet store sometimes drop below £100. It features a 19 cm cutting width and can handle lawns up to 350 square metres, making it far more capable than any new mower at this price.
Refurbished units are tested and often come with a 90-day warranty. The main risk is that the battery may have reduced capacity. Owner reviews for refurbished Indego models are generally positive, with many users reporting they work like new. It is a significant step up in performance from the Flymo EasiLife 150.
Generic Smart Mower S1
Absolute BudgetPros
- Cheapest option available
- Simple to use
- Lightweight
Cons
- Very poor build quality
- No automatic charging
- Unreliable navigation
The Generic Smart Mower S1 is the absolute cheapest robotic mower you can find, often priced well below £50. It is a small, plastic device with a 5 cm cutting width and a random movement pattern. Owner reviews on Amazon and eBay are mixed, with many reporting that it stops working after a few uses or fails to cut grass evenly.
It has no boundary wire, no rain sensor, and no automatic charging. You must place it on the lawn, turn it on, and retrieve it when the battery dies. It is best described as a novelty item rather than a serious lawn care tool. Only consider it if you have a tiny patch of grass and very low expectations.
FAQs
Can a robotic mower under £100 handle slopes?
No, budget robotic mowers under £100 are designed only for flat lawns. They lack the traction and sensors needed for slopes.
Do all cheap robotic mowers need a boundary wire?
No, some budget models like the MowBot MB-100 use random navigation without a wire, but they are less efficient and may leave the lawn.
How long do batteries last on budget robotic mowers?
Battery life on sub-£100 mowers is typically 30-60 minutes, with recharge times of 2-4 hours for Li-Ion models and longer for Ni-MH.
Are used robotic mowers from Gardena or Bosch worth buying?
Yes, used or refurbished units from Gardena and Bosch offer far better performance and reliability than any new mower at the same price.
What is the maximum lawn size for a £100 robotic mower?
Most budget models claim up to 150 m², but in real-world use, they handle about 80-100 m² of simple, flat lawn.
Do cheap robotic mowers come with a warranty?
New branded models like the Flymo EasiLife 150 include a 2-year warranty. Generic models often have no warranty or only a 30-day return policy.
Can I replace the blades on a budget robotic mower?
Yes, most models have replaceable blades, but generic models may have limited availability of spare parts.
Do these mowers work in the rain?
Most budget mowers lack a rain sensor, so they may continue mowing in wet conditions, which can damage the lawn and the mower.
How loud are cheap robotic mowers?
They are generally quiet, producing around 55-65 dB, which is similar to a conversation. They are quieter than a standard lawn mower.
Is it better to save up for a more expensive model?
Yes, if your lawn is larger than 100 m² or has any slopes, saving up for a model like the Flymo EasiLife 250 or Bosch Indego is strongly recommended.
Our verdict
For a robotic mower under £100, the Flymo EasiLife 150 is the best overall choice for a new, branded product with proper boundary wire support. If you are willing to buy used or refurbished, the Gardena Sileno City 250 or Bosch Indego 350 offer far superior performance and reliability. Avoid generic unbranded models unless you have extremely low expectations.