Robot vacuums have become a staple in many UK homes, offering convenience and keeping floors clean with minimal effort. But even the smartest robot needs a little maintenance, and one of the most frequently replaced parts is the side brush. This guide will walk you through everything you need to know about robot vacuum side brush replacements in the UK, from why they matter to where to buy them and how to maintain them. We’ll cover the leading brands available in 2026 and help you keep your robotic cleaner performing at its best.
As an Amazon Associate, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you when you buy through links on this page.

Table of Contents
Why Robot Vacuum Side Brushes Matter
Robot vacuum side brushes are often overlooked, but they play a crucial role in a robot’s cleaning performance. They’re designed to reach edges, corners, and along walls – areas that the main brush roller often misses. Here’s why they’re so important:
- Edge Cleaning: Side brushes sweep debris from edges and corners, directing it into the path of the main brush.
- Reaching Corners: They get into tight spots that the main brush can’t access, ensuring a more thorough clean.
- Maximising Coverage: By extending the cleaning reach, side brushes help the robot cover more floor area effectively.
Worn or damaged side brushes significantly reduce cleaning efficiency. Frayed bristles can’t effectively sweep debris, and bent or broken brushes simply won’t reach those critical areas. Regularly replacing them is essential for maintaining optimal performance.
How Often Should You Replace Your Robot Vacuum Side Brush?
The frequency of side brush replacement depends on several factors:
- Usage Frequency: If you run your robot vacuum daily, brushes will wear out faster than if you use it only a few times a week.
- Floor Type: Hard floors cause more wear than carpets.
- Pet Ownership: Pet hair gets tangled in the brushes, accelerating wear and tear.
As a general guideline:
- Light Use (1-2 times/week, no pets): Every 6-12 months.
- Moderate Use (3-5 times/week, no pets): Every 3-6 months.
- Heavy Use (Daily, pets): Every 1-3 months.
Signs your brush needs replacing:
- Fraying or bent bristles
- Visible wear and tear
- Reduced cleaning performance along edges
- Increased debris left behind
- Unusual noise during operation
Replacement Checklist:
- Inspect brushes monthly.
- Replace immediately if damaged.
- Consider keeping a spare set on hand.
Identifying Your Robot Vacuum Model & Brush Type
Using the correct side brush is paramount. Compatibility issues can damage your robot vacuum or result in poor cleaning performance. Here’s how to find the right brush:
- Find the Model Number: Locate the model number on your robot vacuum (usually on the underside or in the battery compartment).
- Check the Manual: Your robot vacuum’s manual will specify the correct side brush type.
- Online Resources: Use the manufacturer’s website or online retailers, entering your model number to find compatible brushes.
Popular Brands & Brush Types (2026):
- iRobot Roomba: Various brush types depending on the series (e.g., AeroPress, Dual Multi-Surface).
- Shark: Typically 2- or 3-arm brushes.
- Eufy RoboVac: Mostly 3-arm brushes, variations for different models.
- Roborock: Specific brush designs for each model, often with different bristle stiffness.
- Dreame: Model-specific brushes, often with enhanced durability.
Where to Buy Robot Vacuum Side Brushes in the UK (2026)
You have several options for purchasing replacement side brushes in the UK:
Retailer Comparison
| Retailer | Pros | Cons | Typical Price Range |
|---|---|---|---|
| Amazon UK | Wide selection, competitive prices, fast delivery. | Potential for counterfeit products, varying seller quality. | £7.99 – £20.00 |
| Argos | Convenient click & collect, reliable retailer. | Limited selection compared to Amazon. | £9.99 – £18.00 |
| Currys | Reputable electronics retailer, knowledgeable staff. | Can be more expensive than other options. | £12.00 – £25.00 |
| Manufacturer Websites (e.g., iRobot, Shark) | Guaranteed compatibility, genuine parts. | Often the most expensive option. | £15.00 – £25.00 |
| Specialist Robot Vacuum Stores | Expert advice, wide range of parts and accessories. | May have limited physical locations. | £10.00 – £22.00 |
Best Robot Vacuum Side Brush Replacements (UK – 2026)
Here’s a breakdown of some top-rated side brush replacements available in the UK as of 2026:
Best Roomba Side Brushes
iRobot Roomba 900 Series Side Brushes – £15.99: Genuine iRobot brushes, offering excellent performance and compatibility. Durable bristles provide long-lasting cleaning power. Highly recommended for owners of 900-series Roombas.
Best Shark Side Brushes
Shark IQ Robot Side Brushes – £9.99: Designed specifically for Shark IQ robot vacuums. These brushes are easy to install and effectively clean edges and corners. A cost-effective and reliable option.
Best Eufy RoboVac Brushes
Eufy RoboVac 11S Side Brushes (Pack of 6) – £12.49: Excellent value for money, providing a six-pack of brushes for long-term use. Compatible with the popular Eufy RoboVac 11S series. Good for pet owners due to the quantity included.
Best Roborock Side Brushes
Roborock S7 MaxV Ultra Side Brushes – £19.99: Premium brushes designed for high-end Roborock models. Feature durable bristles and a secure fit. Optimised for performance and longevity.
Best Dreame Side Brushes
Dreame Bot L10s Ultra Side Brushes – £14.50: Specifically engineered for Dreame Bot L10s Ultra. Offers improved edge cleaning and debris pick-up. Easy to replace and maintain.
Best Universal Side Brushes
Universal Robot Vacuum Side Brushes (3-Arm) – £7.99: A budget-friendly option for robots that don’t require brand-specific brushes. Ensure compatibility with your model before purchasing.
DIY vs. Professional Replacement: Is it Worth It?
Replacing side brushes is generally a straightforward DIY task. You’ll need:
- A screwdriver (often a small Phillips head)
- The new side brush
Steps:
- Turn off your robot vacuum.
- Remove the brush cover (usually held in place by screws).
- Remove the old brush.
- Install the new brush, ensuring it clicks or snaps into place securely.
- Reattach the brush cover.
Safety Precautions: Always unplug your robot vacuum before performing any maintenance. Handle brushes carefully to avoid injury.
Professional replacement is only recommended if you’re uncomfortable performing the task yourself or if you suspect a more significant issue with your robot vacuum.
Maintaining Your Robot Vacuum Side Brushes for Longer Life
Regular maintenance can significantly extend the lifespan of your side brushes:
- Clean Regularly: Remove hair, dust, and debris after each use.
- Use a Cleaning Tool: A Replacement Brush Cleaning Tool Kit – £6.50 is invaluable for removing tangled hair.
- Avoid Obstacles: Try to minimise cords and small objects that can get tangled in the brushes.
- Proper Storage: Store brushes in a clean, dry place when not in use.
Troubleshooting Common Side Brush Issues
Problem: Brush isn’t spinning.
Possible Causes: Obstruction, worn motor, damaged brush.
Solutions: Remove any obstructions, check the motor (may require professional repair), replace the brush.
Problem: Brush gets tangled frequently.
Possible Causes: Long hair, cords, small objects on the floor.
Solutions: Remove obstacles, pre-clean the floor, use a brush cleaning tool.
Problem: Brush wears out quickly.
Possible Causes: Abrasive floor surfaces, frequent use, low-quality brush.
Solutions: Consider a different cleaning mode for abrasive surfaces, replace brushes more frequently, invest in higher-quality brushes.
FAQ
Q: How will I know if my robot vacuum needs new side brushes?
Look for frayed bristles, bending, or a noticeable decrease in cleaning performance, especially along edges and corners. If you see debris being left behind, it’s a good sign they need replacing.
Q: Can I use universal side brushes on my robot vacuum?
Yes, but compatibility isn’t guaranteed. Check your robot vacuum’s manual or the manufacturer’s website to ensure the universal brush is suitable. It’s always best to use brushes designed specifically for your model.
Q: Where can I find the model number of my robot vacuum?
The model number is typically located on the underside of the robot, in the battery compartment, or on the original packaging.
Q: Is it better to buy genuine brushes or aftermarket ones?
Genuine brushes are guaranteed to be compatible and often offer superior performance and durability. However, aftermarket brushes can be a more cost-effective option. Read reviews carefully before purchasing aftermarket brushes.
Q: How often should I clean the hair from the side brushes?
Ideally, after every use, or at least once a week. Regular cleaning prevents tangles and extends the life of the brushes. A brush cleaning tool makes this task much easier.
