10 Best Window Cleaning Concentrate in The UK

Last updated on 16/07/2025

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Kärcher Window Vac WV 2 Plus N, Battery Running Time: 35 min, LED Display for Battery Status, 2 Suction Nozzles, Spray Bottle with Microfibre Cloth, 20 ml Window Cleaner Concentrate

16% OffFree Shipping

Why We Love It

Streak-free pristine windows.
Effortless, lightweight operation.
Versatile nozzle options.

Main Highlights

Free from drips and streaks: The Kärcher WV 2 Plus N window vacuum cleaner ensures windows and other smooth surfaces are thoroughly cleaned without leaving any drops and streaks behind
Easy to use: The handy window vacuum cleaner is particularly light and very quiet. It is easy to use and makes window cleaning an effortless task
Two suction nozzles: The standard suction nozzle (280 mm) is suitable for large glass surfaces, the small one (170 mm) is optimal for narrow areas like lattice and georgian windows
Hygienic: The dirty water tank can be easily emptied during or after cleaning without coming into contact with any contaminated water in the process
Scope of delivery: The set includes the Kärcher Window Vac WV 2, a charger, a spray bottle with wiper and microfibre cloth, 2 suction nozzles and 20 ml Kärcher window cleaner concentrate

Unger Professional Window Cleaning Liquid 5L - Eco Friendly & Smear Free Window Glass Cleaner - Economical 1:100 Mixing Ratio for 500 litres of UNGER's Liquid

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Why We Love It

Superior streak-free cleaning power.
Economical with high yield ratio.
Skin friendly, pH balanced soap.

Main Highlights

SMEAR-FREE WINDOW CLEANING - UNGER’s Liquid effortlessly removes dirt and grease with streak-free results, providing superior cleaning power. A classic choice for professional window cleaners, and ideal for any window cleaning kit. Use in combination with washers and squeegees for optimum cleaning results.
QUICK, EASY GLIDE FOR SQUEEGEES - Provides enough slip to allow an easy glide over glass with a window squeegee. The right dosage provides enough suds to see where you've washed, and allows you to wipe them off easily and quickly for faster cleaning.
ECONOMICAL 1:100 MIXING RATIO - Excellent value for both professionals and occasional users with a highly concentrated formula. The 1:100 dilution ratio means just 50 ml of solution is enough for 5 litres of water. Ideal for high-volume cleaning jobs and helps lower overall cleaning costs without compromising on performance.
YIELDS 500 LITRES OF CLEANING FLUID - With one 5 litre bottle of UNGER’s Liquid, you can mix up to 500 litres of cleaning fluid. Simply add the liquid concentrate to water and start cleaning.
SKIN FRIENDLY pH NEUTRAL SOAP - The window-cleaning soap is also pH-neutral. So not only is it easy to rinse, but it's also kind to your skin and won't cause irritation. Equipped with a secure, child-proof safety lid to prevent leakage and prevent children from opening.

Kärcher Window Vac WV 6 Plus, Extra Long Battery Running Time of 100 min, LED Battery Indicator Display, Suction Nozzle: 280 mm, Spray Bottle with Microfibre Cloth, 20 ml Window Cleaner Concentrate

27% OffFree Shipping

Why We Love It

Effortless streak-free cleaning.
Extended battery life.
Innovative suction technology.

Main Highlights

Drip and streak-free cleaning: The Kärcher Window Vac WV 6 is the ideal device for vacuuming damp windows, tiles and other smooth surfaces and leaving them spotless without drips and streaks
Long-lasting battery: The battery runs for up to 100 min, enabling up to 300 m² of surface to be cleaned at once. The LED minute by minute battery indicator display on the device indicates the remaining runtime
Innovative suction and lip technology: The 280 mm wide suction nozzle easily sucks up water and any loosened dirt and is ideally suited for cleaning large surfaces such as windows
Practical accessories: The spray bottle with wiper and microfibre cloth is the perfect accessory for pre-cleaning surfaces and effectively loosening dirt before using the window vacuum cleaner
Scope of delivery: The set includes the Kärcher Window Vac WV 6, 180mm suction nozzle, a fast charger, a spray bottle with wiper and microfibre cloth and 20 ml Kärcher window cleaner concentrate

4 x Kärcher 500ml Glass Cleaning Concentrate For Window Vac

Karcher RM500 Window Vac Glass Cleaning Concentrate, 500ml(Pack of 2)

5% OffFree Shipping

Why We Love It

Works excellently with Kärcher vac.
Ensures long-lasting, streak-free shine.
Universally compatible with Kärcher models.

Main Highlights

Kärcher genuine glass cleaning concentrate detergent is designed to work perfectly with your window vac
Just dilute required amount with water for the perfect solution for a streak free long lasting shine on all water tight hard surfaces
Detergent specifications streak free detergent -- Easy to reseal -- 500ml container -- Compatible with Kärcher window vac -- perfect for mirrors and all glass surfaces
Fits models - Suitable for use with all Kärcher window vac models

2Work Glass and Window Cleaner 5 Litre Bottle 2W76001

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Why We Love It

Ready to use convenience.
Streak free, sparkling finishes.
Safe, Biodegradable and phosphate free.

Main Highlights

Ready to use glass, window and plastic cleaner
Leaves a streak free, sparkling finish
Excellent results on windows, glass, mirrors, VDU screens, stainless steel and all hard surfaces
Biodegradable and phosphate-free
5 litres
For Professional Use Only

Miniml Window & Glass Cleaner 5L Refill - Mint Scented, Streak-Free Finish, Cruelty-Free, Vegan, Natural & Plant-Based Non-Toxic Cleaning Formula, Bulk Buy

3% OffFree Shipping

Why We Love It

Streak-free shine every time.
Refreshing mint aroma while cleaning.
Eco-friendly and safe ingredients.

Main Highlights

✅STREAK-FREE SHINE: Miniml’s Window & Glass Cleaner provides a crystal-clear, streak-free finish every time. Enjoy spotless windows and glass surfaces without any residue or smears.
✅REFRESHING MINT SCENT: Infused with a 99.9% natural mint aroma, this cleaner leaves your home smelling fresh and invigorated while you clean, providing a refreshing cleaning experience.
✅ECO-FRIENDLY & SAFE: Made with natural, plant-based ingredients, this cleaner is cruelty-free, vegan, and free from alcohol and VOCs. A gentle yet powerful solution that’s kind to the environment and your home.
✅FAST EVAPORATION: This fast-evaporating formula ensures a quick and easy clean with no lingering wet spots.
✅ZERO WASTE: Our sustainable solutions go far beyond your purchase; refill your forever bottles with this 5 litre refill; the empty packaging from refills can be returned to our factory to be cleaned, reused and refilled; scan the QR code on the back of our refills to arrange a return so it can be reused again and again.

2 x HG window cleaner 500 ml – A super concentrated window cleaner fluid for window cleaning without streaks A window cleaning solution used by professional window cleaners

Why We Love It

Maintains quality with new packaging.
Revamped name, identical formulation.
Ensures streak-free windows.

Main Highlights

*Packaging May Vary* HG have updated their product labels, the contents remain exactly the same. The name has changed on selected product lines
Old Name: HG Window Cleaner
New Name: HG Window Cleaner Concentrate

3 x HG window cleaner 500 ml – A super concentrated window cleaner fluid for window cleaning without streaks A window cleaning solution used by professional window cleaners

Why We Love It

Trusted Brand Quality Assured.
Exceptionally Clean Windows Guaranteed.
Economical Concentrated Formula.

Main Highlights

*Packaging May Vary* HG have updated their product labels, the contents remain exactly the same. The name has changed on selected product lines
Old Name: HG Window Cleaner
New Name: HG Window Cleaner Concentrate

Bosch GlassVAC Detergent Concentrate (for GlassVAC window vacuum cleaner, for glass and non-porous surfaces, 500ml)

Why We Love It

Versatile for many surfaces.
Efficiently vacuums spilled liquids.
Removes stubborn dirt effortlessly.

Main Highlights

Clean windows indoors and outdoors, glass surfaces, tiles, mirrors or shower cubicles and also vacuum spilled liquids
Removes stubborn dirt
Simply spray, agitate, and vacuum with the GlassVAC
Ideal for cleaning windows, mirrors, tiles, and showers
Items Included: GlassVAC Detergent

9.0

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We scanned 1801 products

We reviewed these offers relevant to the Window Cleaning Concentrate within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Kärcher, Unger, Karcher, 2WORK, Miniml, HG, Bosch, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Window Cleaning Concentrate in the market, we considered we took a deep dive into 9006 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Kärcher Window Vac WV 2 Plus N, Battery Running Time: 35 min, LED Display for Battery Status, 2 Suction Nozzles, Spray Bottle with Microfibre Cloth, 20 ml Window Cleaner Concentrate. We love many things about this product by Kärcher. What sets it apart from the competition is Streak-free pristine windows, Effortless, lightweight operation, Versatile nozzle options.
The best value product for most shoppers and where user satisfaction is continuously the highest is Unger Professional Window Cleaning Liquid 5L - Eco Friendly & Smear Free Window Glass Cleaner - Economical 1:100 Mixing Ratio for 500 litres of UNGER's Liquid by Unger based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Window Cleaning Concentrate and the best cost-to-value ratio is Kärcher Window Vac WV 6 Plus, Extra Long Battery Running Time of 100 min, LED Battery Indicator Display, Suction Nozzle: 280 mm, Spray Bottle with Microfibre Cloth, 20 ml Window Cleaner Concentrateat Kärcher with a 27% discount.
Our list of the best Window Cleaning Concentrate is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Window Cleaning Concentrate in The UK

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We scanned 1801 products

We concluded that: