10 Best Concentrated Window Cleaner in The UK

Last updated on 02/08/2025

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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.

VerritexPro Concentrated Glass Greenhouse Cleaner, Conservatory Cleaner, Greenhouse Cleaner As Used By The Professionals for Window Cleaning, Conservatory Roof Cleaner, 2.5Ltr (2.5ltrs)

Why We Love It

Acid free and biodegradable.
Easy application and rinse.
Ensures healthy plant growth.

Main Highlights

5 Litre - Makes 105 Litres of Active Solution - Covers 1250 sqm
Just apply with sprayer, brush or sponge. Then rinse off with water. Agitate before rinsing if contamination is heavy.
ACID FREE - BIODEGRADABLE
Easily Removes - Green Algae,Dirt,Soot,Sticky Sap,Grease,Soil,Pesticide * Chemical residues.
VerritexPro achieves "MAXIMUM" Sparkle and Clarity...essential for healthy and efficient plant growth.

SOLCLEAN CONCENTRATED SOLAR PANEL CLEANER (5L)

Why We Love It

Safe for all surfaces.
Suitable for thermal and photovoltaic.
Environmentally friendly and biodegradable.

Main Highlights

Sol Clean is 100% safe for all Solar Panels surfaces including the Frame & Seals.
Formulated for all Solar Panels - Thermal or Photo Voltaic
Safe Non Caustic Formula is suitable for all surfaces including frames & seals
Environmentally Friendly & Biodegradable

Jennychem Industrial Chemicals

Concentrated Motorhome & Caravan Cleaner (5L) - Campervan Cleaner - Algae and Caravan Black Streak Remover on All Caravan Surfaces

14% Off

Why We Love It

Effortless and safe cleaning.
Eco-friendly biodegradable formula.
Pristine shine for caravans.

Main Highlights

A non-caustic based formula designed to remove algae, grime & stubborn dirt. Designed specifically for the unique needs of caravans. Its non-caustic formulation provides the assurance of safe and effective cleaning, allowing you to journey with confidence.
Effortless Dirt Removal: Expertly formulated to lift and remove stubborn grime, road film, and organic residues, leaving your caravan gleaming.
Eco-friendly: We prioritise both your caravan and our planet. This biodegradable formula ensures efficient cleaning without environmental harm.
Versatility Amplified: Our caravan cleaner provides a pristine shine for all surfaces, including caravans and motorhomes. Serves as a multi-purpose cleaner for various surfaces. The 5L motorhome polish makes 50L of ready-to-use solution.
Directions to Use: Use a neat sponge or cloth. Dip in the diluted solution and spray on the vehicles. Leave for 3-5 min and rinse. Note: Rubber seal cleaning should be repeated until the rinsing water runs clean.

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

11% Off

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

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

14% Off

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

Liquipak Glass & Window Cleaner 5L - Streak Free - Domestic and Commercial Use 5 Litres

Why We Love It

Cleans without streaks effortlessly.
Ideal for multiple surfaces.
Great for both home and office.

Main Highlights

Window and Glass Cleaner is suitable for both commercial and domestic use.
It quickly removes fingerprints and dirt from the surfaces without leaving streaks or residue.
Perfect for use in the kitchen, bathroom, offices, vehicles and much more!

Autoglym Caravan & Motor Home Cleaner, 1 Litre - Concentrated, All Purpose Cleaner Designed for Quick, Year-Round Maintenance of Leisure Vehicles Fabrics and Surfaces

8% OffFree Shipping

Why We Love It

Highly effective cleaning power.
Safe for all materials.
Versatile for various surfaces.

Main Highlights

Caravan and Motorhome Cleaner is a concentrated, multi-purpose cleaner that can be used on external and internal surfaces to provide heavy-duty cleaning power wherever it is needed
Say goodbye to winter algae and stubborn dirt with this highly effective all-purpose motor car cleanng solution, specially formulated to tackle common challenges faced by caravan and motorhome owners
Safe for all materials including paintwork, plastics, metals, rubber, acrylics, fibreglass, wheels, windows, body trim, work surfaces, synthetic fabrics, carpets, hobs, washable wall coverings, and similar surfaces
Use at home on work surfaces, synthetic fabrics, carpets, hobs, washable wall coverings and similar surfaces
Pro Tip: Caravans and motorhomes often have plastic windows. Clean these with Autoglym Fast Glass for a smear free finish with no scratching or hazing

Naturally scented Peppermint Glass & Mirror Cleaning Refills | Windows, Mirrors, Stainless Steel Smudge & streak-free | Concentrated, Just-add-water, Refillable, Eco friendly, Non-toxic, Vegan

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Why We Love It

Plastic-free refills and packaging.
Naturally fragranced with peppermint.
Safe for family and pets.

Main Highlights

✨ GLASS & MIRROR CLEANER - Top up with plastic-free refills for our non-toxic glass and mirror cleaner. Naturally fragranced with organic peppermint essential oil. Developed by scientists with toxic-free ingredients, this unique glass and mirror cleaner tackles grime effortlessly, leaving behind a streak-free shine without damaging the planet or your health. Use on windows, mirrors, stainless steel and other shiny surfaces.
💎 HIGHLY EFFECTIVE GLASS & MIRROR CLEANING REFILLS x 5 - A pack of 5 concentrated cleaning refills packed in 100% plastic-free, home and industrial compostable paper. Low carbon footprint, zero water shipped and completely non-toxic formula. The aluminium bottle is not included and is sold separately.
🧼 HOW TO USE - Empty refill contents into your refillable eternity bottle, fill with tap water slowly to avoid excess foaming and get cleaning within minutes. No need to shake. Use only one refill pack per bottle.
🌿 SAFE INGREDIENTS - We only use plant-based, non-toxic ingredients to keep your family and the planet safe. All our ingredients rate highly on the Environmental Working Group (EWG) and European Chemical Agency (ECHA) for human and environmental safety. We refuse to test on animals, our products are 100% cruelty free. Our Vegan Society certified cleaner is safe to use around kids, pets and all your loved ones.
🌱 FREE FROM - artificial colours, synthetic fragrances, palm oil, parabens, pesticides, petroleum, phosphates, SLS and triclosan.
🌍 ECO-FRIENDLY PACKAGING: Dispose of refill packaging with your food waste or compost at home. The pack will turn into rich fertiliser for your plants. Do not recycle with paper or plastic. Secondary packaging: All recyclable, FSC certified paper. Fully recyclable. Bottle: Refill and reuse at home. Made from 80% recycled aluminium which is fully recyclable. Spray Top: All plastic and curbside recyclable, no mixed materials.
🏆 AWARD WINNING SMALL BUSINESS - This product is from an award winning small business brand based in the U.K. All products are manufactured in the UK who meet the highest standard of responsible production. Support small.

Supagard Professional Glass Cleaner/Streak-Free Highly Concentrated Window Cleaner For Cars and Homes - 500ml, Removes Toughest Dirt/Extra Strong Formulation

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Why We Love It

Ultimate cleaning power guaranteed.
Streak-free crystal-clear finish.
Includes premium microfibre cloth.

Main Highlights

Ultimate Cleaning Power: Easily removes tough dirt, grime, and grease from windows and mirrors.
Streak-Free Shine: Leaves a crystal-clear, streak-free finish on all glass surfaces.
Highly Concentrated Formula: Economical, long-lasting solution for frequent use.
Versatile Application: Ideal for cars, homes, and more, suitable for all types of glass, mirrors, and plastics.
Microfibre Cloth Included: Comes with a premium microfibre cloth for the best cleaning results.

8.7

Excellent

We scanned 810 products

We reviewed these offers relevant to the Concentrated Window Cleaner 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 Unger, LQ SOLUTIONS, Trade Chemicals, Jennychem Industrial Chemicals, HG, Liquipak, Autoglym, Spruce, Supagard, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Concentrated Window Cleaner in the market, we considered we took a deep dive into 4051 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 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. We love many things about this product by Unger. What sets it apart from the competition is Superior streak-free cleaning power, Economical with high yield ratio, Skin friendly, pH balanced soap.
The best value product for most shoppers and where user satisfaction is continuously the highest is VerritexPro Concentrated Glass Greenhouse Cleaner, Conservatory Cleaner, Greenhouse Cleaner As Used By The Professionals for Window Cleaning, Conservatory Roof Cleaner, 2.5Ltr (2.5ltrs) by LQ SOLUTIONS based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Concentrated Window Cleaner and the best cost-to-value ratio is 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 cleanersat HG with a 14% discount.
Our list of the best Concentrated Window Cleaner 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 Concentrated Window Cleaner in The UK

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We scanned 810 products

We concluded that: