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10 Best Window Blocker Privacy Spray in The UK

Last updated on 09/07/2025

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Lifetree One Way Clear Window Film Privacy: Heat Reflective Mirror Window Film for Glass Windows Daytime Anti Glare with Adhesive, UV Window Tint Film Sun Blocker for Home Office (Silver, 105 * 200cm)

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Why We Love It

One-way privacy protects your view.
Energy-efficient for cost savings.
Durable PET material lasts longer.

Main Highlights

Daytime Privacy & Mirror Effect: During the day, when external light is stronger than internal light, the one-way window film acts like a mirror, providing effective indoor privacy. On cloudy days and at night, the mirror effect disappears, remember to use curtains for nighttime privacy
UV Protection & Natural Light: Effectively blocks 96% of harmful UV rays while allowing natural light to enter. It protects your skin and furniture from direct sunlight while maintaining heat in winter and keeping interiors cool in summer
Heat Control & Energy Efficiency: Reduce energy expenses with this window film, which blocks up to 90% of the sun's infrared rays. It effectively reducing indoor temperatures, saving on cooling costs during the summer. Create a comfortable living space with minimal effort and cost
PET Material & Economic: Made from high-quality PET material, it is thinner, clearer, and more durable than PVC alternatives, extending its lifespan. It is versatile and can be used in various settings, with multiple color options to match different needs. As an affordable alternative to curtains or blinds, this window film offers exceptional value
Adhesive & Easy Installation: One way window tinting film with adhesive that is not easy to peel of for Prevent falling and easy installation. It is explosion-proof, durable, and leaves no residue when removed. Remember to peel off the transparent film before installation; It is still necessary to spray water during installation, it will not affect the glue's effectiveness. Before installation, ensure the glass is clean

Gufoltie Window Film Privacy One Way Clear Heat Reflective UV Window Tint Mirror Film for Glass Windows Sun Blocker See Out Not in for Home Office Silver 90x400cm

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Why We Love It

Enhances privacy during the day.
Blocks harmful UV rays effectively.
Energy savings year-round guaranteed.

Main Highlights

One Way Window Film Privacy Protection at Daytime - Our one-way window film creates a mirror-like effect by reflecting light, thereby protecting your privacy while offering a clear view from the inside.
Enjoy Gentle Sunlight - Our silver window film blocks 97% of UV rays, based on precise measurements of actual objects, protecting your skin and preventing furniture from fading early. It also reduces harsh light, creating a comfortable environment filled with soft light.
Heat Control & Energy Efficient - Our one way Window film Blocking out 85% of infrared rays, 10% of VLT meaning effectively reduce glare.Our heat control window film can retain heat in winter and keep the heat out in summer,especially in intense summer.Helping reduce expensive heating and cooling costs.
HD PET Material - The one-way privacy film is made of PET, which is thinner, clearer and more wear-resistant than regular PVC. This material extends the life of the product and allows you to enjoy a clearer view of the window.
Adhesive and Easy Remove - Adding an adhesive layer makes the installation more firm, prevents falling off, and can also prevent splashing when the glass is broken. Spray a lot of water in the gap between the window film and the window during removal, easy to remove and no residue.

Homein One Way Window Film Privacy Film for Glass Windows 75x400cm, Silver Heat Control Vinyl Anti Glare, Self Adhesive Mirror UV Tint Clings Sun Blocker for Home, Office

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Why We Love It

Reflects heat, saves energy.
Ensures daytime privacy easily.
Blocks UV rays, reduces glare.

Main Highlights

Heat Reflective & Energy Efficiency: Homein heat reflective window film features a metallic coating that effectively reflects solar heat, reducing indoor temperature build-up and enhancing comfort. This helps lower energy usage and cuts air-conditioning costs during the summer months
Daytime Privacy Protection: Our one way window film ensures daytime privacy by leveraging the light contrast between indoors and outdoors to create a one-way mirror effect. However, this effect reverses at night when indoor lights are on. For nighttime privacy, we recommend using curtains
UV Blocking & Glare Reduction: Our UV window film blocks up to 98% of harmful UV rays, protecting your skin and preventing furniture from fading or aging. It also minimizes sun glare, reducing eye strain and creating a more comfortable indoor environment
Easy Application: No additional adhesive is required. Simply spray ample water on both sides of the film for a quick and secure application. The film won’t damage your windows and leaves no residue upon removal, making cleaning effortless
Versatile Use: Homein mirror window film is perfect for any smooth glass surface, including windows and sliding doors in homes or offices. It provides excellent shading while allowing natural light to brighten your space for everyday activities

Zindoo One Way Privacy Film for Glass Windows, Reflective Window Film Privacy, Anti Glare UV Mirror Window Tint Film Home, Sun Blocker Window Stickers Self Adhesive, Static Cling, Silver, 105x200cm

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Why We Love It

Blocks UV and infrared rays.
Easy to install and remove.
Perfect for privacy during daytime.

Main Highlights

😊【Anti-UV, Heat Insulation and Energy Saving】One way window film blocks out 90% of infrared rays and 95% of UV rays reducing glare and reducing fading and aging of interior furnishings. The heat control window film can retain heat in winter and keep it out in summer, reduce the cost of air conditioning.
⏳【Easy to Install】Tear off the back film,then use a lot of SOAPY WATER to fully soak the window film and glass and scrape the bubbles. If the bubbles do not disappear completely, please be patient for a few days for its disappear.
🌟【Adhesive and Easy Remove】Adding an adhesive layer makes the installation more firm, prevents falling off, and can also prevent splashing when the glass is broken. Spray a lot of water in the gap between the window film and the window during removal, easy to remove and no residue.
🏠【Wide Application】This reflective privacy window film can be installed on any smooth SINGLE-LAYER glass surface.Simple tailoring, perfect for bedrooms, kitchens, offices, balconies, backyard schools , shopping malls, etc.Decorative, privacy but with light in, reflecting off harmful light.
❤️【One Way Privacy Protection】The silver one way reflective mirrow window film provides perfect privacy during daytime only because outside glass shows mirror effect. As the outside light becomes weaker, the mirror effect of outside glass will disappear gradually and outside people can see inside. Remember to draw curtain at night.

Zindoo Window Film One Way Privacy Film for Glass Windows, Mirror Reflective Window Tint Film See Out Not In, Anti UV Sun Blocker Window Film, Self Adhesive Home Office Glass Door, Silver, 59.5x200cm

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Why We Love It

Energy Efficient Year-Round Comfort.
Enhances Privacy During Daytime.
Blocks Harmful UV Rays Effectively.

Main Highlights

🌟Energy Saving & Regulate Temperature: Using our reflective window film in summer can effectively block heat to keep cool, while it also helps with insulation in winter, saving on energy costs. An immediate and cost-effective solution to minimize glare and create a more comfortable indoor environment for your family.
❤️One Way Window Film Privacy Protection at Daytime: The window privacy film creates a mirror effect by reflecting light on the side with the most light, thereby protecting your privacy while offering a clear view from the inside. NOTE: At night, with more indoor light and darker outside, the indoor mirror effect appears and exterior can see in, so Remember To Draw Your Curtains during night.
😊Block UV Rays & Anti Glare: Our one way privacy film for glass windows blocks 90% of UV rays and 85% infrared rays, protecting your skin and preventing furniture from fading early. It also reduces harsh light, creating a comfortable environment filled with soft light.
⏳Installation Tools Included: You will receive a squeegee and a craft cutting knife. Easy to apply and peel off no residue. Remove the backing transparent protective film, make sure glass surface is clean and smooth, spray enough water to both the adhesive side and window, remove excess water and bubbles. To ensure that the mirror window film does not easily slide off, our privacy window film has an adhesive design. And face a large window, it's recommended to have 2 people assist to install.
🏠Widely Used: Window film privacy one way clear is suitable for for any flat, clean, and smooth glass surface, such as home, office, classroom, kitchen, living room, car window tint, sliding doors, etc. Note: Not recommended to apply the window films on a double-glazed window that will be exposed to the sun for a long time.

Lifetree Reflective One Way Window Film Privacy: Heat Control Mirror Window Tint Film Sun Blocker, UV Anti Glare Film Clear Day and Night for Home Office (Silver, 60 * 200cm)

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Why We Love It

Enhances daytime privacy effortlessly.
Blocks UV rays effectively.
Easy installation with spray method.

Main Highlights

Heat Reflective, Energy Saving: This reflective window film can block heat by reflecting outdoor infrared rays. This window tint film helps you reduce summer cooling costs, retain warmth in winter, and enjoy a more comfortable home life
Sunny Day One Way Privacy Protection: One way window film reflect light outdoors to create a mirror effect outside. You can see out of your window, but can't see in from outside. Notice: This privacy effect does not work on night and cloudy day, please close the curtains
UV Protection, Anti Glare: Lifetree reflective window film privacy blocks up to 96% of UV rays and filters out glare, allow more natural light in while protecting your furniture and floors from fading and damage due to harmful UV rays, creates a comfortable indoor environment
No Glue, Easy to Install: No glue, no residue, Using static cling mirror reflective film, easy to install. Perfect for renters and homeowners looking for a removable solution. We recommend two people to assist for larger windows. If you have any questions about installation, we're here to help
Installation Recommendations: 1. Spray a large amount of water to stick; 2. Wrap the scraper with a damp towel and squeeze out bubbles; 3. Do not fold the window film to avoid wrinkle

ConCus-T One Way Window Film UV Sun Blocker Heat Control Window Tint Privacy Reflective Static Cling Mirror Film Solar Film With Kit for Home Office, Black, 90x300cm

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Why We Love It

Easy installation with included kit.
Blocks UV and glare effectively.
Provides one-way indoor privacy.

Main Highlights

ConCus-T Window Tint Kit: Window film paper tube includes scraper, knife, tape measure and spray bottle you need in installation. No glue design one way window film. Easy to apply with the window film application kit included in the package and follow the installation instructions. Relocatable Reusable
Dark Window Film: No glue sun shade window film in black design blocks UV and blocks glare. Special static cling window vinyl is easy to install with water
Anti UV Window Film: Window film sun blocker protects people indoor and furniture from UV. The dark solar tint reduces furniture aging and offers you comfortable reading and working places
One Way Privacy Film for Glass Windows: The reflective window film you can see out no one see in shows mirror effect outside during daytime for indoor privacy protection. No more worrying about people peeking into your room through the mirrored window tint. Please draw curtains at night
Intimate Service: Refer to the installation instruction included in the dark window film package before installation. TIPS to avoid much scratchs: We suggest you putting the transparent protective film (please do not throw the transparent protective film away) on the front of the window film. Then smooth down the window film with the soft side of scraper included in the paper tube. It is a good way to avoid much scratchs. TIPS to avoid bubbles: Please make sure that the glass is flat, smooth and clean. Spray plenty of soapy water. We are happy to answer any questions about the product for you

Zindoo Window Film Privacy One Way Clear Privacy Film For Glass Windows, Reflective Window Mirror Film Anti Glare Window Tint Film Sun Blocker Privacy Window Film See Out Not In (60x200cm, Silver)

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Why We Love It

Energy efficient heat control benefits.
Daytime privacy with clear views.
Blocks UV rays, protects interiors.

Main Highlights

🌟【Energy Saving & Heat Control】With the mirror reflective design, our one way window film effectively reduces heat transfer through your glass. Keep cool in summer and help with insulation in winter. An economical way to create a comfortable indoor space all year around.
❤️【Daytime Privacy Protection】The reflective window film creates a mirror effect on the side with the most light, providing needed privacy, while offering you a great one way view. Such as during the day, especially sunny days, your neighbours or pass-by won't see inside, but you can enjoy the outside scenery. NOTE: when the the inside light is stronger than outside, like at night, the mirror effect will be reversed, so Remember To Draw Your Curtains during night.
😊【UV Protection & Glare Reduction】Window film privacy one way clear blocks out 97% of harmful UV rays and 85% infrared rays, effectively protect your skin and prevent interior furniture and floors from aging and fading due to sun exposure. Anti-glare while still letting in the natural light.
⏳【Installation Tools Included】Our package includes a squeegee and a craft knife for cutting. Adding an adhesive layer, our window film privacy is more firmly to cling on the glass surface. You just need to make sure glass surface is completely clean and smooth, spray a lot of water to both the adhesive side and window, remove excess water and bubbles. Easy to remove leave no residue. NOTE: Remember to peel off the backing transparent protective film before installation.
🏠【Widely Application】One Way Privacy film for glass windows can be used for any flat, clean, and smooth glass surfaces at home, office, kitchen, classroom, living room, car window tint, garage doors, commercial buildings, etc. NOTE: Not recommended to install the window privacy film on a double-glazed window that will be exposed to the sun for a long time.

HONLONE Window Film Privacy Film For Glass Windows One Way Reflective Window Film Anti Glare Mirror Film For Window Tint Film Sun Blocker UV Film Black Silver For Home Office

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Why We Love It

Excellent daytime privacy protection.
Blocks harmful UV rays effectively.
Easy installation with no adhesive.

Main Highlights

【Privacy Protection】 Our privacy window film offers you excellent privacy during the day, with a mirrored effect on the outside so that the outside is invisible while you can still see the outside. Note: If the lights are switched on at night, the mirror effect will be reversed and you can see the interior from the outside. Remember to draw the curtains at night.
【UV-blocking】 Mirror window film privacy blocks 90% of UV rays and 82% of infrared rays. Not only can it reduce the fading and aging of indoor furniture, protect your skin health and prevent sunburn, but also reduce the glare, so that you can achieve comfortable office and study indoors.
【Thermal insulation, energy saving】 Our mirror film for windows one way reflects a portion of the sun's rays, lowering the indoor temperature so that the summer heat is no longer unbearable, while allowing natural light to enter, so that the indoor light is soft and comfortable, greatly reducing the cost of cooling.
【Non-adhesive Design】 Our window tint film home is very simple to install, no glue, no traces, the use of mirror adsorption effect, spray a lot of soapy water can be adsorbed!
【Wide Application】 Window stickers for glass privacy can be used in all places where you need privacy, such as bedrooms, kitchens, office areas, etc.

Warmiehomy One Way Window Film Privacy Static Cling,100x100cm Mirror Reflective Sun Blocker Anti-UV Window Tint Film,Heat Control Anti Glare Glass Window Film for Home and Office,Silver

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Why We Love It

Reduces glare effectively.
Blocks harmful UV rays.
Easy to apply and reusable.

Main Highlights

【Visible Light Transmission&Heat Control】:35% of Visible Light Transmission helps reduce glare from harsh light.One way window film effectively blocks out 88% of infrared rays that retaining heat in winter and keeping the heat out in summer.
【UV Blcoking Protection】:Reflective window UV film can blocks out 99% of UV rays to Protect your skin and prevent interior furnishings from premature fading.
【Daytime Privacy Protection】：one way window film provides a mirror effect by reflecting light during daytime, which can protect your privacy.Attention: The mirror effect of the window film will be reversed when the inside light is stronger than outdoor,curtains are necessary during night.
【Static Cling】:window tint coverings are glue free design,no chemical release,and spray enough soapy water to fix it on the glass easily.Relocatable and Reusable.
【Wide Application】:This window film can be applied to any clean, and smooth glass at home balcony, office,kitchen,classroom,etc.If you have any questions please contact us,we have a professional team to solve your problem within 24 hours.

8.8

Excellent

We scanned 473 products

We reviewed these offers relevant to the Window Blocker Privacy Spray 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 Lifetree, Gufoltie, Homein, Zindoo, ConCus-T, HONLONE, Warmiehomy, 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 Blocker Privacy Spray in the market, we considered we took a deep dive into 2366 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 Lifetree One Way Clear Window Film Privacy: Heat Reflective Mirror Window Film for Glass Windows Daytime Anti Glare with Adhesive, UV Window Tint Film Sun Blocker for Home Office (Silver, 105 * 200cm). We love many things about this product by Lifetree. What sets it apart from the competition is One-way privacy protects your view. , Energy-efficient for cost savings. , Durable PET material lasts longer. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Gufoltie Window Film Privacy One Way Clear Heat Reflective UV Window Tint Mirror Film for Glass Windows Sun Blocker See Out Not in for Home Office Silver 90x400cm by Gufoltie based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Window Blocker Privacy Spray and the best cost-to-value ratio is Warmiehomy One Way Window Film Privacy Static Cling,100x100cm Mirror Reflective Sun Blocker Anti-UV Window Tint Film,Heat Control Anti Glare Glass Window Film for Home and Office,Silverat Warmiehomy with a % discount.
Our list of the best Window Blocker Privacy Spray 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 Blocker Privacy Spray in The UK

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We scanned 473 products

We concluded that: