10 Best 40 Inch Smart Tv in The UK

Last updated on 19/08/2025

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Panasonic TV-40S55AEY, S55 Series 40 inch Full HD LED Smart TV, 2024, Fire TV, HD Colour Engine, HDR, Alexa Voice Control, Media Player, For An Exceptional Visual Experience

Why We Love It

HD Colour Engine delivers vibrancy.
Instant access with Fire TV.
Alexa Voice Control included.

Main Highlights

HD COLOUR ENGINE: Experience vibrant visuals with this LED TV's HD Colour Engine processing chip, delivering natural colours and breathtaking content across TV shows, movies and games
HIGH CONTRAST IMAGES: Enjoy a rich, high contrast picture with High Dynamic Range (HDR) technology, producing deeper blacks and brighter whites for an elevated viewing experience
WITH FIRE TV BUILT-IN: Access your content instantly with Fire TV's intuitive, personalised main home screen, while the system also allows you to control compatible smart home devices, lighting, and more directly from your Full HD TV
ALEXA VOICE CONTROL: Control your Smart TV with Alexa on the Voice Remote, making it simple to change channels, launch apps and manage compatible smart home devices using just your voice
GAME MODE: Level up your gaming with the dedicated Game Mode, specially designed to reduce input lag and ensure a smooth gaming experience for all your favourite titles
MEDIA PLAYER: Connect USB drives with ease to access all your personal music, videos, and photos through the built-in Media Player, making this HDR TV ideal for family entertainment
CONNECTIVITY: HDMI x 1 (side) x 1 (back), HDMI 1.4 Support Feature, Ethernet x 1 (back), USB 2.0 x 1 (side), ARC (2 inputs, rear), Headphone Output x 1 (side), Digital Audio Output x 1 (rear)

Panasonic TB-40S45AEY, S45 Series 40 inch Full HD LED Smart TV, 2024, TiVo, Google & Alexa Voice Control, Media Player, HDR, HDMI, For An Exceptional Visual Experience

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Why We Love It

Crisp, realistic visuals with HDR.
Personalised Smart TV experience.
Effortless hands-free voice control.

Main Highlights

FULL HD PICTURE PERFORMANCE: Elevate your viewing with this LED TV's High Definition resolution and HD Colour Engine, delivering crisp, realistic visuals and natural colours that make shows, movies and games come to life
TIVO SMART TV: Discover new favourites with a personalised Smart TV experience powered by TiVo, offering access to streaming apps, and tailored recommendations based on your unique taste profile
VOICE CONTROL: Experience effortless hands-free control with Google and Alexa voice control support, perfect for changing channels, adjusting the volume or turning the power on or off, all without reaching for the remote
GAME MODE: Dive into the action with this Full HD TV's dedicated Game Mode, optimised for low latency and smooth gaming performance, ensuring you enjoy every session to the fullest
FLEXIBLE VIEWING OPTIONS: Enjoy versatile viewing in any room, with the HD Triple Tuner, plus WLAN and HDMI, and easy access to personal content via the USB Media Player, making this HDR TV the ideal entertainment hub
HIGH CONTRAST IMAGES: Immerse yourself in rich visuals, deeper blacks, brighter whites and an expanded colour palette with High Dynamic Range (HDR) technology
CONNECTIVITY: HDMI x 1 (side) x 1 (back), HDMI 1.4 Support Feature, Ethernet x 1 (back), USB 2.0 x 1 (side), ARC (2 inputs, rear), Headphone Output x 1 (side), Digital Audio Output x 1 (rear)

LG LED UR78 43" 4K Smart TV, 2023 [Energy Class G]

14% Off

Why We Love It

Stunning 4K Ultra HD visuals.
Sleek, modern design aesthetic.
Enhanced gaming with optimisers.

Main Highlights

Sharp 4K Ultra HD picture & AI Sound, driven by the smart α5 AI processor
Sleek and slim design
webOS smart platform with Freeview Play, Netflix, Disney+ and more
Instant movie theatre with FILMMAKER mode and HDR
Enhance your gaming experience with built in Game Optimiser & ALLM

Philips 40PHS6009 Full HD LED Smart TV - 40 Inch Display with Pixel Plus, Titan OS Platform and Dolby Digital Sound, Works with Alexa and Google Voice Assistant - Matt Black

Free Shipping

Why We Love It

Sharp, optimized picture quality.
Immersive Dolby Audio experience.
Eco-friendly, sustainable materials.

Main Highlights

SHARP PICTURE: Love everything you watch on this HD LED TV. Philips Pixel Plus engine optimizes picture quality to deliver sharp images, rich colours, and smooth motion. You get the best possibleviewing experience every time.
TITAN OS PLATFORM: Find what you love with our TITAN OS smart TV platform. Enjoying a series? Continue watching straight from the home screen. Looking for something new? Browse categories and see suggestions from top streaming services in one place.
DOLBY AUDIO: Be immersed in your favorite shows and movies. This LED smart TV supports Dolby Audio for crisper, clearer sound. Whatever you love to watch, youll hear it better.
SUSTAINABLE MATERIALS: With its almost bezel-free screen, this sleek 4K UHD TV looks great in any room. The TV remote uses recycled plastic, our packaging uses FSC-certified recycled cardboard, and inserts are printed on recycled paper.
AI VOICE CONTROL: You can ask Alexa to control the TV via Alexa-enabled devices, or you can control your TV via Google smart speakers.Use your voice to find movies and shows, get recommendations, and more.

RCA Roku TV 40" FHD Smart TV, RK40FQ1 40 Inch TV with Apple TV+ BBC Netflix Freeview, HDR Dolby Audio HDMI USB Port, Large Screen TV for Living Room

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Why We Love It

Space-saving sleek design.
Roku provides rich content.
HDR for detailed images.

Main Highlights

RCA 40" Smart TV: Your RCA 40" FHD LED TV has a slim and lightweight design that saves you space and is perfect for your living room, home, meeting room.
Roku Smart TV: Your RCA TV is equipped with Roku operating system, which provides rich content. With built-in apps like BBC, Netflix, Freeview Play, Disney+, you can explore your favorite shows and movies.
HDR Technology: HDR technology enables an ultra-wide color space to display images with a high dynamic range, allowing you to enjoy more picture detail.
High Quality Sound System: Dolby Audio and DTS Studio Sound on your RCA TV simulates surround sound without additional loudspeakers, allowing you to enjoy rich stereo sound and immersive virtual surround sound.
Various Extension Interfaces: This compact and portable RCA TV has 2 x HDMI port, 2 x USB port, 1 x RF Input, 1 x RJ45, 1 x Optical. Various interfaces allow you to expand more devices on this TV.

Finlux MF24F 40 inch FHD, Smart, Fire TV, HDR10, Dolby Audio, DTS Virtual X, DTS HD

25% OffFree Shipping

Why We Love It

Full HD with enhanced clarity.
Vibrant colors with HDR10.
Crystal clear Dolby Audio.

Main Highlights

Enjoy all the content you love in Full HD with enhanced clarity and detail.
Watch TV shows and films in enhanced contrast, higher brightness levels, and a broader colour spectrum with HDR10.
Dolby Audio delivers clear, rich sound, providing a crystal clear listening experience.
DTS Virtual:X paired with DTS-HD technology creates a cinematic experience, transforming your favourite movies and shows with lifelike surround sound.
Get right to your good stuff - Fire TV is designed for TV watchers. With all of your favourite films, TV shows, apps, and other content in one place, you can access whatever you’re in the mood for.

CRUA 40 Inch Smart TV VIDAA, Full HD 1080P LED TV with HDMI USB AV, Triple Tuner DVB-T2/T/C/S2, Compact Flat Screen TV for Home, Bedroom or Kitchen, Black [Energy Class E]

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Why We Love It

Stunning visuals with vibrant colors.
Effortless access to streaming services.
Convenient built-in TV tuners.

Main Highlights

Stunning Picture Quality with 16.7M Colours Enjoy breathtaking visuals with 16.7 million colours, Full HD 1920×1080 resolution, and a 5000:1 contrast ratio. Perfect for capturing rich detail—from sunset hues to fast-moving action scenes.
Smart TV with VIDAA OS & One-Click Streaming Powered by VIDAA OS for smooth, easy navigation. Instantly access Netflix, YouTube, Prime Video, Disney+, Plex, and more via dedicated remote control buttons—no complicated menus.
Built-in Triple Tuner for Freeview, Cable & Satellite Enjoy maximum flexibility with built-in DVB-T2/T/C/S2 tuners. Watch live TV via aerial, cable or satellite without external devices—ideal for Freeview viewers in the UK.
Game Mode & Motion Clarity for Sports and Gaming Optimised for fast-paced content. Game Mode reduces input lag, while motion smoothing keeps visuals crisp during sports, racing games and action films—no blur, no delay.
Multiple Ports & Sleek Compact Design Connect easily with 3 HDMI ports, 2 USB, Optical, AV, RF, CI+, and Ethernet. Sleek black frame fits any space—perfect for living rooms, bedrooms, or student flats. Lightweight and easy to move.

TCL 40SF540K 40-inch FHD Smart Television - HDR & HLG-Dolby Audio-DTS Virtual X/DTS-HD-Metal Bezel-less-Dual-band Wifi 5-with Fire OS 7 system

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Why We Love It

Stunning Full High Definition display.
Endless entertainment with Fire TV.
Immersive surround sound experience.

Main Highlights

See every detail with FHD: Compared to high definition screens, full high definition screen can present you with twice the real and detailed picture. Sit still and enjoy incredible picture details as the film makers intended.
Endless entertainment: With Fire TV built-in, enjoy endless entertainment on thousands of apps and channels, including BBC iPlayer, Netflix, Prime Video, YouTube, Disney+, NOW, Freeview play and many more. (subscription fees may apply)
Theatrical Sound Enjoyment: Inserted Dolby Decoder, giving you a memorable viewing experience with a pure, deep and impactful surround sound. DTS Virtual X /DTS-HD makes an enveloping sound that appears to emerge above, besides, and behind you, providing an immersive experience in any space.
Smart voice control: Control the Smart TV easily with the included Voice Remote with Alexa. Change channels, adjust volume, open apps and much more. You can also operate other compatible smart home devices in your household with your voice.
Mira Cast & Airplay 2 : Smart Cast helps you to gain considerable comfort by viewing and playing the media assets contained on your Android, iOS and Mac devices via Miracast and AirPlay.

Toshiba 40LF2F53DB, 40 Inch Full HD Fire TV, TRU Resolution, TRU Micro Dimming, HDR10, Dolby Audio

15% OffFree Shipping

Why We Love It

Improves contrast for clarity.
Enhanced sound with Dolby Audio.
Access all content easily.

Main Highlights

TRU Micro Dimming improves contrast, focussing on all the different regions of the image. TRU Resolution upscales a wide variety of non-HD content, delivering a more refined image that feels fully immersive.
Dial up the impact of your entertainment with the enhanced sound of Dolby Audio. It delivers crystal clarity, easy-to-hear dialogue, great detail, and realistic surround sound to make the entertainment you love even better.
Step into the action with increased clarity and detail.
High Dynamic Range offers better contrast, greater brightness levels and a wider colour palette. Films and TV shows will look more life-like with supported content.
Get right to your good stuff - Fire TV is designed for TV watchers. With all of your favourite films, TV shows, apps, and other content in one place, you can access whatever you’re in the mood for.

Westinghouse Roku 40" Full HD 1080p Smart TV, with Dolby Audio,HDR,Apple TV+,BBC, Netflix, Freeview Play,Dolby Vision Television with HDMI USB Port,40 inch Large Screen Television

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Why We Love It

Extensive selection of premium channels.
Stunning visuals with HDR technology.
Seamless voice control functionality.

Main Highlights

Stream Premium Channels Get the latest channels with Westinghouse Roku TV. Netflix，Youtube，Disney+，prime video，HBO NOW，Sling TV，The Roku Channel，Google Play Movies&TV，MTV，FXNOW，Peacock，Redbull TV，Roku Tips&Tricks，NBA，Fox Business Network，The Wall Street Journal，Roku Media Player，SHOWTIME，Movies，Tubi - Free Movies & TV，Roku TV Intro，Youtube Music，Spotify Music and Podcasts，What to watch，Nat Geo TV，HappyKids.tv，popcornflix，Stingray，The Great Courses Plus，Gaia，NFL SUNDAY TICKET，MLB.tv，A&E，ESPN，Apple TV，TED TV and more!
The FHD LED TV boasts a slim and lightweight design. With HDR technology, it delivers an ultra-wide colour gamut, high dynamic range display, and allows you to enjoy images bursting with rich detail.
Voice Search & Control Play your entertainment faster using the voice control and search feature on your free Roku Mobile App.
High technology, simple operation Smart remote control gives you more channel choices, simple operation, and free operation,Compatible with your Amazon Alexa, Google Assistant-enabled, and Apple HomeKit devices.
Various expansion interfaces: 3 HDMl ports, 1USB 2.0 ports and other multiple interfaces allow you to expand more devices on this TV to meet your life needs.

8.7

Excellent

We scanned 216 products

We reviewed these offers relevant to the 40 Inch Smart Tv 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 Panasonic, LG, Philips, RCA, Finlux, CRUA, TCL, Toshiba, Westinghouse, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best 40 Inch Smart Tv in the market, we considered we took a deep dive into 1081 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 Panasonic TV-40S55AEY, S55 Series 40 inch Full HD LED Smart TV, 2024, Fire TV, HD Colour Engine, HDR, Alexa Voice Control, Media Player, For An Exceptional Visual Experience. We love many things about this product by Panasonic. What sets it apart from the competition is HD Colour Engine delivers vibrancy, Instant access with Fire TV, Alexa Voice Control included.
The best value product for most shoppers and where user satisfaction is continuously the highest is Panasonic TB-40S45AEY, S45 Series 40 inch Full HD LED Smart TV, 2024, TiVo, Google & Alexa Voice Control, Media Player, HDR, HDMI, For An Exceptional Visual Experience by Panasonic based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for 40 Inch Smart Tv and the best cost-to-value ratio is Finlux MF24F 40 inch FHD, Smart, Fire TV, HDR10, Dolby Audio, DTS Virtual X, DTS HDat Finlux with a 25% discount.
Our list of the best 40 Inch Smart Tv 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 40 Inch Smart Tv in The UK

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We scanned 216 products

We concluded that: