BBy Bikram Nath·Researched from UK Amazon listings·Updated 2026-07-26·6 products compared
The short answer
Our top pick for OLED TVs Under £800 in the UK is the LG OLED48B56LA 48-inch B5 OLED 4K Smart TV (2025).
The new default under £800: a current-generation LG OLED with perfect blacks, Dolby Vision and 120Hz gaming at a price that now beats most of last year's clearance deals.
Disclosure: As an Amazon Associate I earn from qualifying purchases. This guide contains Amazon affiliate links, and we may earn a commission — at no extra cost to you — but it never changes our rankings.
OLED used to mean spending £1,200 or more in the UK. In 2026 it doesn't. Falling panel prices mean £800 now buys a genuine OLED from LG, Samsung, Panasonic or Philips — self-emissive pixels, perfect blacks, 4K resolution and proper HDR, mostly in the 42 to 48-inch bracket. The value picture has shifted during 2026, though: the star buys are now LG's 2025 models, with the 48-inch B5 settled around £650–£680 and the 42-inch C5 typically under £730, while leftover 2024 clearance stock — including the once-dominant LG B4 — is drying up and prices on remaining units have actually risen, in some cases above the cap. Every model in this guide is a real, currently sold amazon.co.uk product from a mainstream brand, and each is covered by the Consumer Rights Act 2015. Prices move constantly at this end of the market — treat the figures here as guides and always check the live Amazon price before buying.
Buying guide
What to look for in OLED TVs Under £800
1The value story has flipped in 2026: the 2025 LG B5 is now frequently cheaper than leftover 2024 clearance stock — check both before assuming last year's model is the bargain
2Under £800 you are mostly choosing between 42 and 48 inches; 55-inch OLEDs occasionally dip into range during sale events but usually sit at £850–£900
3Gamers should check refresh rate and HDMI 2.1: the LG B5 runs 4K at 120Hz, and the LG C5 and Samsung S90D reach 144Hz for PC gaming
4HDR formats differ by brand — LG, Panasonic and Philips support Dolby Vision; Samsung uses HDR10+ instead and never includes Dolby Vision
5For live UK TV without an aerial, look for Freely (built into the Panasonic Z80A) or Freeview Play (LG webOS sets); Samsung Tizen relies on individual catch-up apps
6OLED TVs carry F or G energy ratings — expect roughly £40–£60 a year in electricity at average UK tariffs, more than an equivalent LED set
Our process
How we choose our picks
We don’t lab-test products ourselves. Instead we synthesise the strongest independent evidence — current Amazon UK listings, verified-buyer feedback, published specs and UK pricing — into clear, honest recommendations. We earn a commission if you buy through our links, but that never changes which products we rank.
Current UK availability
We only shortlist products actively listed and in stock on Amazon UK, checked against live catalogue data — not last year’s models.
Publicly visible buyer feedback
We look at how each product is received by UK shoppers — its overall rating standing and the praise or complaints that recur in public reviews — rather than relying on a single reviewer’s opinion.
Published specs & value
We compare manufacturer specifications, typical UK price bands, warranty and running costs so each pick is right for a real budget and use-case.
UK-specific fit
We factor in UK voltage, plug/fitting standards, CE/UKCA marking and Consumer Rights Act cover — details that generic global lists miss.
The new default under £800: a current-generation LG OLED with perfect blacks, Dolby Vision and 120Hz gaming at a price that now beats most of last year's clearance deals.
Screen Size
48 inches
Resolution
3840 × 2160 (4K UHD)
Hdr
Dolby Vision, HDR10, HLG
Smart Tv
webOS 25 with Freeview Play and Alexa
Refresh Rate
120Hz
Processor
α8 AI Processor Gen2
What we like
+The best-value OLED in the UK right now — listings have settled around £650–£680, undercutting most leftover 2024 clearance stock
+webOS 25 brings LG's latest AI picture and sound modes plus years of OS updates that 2024 models won't get
+Dolby Atmos, Dolby Vision and 120Hz HDMI 2.1 gaming carried over from pricier LG sets
Worth noting
–Like all B-series sets, brightness trails the C-series in bright, sun-facing UK living rooms
–120Hz rather than the 144Hz of the C5 and S90D — irrelevant for consoles, but PC gamers may notice
LG OLED42C55LA 42-inch C5 evo OLED 4K Smart TV (2025)
The picture-quality pick: LG's current C5 in its smallest size brings the flagship α9 processor and 144Hz gaming under the £800 line.
Screen Size
42 inches
Resolution
3840 × 2160 (4K UHD)
Hdr
Dolby Vision, HDR10, HLG
Smart Tv
webOS 25 with Freeview Play and Alexa
Refresh Rate
144Hz
Processor
α9 AI Processor 4K Gen8
What we like
+Step-up α9 processor and brighter evo panel tuning than the B-series — the best picture quality per pound under £800
+144Hz refresh rate with four full-bandwidth HDMI 2.1 ports is ideal for console and PC gamers alike
+42-inch size fits UK flats, bedrooms and desks where a 48-inch set is too much
Worth noting
–42 inches is too small as the main TV in a typical UK lounge
–Priced near the cap — best UK prices sit around £729, though many retailers still charge £900+, so there is little headroom if the best listings sell out
Samsung QE48S90D 48-inch S90D OLED 4K Smart TV (2024)
The gamer's pick under £800 — when you catch it at a genuine deal price: 144Hz, ultra-low input lag and Gaming Hub make it the most complete gaming OLED at the money.
Screen Size
48 inches
Resolution
3840 × 2160 (4K UHD)
Hdr
HDR10+, HDR10, HLG
Smart Tv
Tizen OS with Gaming Hub and SmartThings
Refresh Rate
144Hz with Motion Xcelerator
Processor
NQ4 AI Gen2 Processor
What we like
+144Hz Motion Xcelerator plus Samsung Gaming Hub — cloud gaming from Xbox and NVIDIA GeForce NOW without a console
+LaserSlim design is one of the thinnest sets in this price bracket
+Has been discounted as low as £649 at UK retailers — a standout price for a 144Hz OLED when a deal is live
Worth noting
–No Dolby Vision — Samsung supports HDR10+ only, and some UK streaming content masters in Dolby Vision
–The 48-inch S90D uses a standard OLED panel, not the brighter QD-OLED found in its larger sizes
–2024 stock is thinning and many sellers have drifted back towards £899–£999 — only buy at a confirmed sub-£800 price, or consider its S90F successor in a sale
A deal-watch pick, not a default buy: the B4 is still a fine television, but with clearance stock drying up and prices rising, only buy it at a confirmed sub-£800 price — otherwise the newer B5 is cheaper.
Screen Size
48 inches
Resolution
3840 × 2160 (4K UHD)
Hdr
Dolby Vision, HDR10, HLG
Smart Tv
webOS with Freeview Play and Alexa
Refresh Rate
120Hz
Processor
α8 AI Processor 4K
What we like
+Self-emissive OLED panel with perfect blacks, Dolby Vision and the full set of UK catch-up apps on webOS
+120Hz panel with HDMI 2.1, G-Sync and FreeSync support makes it genuinely PS5 and Xbox Series X ready
+During 2025–26 clearance events it sold well under £600, which is why it was long the default budget OLED recommendation
Worth noting
–Remaining 2024 stock has risen in price — many current UK listings sit just over £800 (around £820 at the best price we found), so it is only worth buying if you catch a listing back under the cap
–Noticeably dimmer than LG's C-series in bright, sun-facing UK living rooms, and the newer B5 now often costs less
Philips 48OLED759 48-inch Ambilight OLED 4K Smart TV (2024)
The style pick — with a caveat: on the occasions it dips under £800, the OLED759 Ambilight glow makes it the most distinctive living-room OLED you can buy in the UK. At its usual £880+, skip it.
Screen Size
48 inches
Resolution
3840 × 2160 (4K UHD)
Hdr
Dolby Vision, HDR10+, HDR10, HLG
Smart Tv
Titan OS with Alexa and Google Assistant support
Refresh Rate
120Hz
Ambilight
3-sided Ambilight
What we like
+Three-sided Ambilight projects matching colour onto the wall behind the TV — no other brand offers it at any price
+P5 AI picture engine with support for both Dolby Vision and HDR10+
+120Hz panel with VRR support keeps it relevant for console gaming
Worth noting
–Pricing straddles the cap — current UK listings run around £880, only dipping under £800 in occasional sales, so only buy at a confirmed sub-£800 price
–Titan OS has a smaller app catalogue than webOS or Tizen, though the major UK services are covered
Samsung QE48S90F 48-inch OLED (2025) — The S90D's successor has dipped to £788 in Amazon sale events but typically sits around £829 — worth watching during Prime Day and Black Friday, especially if S90D stock dries up.View on Amazon
LG OLED55B56LA 55-inch B5 (2025) — The stretch pick if you need 55 inches — UK listings sit around £899, so it misses the cap, but it's the cheapest route to a big-screen 2025 OLED.View on Amazon
Editor's Note
All six sets carry UKCA/CE marking and comply with UK electrical safety regulations. OLED panels rate F or G on the UK A–G energy label — budget roughly £40–£60 a year in electricity at average tariffs, and use the built-in eco or auto-brightness modes to trim that. Burn-in on modern OLED sets is far less of a concern than it was: every model here runs automatic pixel-refresh and screen-shift routines, and mixed viewing habits make permanent image retention unlikely within a typical ownership period. Under the Consumer Rights Act 2015 you have up to six years to claim against an inherent fault from the retailer, so keep your Amazon order confirmation. Finally, prices in this bracket swing weekly — 2024 models especially can jump above the cap or vanish as remaining stock sells through, so always check the live price, and if a set you want is in band, don't wait for a marginally better deal.
Our Take
For most of the past year the under-£800 OLED story was a clearance story — grab a 2024 LG B4 or Samsung S90D before stock ran out. In mid-2026 that has flipped: remaining B4 stock now often costs more than the newer B5, and S90D listings have drifted back towards £900 at many sellers. My honest advice: buy the 48-inch B5 — it's current-generation, comfortably in band and often the cheapest OLED here full stop. Picture obsessives with a smaller room should look at the 42-inch C5 for its α9 processor, and only chase the B4 or S90D if you catch a genuine sub-£800 listing. The one group who should hesitate are big-room households — 48 inches is the practical ceiling at this budget, and stretching another £100 for a 55-inch B5 may serve a large lounge better than any set on this list.
Questions & answers
Frequently asked questions
Can you get a good OLED TV under £800 in the UK?
Yes — in 2026, £800 comfortably buys a genuine 42 to 48-inch OLED from a mainstream brand. The 2025 48-inch LG B5 has settled around £650–£680 at UK retailers, and the 42-inch LG C5 typically sits under £730. Both offer perfect blacks, 4K HDR and high-refresh gaming support.
Is an OLED TV worth it over a QLED at this price?
If you mostly watch films and streaming in a dim or evening-lit room, yes — OLED's per-pixel lighting gives perfect blacks and contrast no similarly priced QLED can match. If your room is very bright or you want a 55-inch-plus screen for under £800, a large QLED will serve you better than a small OLED.
Is burn-in still a problem on OLED TVs?
Much less than it used to be. Modern sets from LG, Samsung, Panasonic and Philips run automatic pixel-refresh cycles and pixel-shift routines that make permanent burn-in unlikely with normal, mixed viewing. It remains a theoretical risk if you display a static image — like a news ticker or game HUD — for many hours daily over years.
What size OLED TV can I get for under £800 in the UK?
Realistically 42 or 48 inches. The 48-inch bracket is the sweet spot, with the LG B5 and Panasonic Z80A comfortably in band and the Samsung S90D and Philips OLED759 dipping under £800 at their better prices; the 42-inch LG C5 also sits inside the cap. 55-inch OLEDs such as the LG B5 dip towards this level only during major sale events like Prime Day or Black Friday.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. UKPicks earns a small commission from qualifying purchases made via links on this page. This does not affect our editorial recommendations or the price you pay.