Is It Worth Repairing My TV?

Average UK labour and parts costs — always get multiple quotes from local engineers.

Modern LED TVs typically last 7–10 years before picture quality degrades or faults develop. OLED TVs are expected to last longer — 10–15+ years — but can be expensive to repair. The actual panel (the screen itself) has a rated life of 60,000–100,000 hours of use.

Screen damage (cracks, breaks) is rarely worth repairing — screen replacements often cost as much as a new TV. For everything else — backlights, boards, ports — repair is usually worth it if the TV is under 5 years old and the fault costs less than 40% of a replacement. Beyond 6–7 years, newer TVs offer significantly better picture quality and energy efficiency.

Understanding your TV's display technology helps you judge whether a repair is worthwhile. Standard LED TVs (also called LCD TVs with LED backlighting) are the most common and affordable type in UK homes. Backlight and board repairs on these models are generally cost-effective. OLED TVs — sold by LG, Sony, and others — offer superior picture quality with self-emitting pixels, but replacement panels are expensive and typically only available through the manufacturer. QLED TVs, primarily from Samsung, use quantum dot technology on an LED backlight and fall between the two in terms of repair costs. As a rule of thumb, the more premium the display technology, the higher the repair cost — but also the higher the replacement cost, which can make repairs on premium sets more justifiable.

• Visible lines or dead zones on the screen — horizontal or vertical lines that don't go away indicate panel failure, which is almost never worth repairing as the panel is the costliest component.
• Persistent burn-in on OLED screens — static images like channel logos or game HUDs can permanently mark OLED panels, and this damage cannot be repaired.
• Apps no longer supported or running — older smart TVs lose access to streaming apps like BBC iPlayer, Netflix, and Disney+ as manufacturers stop updating the software platform.
• Frequent power cycling or random shutdowns — if your TV turns itself off and on or shuts down unexpectedly, the power supply board may be failing and could pose a fire risk.
• Picture significantly dimmer than it used to be — LED backlights degrade over thousands of hours, and once brightness drops noticeably, the TV is nearing end of life even if it still works.

Modern TVs are significantly more energy efficient than those from even five years ago. A typical 55-inch LED TV uses around 60–90 watts, costing roughly £15–£25 per year to run at current UK electricity rates (assuming 4–5 hours of daily use). Older plasma TVs — still in some UK homes — can use 200–400 watts, costing £50–£100 per year. OLED TVs are moderately efficient, while QLED models vary. Since 2021, the UK has adopted the rescaled energy label (A to G), and most new TVs rate between E and G under this stricter system. If your current TV is over 8 years old and you watch several hours daily, the energy savings from a modern replacement can offset a meaningful portion of the purchase price over time.

Modern flat-screen TVs are sleek but not especially repairable for the average homeowner. Many internal components are tightly integrated, and the cost of professional repair often approaches the price of a new set. However, a few troubleshooting steps and minor fixes can save you an unnecessary purchase.

Safe DIY Repairs

• Power cycling and factory reset to fix software glitches — save £0–£50. Smart TV freezes, app crashes, and Wi-Fi dropouts are often resolved by unplugging for 60 seconds or performing a factory reset through the settings menu.
• Replacing a faulty HDMI port board (on select models with modular boards) — save £50–£100. Some TVs have a separate HDMI board that can be swapped with a screwdriver. Check your model's service manual first — if the ports are soldered to the main board, this is a professional job.
• Replacing swollen capacitors on the power supply board — save £80–£150. If your TV clicks but won't turn on, visibly bulging capacitors on the power board are a common cause. Requires basic soldering skills and costs under £5 in parts, but only attempt this if you're confident with electronics.

Always Hire a Professional

• LED backlight strip replacement (£100–£250) — Requires fully disassembling the panel layers, which are extremely fragile. One slip can crack the LCD or damage the diffuser sheets beyond repair.
• Cracked or damaged screen panel (£200–£600+) — A replacement panel typically costs more than the TV is worth. In almost all cases, a cracked screen means the TV is beyond economic repair.
• Main board replacement or micro-soldering (£80–£200) — Diagnosing faults at component level requires specialist equipment and experience. Incorrect repairs can create electrical safety hazards.

If a TV repair quote exceeds 40% of the cost of an equivalent new model, replacing is almost always the better investment — especially given how quickly display technology improves.