Your consumer rights against the retailer are separate from — and can outlast — the manufacturer's warranty. A TV fault appearing after warranty doesn't mean you have no options.
You can still claim under the Consumer Rights Act up to 6 years from purchase. You'll need to show the fault is inherent rather than accidental damage (a dropped or cracked screen from an impact isn't covered).
Most manufacturers have a published acceptable-pixel-defect threshold; below that they may argue it's within tolerance. Above it, or if pixels increase over time, it strengthens a fault claim.
If the TV doesn't do what was advertised (apps constantly crashing, promised features missing) that can count as not fit for purpose or not as described, separate from a hardware fault.
In the first 30 days you can insist on a refund instead. After that, one repair or replacement attempt is standard before you can demand a refund.
| Time since purchase | What you can ask for |
|---|---|
| 0–30 days | Full refund |
| 31 days–6 months | Free repair or replacement, then refund |
| 6 months–6 years | Same, but you show the fault is inherent |