Winter tyres, all-season tyres or snow socks: what UK drivers actually need
Winter tyres are a legal requirement in parts of Europe, but not in the UK. So should you bother? For most UK drivers the honest answer depends on where you live, how much you drive in winter and whether you can stay at home when it snows.
This guide compares the options, from doing nothing to a full set of winter tyres, explains the markings to look for, and answers the common question of whether fitting them affects your car insurance.
Last updated 9 November 2026. Insurance information comes from the Association of British Insurers (ABI) Winter Tyres Motor Insurance Commitment.
Key takeaways
- Winter tyres are not compulsory in the UK, but they grip much better below about 7C and in snow and slush.
- All-season tyres are a good compromise for many UK drivers: one set all year, with better cold-weather grip than summer tyres.
- Snow socks are cheap, stay in the boot, and get you moving in snow, but they are only for short distances at low speed.
- Look for the three-peak mountain snowflake (3PMSF) symbol for genuine winter performance. M+S alone does not guarantee it.
- Most insurers do not charge extra for winter tyres, and many do not need to be told, but check your insurer’s position.
In this guide
- Do you need winter tyres in the UK?
- How winter tyres work
- Your options compared
- All-season tyres
- Snow socks and snow chains
- Tyre markings explained
- Do I need to tell my insurer about winter tyres?
- Frequently asked questions
- Sources and further reading
Do you need winter tyres in the UK?
There is no law in the UK that says you must fit winter tyres. The only legal requirements are that your tyres are suitable for the car, correctly inflated, free of serious damage and have at least 1.6mm of tread across the central three-quarters.
Whether they are worth it depends on your situation:
- Probably worth it: you live in a rural or hilly area, in Scotland or northern England, on an untreated road, or you must drive every day whatever the weather (carers, healthcare and shift workers, for example).
- Probably not worth it: you live in a town or city in the south, drive mostly on main roads, and can work from home or take the bus on the handful of snowy days.
For many drivers in between, all-season tyres or a set of snow socks in the boot are the sensible middle ground.
How winter tyres work
Summer tyres are made from a rubber compound that hardens as the temperature drops. Below about 7C it loses grip. Winter tyres use a softer compound that stays flexible in the cold, and they have deeper tread with lots of small slits called sipes. These bite into snow and push slush and water away.
The result is shorter stopping distances and better grip on cold, wet roads as well as on snow. The trade-off is that they wear faster and grip less well in warm weather, which is why they are usually swapped back in spring.
Your options compared
| Option | Best for | Rough cost | Downsides |
|---|---|---|---|
| Summer tyres only | Urban drivers who can avoid snow | Nothing extra | Poor grip below 7C and in snow |
| All-season tyres | Most UK drivers wanting one set all year | Similar to a set of good summer tyres | Slightly less sharp in summer, not as good as winter tyres in deep snow |
| Winter tyres | Rural, hilly and northern areas, essential journeys | Around £400 to £500 for four, plus storage or a second set of wheels | Two swaps a year and storage |
| Snow socks | Emergency use to get moving in snow | Roughly £30 to £80 a pair | Low speed only, short distances, wear out on clear roads |
| Snow chains | Deep, compacted snow, mountain roads abroad | Roughly £40 to £100 a pair | Can damage the road and car on clear tarmac, fiddly to fit |
Prices vary with tyre size and brand, so treat these as a guide.
All-season tyres
All-season tyres combine features of summer and winter tyres. They stay grippier in the cold than summer tyres and cope with light snow, while still working reasonably in warm weather. For drivers who want better winter safety without changing tyres twice a year, they are often the best choice.
If you want them to count as winter tyres abroad, make sure they carry the 3PMSF symbol.
Snow socks and snow chains
Snow socks are fabric covers that slip over the driven wheels. They are quick to fit and give good extra grip in snow. They are designed for short distances at low speeds, usually no more than about 30mph, and you must take them off when you reach a clear road or they will wear through.
Snow chains give the most grip in deep, compacted snow, which is why they are mandatory on some mountain roads abroad. In the UK they are legal but should only be used where there is enough snow to protect the road surface.
Tyre markings explained
- 3PMSF (three-peak mountain snowflake): the tyre has passed an independent snow-performance test. This is the symbol to look for on a winter or all-season tyre, and the one accepted in places like France’s mountain areas.
- M+S (mud and snow): set by manufacturers rather than tested. Some M+S tyres are summer tyres, so this marking alone does not guarantee winter grip.
Do I need to tell my insurer about winter tyres?
The ABI publishes a Winter Tyres Motor Insurance Commitment listing what its member insurers expect. Most say they will not increase your premium for fitting winter tyres, and many do not need to be told at all. A few want you to let them know, even though your price and cover will not change.
Things that can still count as a modification are wheels that differ from the manufacturer’s specification, such as a different diameter, width or offset. If you are fitting your winter tyres on a second set of wheels, keep them to the manufacturer’s spec, or tell your insurer.
If in doubt, check the ABI list or ask your insurer. It takes two minutes and avoids any argument at claim time.
Frequently asked questions
Should I fit two winter tyres or four?
Always four. Fitting only two gives the front and rear very different levels of grip, which can make the car unstable and more likely to spin.
When should I fit winter tyres?
Most people fit them in late October or November and swap back around March or April. A rough rule is to switch when temperatures are regularly below 7C.
Can I drive with snow socks on a normal road?
Only briefly and slowly. Take them off as soon as you are back on clear tarmac, because they wear out quickly and do not grip well on dry roads.
Is there a minimum tread depth for winter?
The legal minimum is 1.6mm all year. Motoring organisations recommend at least 3mm for winter driving. Some countries, such as Austria, require at least 4mm for winter tyres.