What temperature to stop pipes from freezing in the UK?

Author: Gladys Ruecker  |  Last update: Wednesday, January 7, 2026

In the UK, pipes can become at risk of freezing when temperatures drop below 0°C (32°F). However, the risk increases significantly when temperatures drop below -5°C (23°F).

How cold for pipes to freeze in the UK?

As temperatures drop below zero degrees, frozen and burst water pipes can cause flooding, damage and leave homes without water.

What is the minimum temperature to keep pipes from freezing?

But while a lower temperature may reduce your heating bill, it could mean disaster if a cold temperatures hit, and your pipes freeze and burst. This doesn't mean you have to keep your house as warm as normal — any temperature 55 degrees or higher is appropriate to keep your pipes safe.

What temperature does water freeze in the UK?

Water freezes at 0 degrees Celsius, but when it comes to pipework, it's not quite as simple as that. The colder the temperature outside, the greater the chance of an ice blockage in your pipes, but the exact temperature they freeze at can vary.

Will my pipes freeze if my heat is on 60?

Keep the Heat On

The ideal temperature would be around 55 to 60 degrees. This will be warm enough to keep pipes from freezing.

How to prevent your pipes from freezing as temperatures start dropping

Will pipes freeze if house is set to 62 degrees?

What Temperature Will Cause My Pipes to Freeze? Pipes run the risk of freezing at temperatures below 32 degrees Fahrenheit, especially if they're not insulated, but most insulated pipes start to freeze at 20 degrees Fahrenheit or below.

Will my pipes freeze at 50?

Your pipes are at risk of freezing any time temperatures drop below 32°F. However, it's much more common for pipes to freeze when temperatures dip below 20°F. The longer the weather remains below freezing, the more likely it is your pipes can freeze if not properly protected and winterized.

How do I stop my outside pipes from freezing in the UK?

Outside taps and associated pipework are always a problem in freezing weather. Ideally, if they are unused during winter then isolate the water supply to the outside tap with an internal shut-off valve. Also, protect outside taps and exposed pipes with insulation.

What are the freezing guidelines in the UK?

Freezing Food
  • your freezer should be around -18°C.
  • follow any freezing or defrosting instructions on the label.
  • you can freeze food right up until midnight on the 'use by' date printed on the label.
  • leftovers and homemade goods should be frozen as soon as possible.
  • cool any warm dishes before putting them in your freezer.

How cold is tap water in winter UK?

To give you a rough idea, the water coming from your cold tap at home will be less than 20°C (and usually between 10 and 20°C). Cold water therapy can involve taking an ice bath, a cold shower or having an outdoor swim. Whichever you choose, it's usually only for a few minutes at a time.

Can pipes freeze in one night?

Yes, pipes can freeze overnight if temperatures plummet drastically. Uninsulated pipes in unheated areas like attics or exterior walls are most vulnerable.

How cold is too cold for a house pipes?

We all know that freezing begins at 32° F or 0° C, but at what point do pipes freeze within our own homes? Temperatures only need to drop to about 20° F for a few hours to put exposed pipes at risk. So, your best bet is to insulate your exposed pipes to keep that temperature well above the freezing point.

Should you open an attic door during a freeze?

'Although it might not seem like a big deal, leaving your attic door or hatch open during freezing weather can help to prevent a whole host of home maintenance issues, such as preventing ice dams on roofs, frozen pipes, and mold growth,' begins Jay Sanders, contractor and owner of Castle Dream Construction.

How warm should you keep your house to prevent pipes from freezing?

Here's a list of ways to prevent freezing pipes in your home: Keep the thermostat at a minimum of 68 degrees Fahrenheit. Make sure pipes are properly insulated.

Will shutting off water keep pipes from freezing?

Prevent Frozen Pipes

Moving water keeps pipes from freezing. Find shut off valves for emergencies. Insulate pipes in unheated areas. Open cupboards and vanities to warm pipes.

Which pipes are most likely to freeze?

Pipes that freeze most frequently are: Pipes that are exposed to severe cold, like outdoor hose bibs, swimming pool supply lines, and water sprinkler lines.

What is the safe freezer temperature UK?

Storing food

Follow packet instructions on how to store a food, such as in a fridge or freezer. Ensure your fridges and freezers are set to the recommended temperatures. Fridges and chilled display equipment should be set at 8˚C or below as a legal requirement. A freezer should be -18°C.

What temperature is freezing UK?

In fact, food will begin to freeze at 0°C (the well-known freezing point). However, food that's kept frozen between 0°C and -17°C will sacrifice safety and quality. The colder the temperature of your freezer, the safer it is.

What is the freeze rule?

What is it? A player may go out and win only if their partners score is equal to or less than the combined score of the opposing team. The freeze rule was designed as a handicapping mechanism.

Will pipes freeze if heat is off in the UK?

As the temperature drops, the risk of pipes freezing and bursting increases. This is a common issue in the UK, especially during the winter months.

How long does it take for pipes to freeze in the UK?

Do you find yourself questioning what temperature do pipes freeze in the UK? We're here to tell you that it needs to be below -6°C. The next logical question is 'how long does it take for pipes to freeze' right? Well, the expert answer is around 6 hours.

At what temperature do pipes burst?

This finding was supported by a survey of 71 plumbers practic- ing in southern states, in which the consensus was that burst- pipe problems began to appear when temperatures fell into the teens. However, freezing incidents can occur when the tem- perature remains above 20 degrees F.

At what temperature should you drip faucets?

So, exactly how cold does it need to be before you do this? Southern Living says professionals list the threshold temperature for pipes to freeze at 20 degrees Fahrenheit, meaning this or anything below can create a potential for water to turn to ice in your pipes.

Can house pipes freeze without bursting?

Even if a pipe does not burst, the expanding ice can still cause damage. This can lead to leaks which can cause significant damage over time if they go unnoticed. The best way to protect against frozen pipes and the resulting water damage is with an automatic water shut-off device.

How to winterize a house without heat?

Steps to winterize your vacant house
  1. Shut off the water at the street. ...
  2. Give some attention to your water heater. ...
  3. Open up the lowest faucets on your property. ...
  4. Drain the system. ...
  5. Pour environmentally safe, biodegradable antifreeze into each of the drains. ...
  6. Tape the toilets shut and post signage.

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