Why You Should Never Leave Your Pet in the Car

June 22, 2026

Did you know a parked car can reach internal temperatures of up to 50-60°C in summer? Even on a mild day in Northamptonshire, a car left in the sun can become dangerously hot within minutes, putting your cat or dog’s life at risk.

Below, the team at Northlands explains what every pet owner needs to know about travelling with a cat or dog, and how to keep your pet protected.

Book an appointment if you’d like tailored guidance on heat and travel safety for your pet.

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Why a hot car is never safe for your pet

Our veterinary team at Northlands sees the consequences of heat-related illness every summer. Even in Northamptonshire on days that don’t feel particularly hot, the risk is very real — when outside temperatures reach just 24°C, the interior of a parked car can climb to 38°C within ten minutes.

Unlike humans, pets cannot sweat to regulate their temperature, and panting becomes far less effective in a hot, confined space. Even a quick stop at the petrol station or supermarket can quickly become dangerous.

Which pets are most at risk of overheating?

All cats and dogs are vulnerable to heat in a confined space, but some are more susceptible than others.

Older pets, overweight pets, and pets with underlying health conditions struggle to regulate their temperature and can deteriorate faster. Puppies and kittens are also at higher risk, as their bodies are less equipped to handle sudden changes in temperature.

Regardless of age, breed or health status, no pet should ever be left alone in a car. If you’d like advice on travelling safely with your pet, get in touch with our team in Kettering.

What to do if you see a pet in a hot car

The legal context

In the UK, leaving a pet in a hot car can constitute an offence under the Animal Welfare Act 2006. The RSPCA and police have the power to act if a pet is found to be suffering and owners can face prosecution.

Emergency steps for the public

As a member of the public, you do not have the right to break into a vehicle. If you believe an animal’s life is in immediate danger, please follow these steps:

  • Call 999 first and note the registration plate.
  • Alert nearby businesses and ask staff to make an announcement to help locate the owner.
  • Stay with the pet until help arrives.

Get in touch with our team if you have any concerns about your own pet’s wellbeing following a journey.

Safer alternatives to leaving your pet in the car

The simplest solution is to leave your pet at home where possible. If they do need to travel, we recommend bringing someone along who can stay with them while you stop. For longer journeys, plan pet-friendly rest stops in advance and ensure the car is well ventilated throughout.

If travel is unavoidable, our team at Northlands can provide tailored advice on keeping your pet safe and comfortable on the road.

Northlands’s team reminds pet owners in Northamptonshire that a little planning goes a long way. Your pet’s safety is always worth the extra thought this summer.

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