Pet insurance
Pet insurance for rescue dogs: what to know

The short answer
You can insure a rescue dog. The main things to understand are how pre-existing and unknown conditions are treated, as well as insurance waiting periods. An adopted dog’s previous medical history may be limited, but that doesn’t mean you can’t get cover. Taking out pet insurance can help make sure you’re covered for new accidents and illnesses.
Why cover matters for a rescue dog
Adopting a rescue dog is a big moment. Whether you’ve been waiting months for the right match or your new four-legged friend has arrived unexpectedly, there’s lots to think about - from food and toys to finding a vet and getting them settled in.
Pet insurance is another important factor to consider in those first few weeks, as every rescue dog deserves the chance to start their next chapter with the right care.
You might already know plenty about your dog's medical history, or only have a few details - particularly if they've moved between homes or come to the UK from overseas. Either way, you can't predict what's ahead, and unexpected veterinary treatment can be expensive.
That's exactly why cover is worth considering early, so support is there if your rescue dog needs treatment down the line.
How does insuring a rescue dog work?
For owners in the UK, pet insurance for rescue dogs works in much the same way as insurance for any other dog. It can help with eligible vet costs if your dog becomes ill or has an accident after your policy has started and the relevant waiting period has passed.
Napo pet insurance provides lifetime cover for dogs and cats, with annual vet fee cover from £2,000 up to £16,000. Being a rescue dog doesn’t, by itself, exclude a dog from cover. We insure adopted and rescue dogs, including dogs whose previous medical history isn’t complete.
As with any dog we insure, there are some important things to know:
Pre-existing conditions aren’t covered
Waiting periods apply to new policies
Age limits still apply (your pet must be at least four weeks old to start the policy, while maximum ages can vary depending on the breed)
Other policy exclusions and terms apply so it’s important to check your policy wording to understand exactly what’s covered.
Does pet insurance cover pre-existing conditions in rescue dogs?
This is probably the biggest question when you’re insuring a rescue dog.
Insurer definitions vary, but at Napo, a pre-existing condition is a condition your dog had signs or symptoms of, or received treatment, medication or advice for in the 24 months before your policy started. That means pre-existing conditions aren’t covered. This can include a condition that wasn’t formally diagnosed at the time.
For example, if your dog had symptoms before your Napo policy started, but nobody knew exactly what was causing them, a later diagnosis doesn’t necessarily make the condition new.
That’s particularly important with a rescue dog. If something was already happening before you took out pet insurance, you shouldn’t assume it’ll be covered just because you weren’t aware of it.
On the other hand, a new illness or accident that first happens after the relevant waiting period can be covered, subject to the terms and conditions of your policy.
The key thing to remember is: pet insurance is designed to help with unexpected problems that happen after your cover begins, rather than problems that were already present.
What if you don’t know your dog's medical history?
Don’t worry if you don’t have a complete medical history for your rescue dog. You don’t need to know every detail of your dog’s past before you can take out pet insurance.
When you take out your policy, you’ll need to answer questions about your dog based on the information you have. If you don’t know something about their previous history, you should answer honestly based on what you know, or what you’ve been told by the rescue centre. This is particularly relevant for questions on breeding or aggression, where you may have limited information about your rescue dog’s past.
That’s why it’s a good idea to ask the rescue centre for as much information as possible when you adopt, including any previous vet records, treatment history or other relevant paperwork. Keep hold of these documents, as they may be useful if you need to make a claim in future. They can also help you and your vet understand more about your dog’s health and history.
Not knowing about a previous condition doesn’t automatically make your rescue dog eligible for cover. If the available information shows that signs or symptoms were present, or that treatment, medication or vet advice was given before your policy started, the condition may be considered pre-existing and might not be covered.
At Napo, if you need to make a claim, we’ll look at the information available to us to assess whether the condition is covered. For a rescue dog, that may include any paperwork you received when you adopted them, previous clinical history, information from the rescue centre, or import documents and passport details if your dog has come from overseas.
The important thing is to be honest with your insurer about what you do know. Your rescue dog’s history may be incomplete, but having as much information as possible really helps when it comes to understanding their health and assessing a claim.
Getting a vet check when you adopt
One of the first things to do after adopting a rescue dog is arrange a vet appointment.
A check-up gives your vet the chance to give your new dog a nose-to-tail examination and make sure they’re in good health. They can also talk you through important preventative care, such as vaccinations, neutering, flea and worm treatment and any other care your dog may need.
It’s also a useful opportunity to gather any available medical information and make sure your new dog is registered with the practice.
A vet check doesn’t create cover for conditions that were already present before your policy began. But getting your dog seen early can help you understand their health and gives you a useful starting point for looking after them.
Can you insure an older rescue dog?
At Napo, older dogs can still be insured, but the maximum age for starting your policy depends on the breed. If your dog is aged nine or over, an additional 20% co-payment applies to eligible vet treatment on top of the policy excess. This means you’ll contribute 20% towards any claims for treatment.
As with any age of dog, previous signs, symptoms, treatment, medication or veterinary advice may affect whether a condition is considered pre-existing. It’s best to check with your insurer first.
So if you’re insuring an older rescue dog, it’s worth checking your policy terms carefully and making sure you understand the contribution you may need to make towards a claim.
When should you take out cover?
As soon as you’ve adopted your dog and have decided which level of cover is right for you!
Waiting until your dog becomes unwell or has an accident is too late. Pet insurance is there to help with eligible problems that happen after your policy starts, not problems that have already begun.
With a new Napo policy, accidents are covered when they happen after the first 24 hours of your policy starting. For illnesses, dental and complementary treatment, the first symptoms need to happen 10 days after your policy starts. Other sections of cover also have a 10 day waiting period.
There’s an exception when switching to Napo from another insurer: if your pet’s been insured continuously with no gap in cover and you can provide evidence of this, we may agree to waive the waiting period.
Taking out cover early doesn’t mean every condition will be covered. But it does mean you’re giving yourself the best chance of having cover in place for new, eligible problems as your life together begins.
Main takeaway
Adopting a rescue dog is the start of something special. You may not know everything about their life before you met them, and that’s okay. What matters is the care you give them from here.
Getting them registered with a vet, understanding their health, and arranging the right pet insurance can help you feel better prepared for the years ahead.
Frequently asked questions
Can I insure a rescue dog with unknown medical history?
Yes. You can insure a rescue dog even if you don’t have their complete medical history.
If you make a claim with Napo, we may ask for any information available, such as adoption paperwork, rescue centre records, previous clinical history or import documents. If your dog’s medical history is incomplete, don’t worry - it won’t automatically mean a condition will or won’t be covered. When assessing your claim, we’ll consider all the information available alongside your policy terms.
Are pre-existing conditions for rescue dogs covered?
Usually not, but speak to your insurance provider before taking out a policy.
At Napo, we don’t cover conditions your dog had signs or symptoms of, or received treatment, medication or veterinary advice for in the 24 months before your policy started. This can apply even if the condition wasn’t diagnosed at the time.
Is there an age limit for insuring rescue dogs?
Again, each insurer will have their own rules on this, so speak to them first.
At Napo, your dog must be at least four weeks old, and the maximum age for starting the policy depends on their breed. For dogs aged nine or over, an additional 20% co-payment applies to eligible vet treatment on top of excess.
How soon after adopting should I insure?
It’s sensible to arrange insurance as soon as you can after adopting your dog. That way, you can have cover in place for eligible new accidents and illnesses once the relevant waiting periods have passed.
Do I need vet records?
You don’t need a complete set of vet records to insure your rescue dog, but when you adopt, it’s a good idea to ask the rescue centre for any records or information they have about your dog’s previous health and treatment.
Keep these somewhere safe. If you need to make a claim, your insurer may ask for any relevant information that’s available, which could include records from the rescue centre, previous vet history, adoption paperwork or import documents.