Pet-proofing your home before a puppy or kitten arrives

A young animal explores by chewing, swallowing and climbing, and it will locate the one dangerous thing you overlooked within the hour. Half a day spent hazard-proofing before it arrives spares you most of the panicked vet trips of the first months. The trick is to get down to its level and look at the room as it will.

The hazards in every home

A few dangers turn up in nearly every house: trailing electrical cords, toxic houseplants and human foods, cleaning products and medicines left within reach, and small swallowable objects — string, hair ties, coins, children's toys — that a curious mouth turns into a blockage. Add unsecured bins, open upper windows and balconies, and blind cords, and you have the short list that causes most accidents.

Two of those deserve singling out because of how routinely they turn serious. A swallowed object is a surgical emergency rather than a wait-and-see: string and cord are the worst of all, because they can saw through the intestine as it tries to move them along. And human medicines are the commonest poisoning of all, largely from a dropped tablet or a handbag left on a chair — a single ibuprofen can damage a small dog's kidneys, and paracetamol is lethal to cats in doses smaller than anyone expects.

Room by room

The kitchen holds the bin, toxic foods and hot surfaces; the bathroom holds medicines and cleaners, so keep both behind doors. Living rooms hide cords and small decorations and often the toxic plants. The garage deserves special care: antifreeze is sweet, irresistible and lethal in tiny amounts, so it must be sealed away and any spill cleaned at once.

A few less obvious spots account for a surprising share of accidents. Recliners and sofa beds have crushed kittens sleeping in the mechanism. Washing machines and tumble dryers are warm and inviting, so check both before every cycle. Toilet lids left up hold cleaner-treated water. Hobs stay hot long after cooking, and a cat that has learned to jump onto the counter will find that out. Balconies are not cat-proof because a cat can fit through a gap you would call impassable, and 'high enough to be safe' is not a thing — cats fall from balconies routinely.

Kittens climb, puppies chew

Tailor the pass to the animal. A kitten will scale anything and fall from heights, is drawn to string and tinsel that can knot its gut, and can slip into gaps — and check the washing machine before every cycle. A puppy is a mouth on legs; assume anything at floor level will be chewed, and move shoes, cables and chewables up and away.

The kitten list has its own specialities: hair ties, elastic bands, ribbon, the pull-cord on a blind, and the plastic ring off a milk bottle, all of which are swallowed regularly. A puppy's list is heavier on cables, batteries, shoes, remote controls and anything wooden, plus the pica-adjacent habits — eating socks, stones, mulch — that produce blockages. Both lists get shorter as the animal matures, and both get shorter faster if there is nothing available to practise on.

Fit the safety to the house you have

A rented flat and a house with a garden fail in different places. In a flat, the risks concentrate on windows, balconies, a shared stairwell door and a single room where everything lives; a tilt-and-turn window left ajar is a specific danger to cats, which get trapped in the wedge-shaped gap and are badly injured, so those need a proper insert rather than being left on the latch. With a garden, check the fence line at ground level for gaps a puppy can push through, look at what is planted, and take slug pellets, rodenticide and lawn chemicals seriously — rodent bait is a common poisoning, and a poisoned mouse is dangerous to the cat that catches it.

Whatever the layout, decide where the litter tray and the water go before the animal arrives, and keep them away from the food and out of a dead end. It is a small piece of planning that prevents a category of problem later, and it is much easier to get right when the room is still empty.

Give it a space of its own

Rather than trying to make the whole house safe at once, set up a smaller safe zone — a room or a pen with bed, water and toys — where the new arrival can settle under supervision while it learns the rules. Expanding its freedom as it earns your trust is easier than policing an entire home from day one.

Baby gates, a playpen and a few closed doors do most of the work, and they buy you the thing hazard-proofing cannot: supervision. Nothing beats an animal being watched, and the safe zone is what you use when it cannot be. Set it up in the room where the family actually sits rather than somewhere out of the way, since a young animal shut away alone learns that being separated is unpleasant — the point covered in crate training.

Before it arrives, and afterwards

Write down the number of your vet and of an out-of-hours emergency service, and find out now which one covers nights and weekends, because looking it up at eleven at night with a poisoned animal is a bad time to discover your practice closes at six. Keep the packaging of anything your pet gets into, and never induce vomiting unless a professional tells you to. Then keep the pass going: hazard-proofing is not a one-off, since Christmas brings lilies, tinsel, chocolate and cables, spring brings garden chemicals, and every visitor brings a handbag with tablets in it. The food list and the plant list are the two worth actually reading before the animal comes home.