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First Week With a Rescue Dog in London

Keep week one deliberately boring. A newly adopted dog is decompressing, not settling in, and the households that rush this stage create problems that take months to undo. Expect a dog that may not eat, may sleep constantly, and will not show you who they really are for about three weeks. This guide gives you a day-by-day plan plus the London paperwork and vet setup to handle while it happens.

12 min read · Updated July 19, 2026
Author: LocalPetFinder Team
A newly adopted rescue dog resting on a bed in a quiet London, Ontario living room

The short answer

Do less than you want to. No visitors, no dog park, no long adventures. Give your dog a crate or quiet corner, a fixed routine, short leashed walks on your own street, and time. Expect skipped meals and a lot of sleeping. Meanwhile, handle three practical things: register the microchip in your name, get a City of London licence if the dog is over six months, and book a vet visit to establish the relationship. The real dog shows up around week three.

The most common mistake London adopters make is treating day one as a celebration. It is understandable. You waited, you applied, the dog is finally here, and everyone wants to meet them.

From the dog's side, though, the day looks different. They have just lost every familiar smell, sound, person, and routine, again, having likely already lost one home to get to the shelter. They do not know that this move is the good one.

So week one is not about bonding. It is about proving the new place is safe and predictable. Everything else follows from that, and it follows faster when you resist the urge to speed it up. If you are still choosing a dog, the London rescue comparison covers where to start.

The 3-3-3 Rule

WindowWhat is happeningWhat you should do
First 3 daysOverwhelmed. May not eat, may sleep constantly, may hide.Quiet house, fixed routine, no visitors, no expectations.
First 3 weeksLearning your routine. Real personality starts surfacing, along with hidden behaviours.Start gentle training, set house rules, build alone time slowly.
First 3 monthsGenuinely settled. Trust established, bond forming.Formal classes, wider social exposure, longer adventures.

A guide rather than a schedule. Some dogs move faster, and dogs with harder histories often need considerably longer.

Day by Day Through Week One

Day one. Come home during a quiet stretch of the day. Toilet break in the designated spot first, then walk in on leash and let them explore at their own speed. Show them the crate or bed. Offer water and the food the rescue was using. No guests. If they refuse dinner, that is normal.

Days two and three. Establish the rhythm you actually intend to keep, not a holiday version of it. Same wake time, same meal times, same toilet schedule, same bedtime. Short leashed walks on your own street. Expect a dog that sleeps a great deal, and let them.

Days four and five. Begin very short absences. Leave for five minutes, come back without ceremony, extend gradually. Start hand-feeding part of a meal to build the association between you and good things. First vet visit if you have booked it.

Days six and seven. Slightly longer walks somewhere quiet, ideally at an off-peak hour. Handle the microchip registration and the City licence. Notice what is emerging: is the dog beginning to test furniture, counters, or the bin? Set those rules now, calmly and consistently, while the habits are still forming.

The London To-Do List

Register the microchip in your name. Your dog was chipped by the rescue, but the chip is only useful if the database points at you. Rescues do not always complete the transfer. Find the chip number on your adoption paperwork and register it directly with the manufacturer. This is the single most valuable fifteen minutes of week one.

Buy a City of London dog licence. Required for dogs over six months. A spayed or neutered and microchipped dog pays $33 for a first-time licence registered between January and July, and $23 if registered after July 1. Adopted from the London Animal Care Centre? A two-year licence came with your $365 fee. Details in our London licensing guide.

Book a vet appointment. Within a week or two, purely to establish the relationship. Bring the adoption paperwork. Ask about parasite prevention, because Southwestern Ontario has a real tick season and you want that sorted before the first long walk along the Thames.

Know where the emergency clinic is. Find your nearest after-hours veterinary hospital and save the number in your phone now, while nothing is wrong. Looking it up at 2 a.m. with a sick dog is not when you want to be learning your options. The City of London animal services page is also worth bookmarking for lost-dog procedures.

Crate and House Training

A crate is a den, not a punishment. Set it up somewhere the family is, feed meals in it with the door open, and put good chews inside so the dog chooses to go in. Never use it to discipline. Some dogs arrive with a bad crate history and will genuinely panic, which is worth respecting rather than pushing through. A foster-based rescue can usually warn you.

House training runs on schedule rather than signals. Outside first thing, after every meal, after every nap, after play, and last thing at night. Same spot each time, wait quietly, then reward the instant they finish. Praise the success far more than you react to the failure.

Accidents get cleaned with an enzymatic cleaner and zero reaction. Scolding does not teach a dog to hold it. It teaches them to toilet where you cannot see, which is a considerably harder problem to fix. Most adult rescue dogs are reliable within a couple of weeks of consistent routine.

Escape risk is highest in week one

A frightened new dog with no bond to you yet is a flight risk, and most rescue dogs that go missing do so in the first days. Use a well-fitted harness rather than a collar alone, double-check the leash clip every time, and hold the leash through the door rather than at the door. Check your fence for gaps at ground level. Keep an identification tag on the dog from day one even before the licence arrives. Separately, know the signs of bloat in a deep-chested dog: a swollen or hard abdomen, unproductive retching, and obvious distress. That is a life-threatening emergency measured in hours, so go straight to an emergency veterinary hospital rather than waiting for morning.

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Frequently Asked Questions

What is the 3-3-3 rule for rescue dogs?
It is a rough timeline for how a rescue dog settles. The first three days are decompression, when the dog is overwhelmed, may not eat much, and often sleeps a great deal or hides. The first three weeks are when they start learning your routine and their real personality begins to surface, which is also when behaviours that were hidden at the shelter tend to appear. The first three months are when they genuinely settle and bond. Treat it as a guide rather than a schedule, because some dogs move faster and some need considerably longer.
What should I do the first day with a rescue dog in London?
Keep it boring. Bring the dog home during a quiet part of the day, take them straight to the spot in your yard or nearest green space where you want them to toilet, then walk them calmly into the house on leash and let them explore at their own pace. Skip the guests, skip the pet store trip, skip introducing them to the neighbours. Offer water, offer food they may well refuse, and show them their crate or bed. A dull first day is a successful first day.
Why is my new rescue dog not eating?
Because they are stressed, and it is extremely common in the first few days. A dog that has moved from a kennel or a foster home into an entirely unfamiliar house often skips meals for a day or two. Keep offering the same food the rescue was using, leave it down for fifteen or twenty minutes, then take it up without fuss. Avoid the temptation to tempt them with rich toppers, which tends to cause an upset stomach on top of the stress. If refusal runs past about 48 hours, or comes with vomiting, lethargy, or diarrhoea, call your vet.
Should I crate train my new rescue dog?
For most London adopters, yes. A crate gives a newly arrived dog a den that is theirs, which speeds decompression rather than restricting it, and it makes house training substantially easier. Introduce it as a good place with food and chews, feed meals inside it with the door open, and never use it as punishment. Some dogs arrive with a bad crate history and will panic, which is a genuine exception worth respecting. A foster-based rescue can usually tell you which kind of dog you are getting.
How do I house train a rescue dog?
Take them out on a schedule rather than waiting for a signal: first thing in the morning, after every meal, after every nap, after play, and last thing at night. Go to the same spot, wait quietly, and reward heavily the moment they finish outside. Accidents inside get cleaned with an enzymatic cleaner and no reaction at all, because scolding teaches a dog to toilet where you cannot see rather than to hold it. Most adult rescue dogs pick this up within a couple of weeks once the routine is consistent.
When should I take a new rescue dog to the vet in London?
Within the first week or two, even though the rescue has already done the medical work. This first appointment is about establishing the relationship rather than fixing a problem: the clinic gets a baseline on your dog while they are healthy, and you get somewhere to call that already knows the animal. Bring the adoption paperwork with the vaccination record, spay or neuter confirmation, and microchip number. Ask about parasite prevention for the Southwestern Ontario tick season while you are there.
What London paperwork do I need after adopting a dog?
Two things. First, register the microchip in your own name with the chip manufacturer database, because an unregistered chip helps nobody and rescues do not always complete this step for you. Second, get a City of London dog licence if your dog is over six months. A spayed or neutered and microchipped dog costs $33 for a first-time licence registered between January and July. If you adopted from the London Animal Care Centre, a two-year licence is already included in your adoption fee.
Where should I walk a new rescue dog in London?
Somewhere quiet, and shorter than you think. For the first several days, stick to your own street rather than heading straight for Springbank Park or the Thames Valley Parkway, where the volume of dogs, cyclists, and people is a lot for an animal still learning your front door. Once they have settled, the quieter stretches of the Parkway, Gibbons Park, and the paths around the Thames forks are excellent. Remember the leash rule: London caps leash length at 1.8 metres, so leave the extendable one at home.
How long until my rescue dog shows their real personality?
Usually around the three week mark, sometimes longer. The dog you bring home is a stressed version of themselves, and stress can look like unusual calm just as easily as it looks like anxiety. Adopters are often surprised in week three when a quiet dog suddenly becomes playful, vocal, or bold enough to test the rules. That is not the dog changing. It is the dog relaxing enough to be themselves, and it is exactly what you want, even when it arrives with counter-surfing.
What if my new dog is not getting along with my other pets?
Slow everything down and keep them separated more than feels necessary. Introductions work best on neutral ground, on leash, with short sessions that end while both animals are still doing well rather than after something goes wrong. Feed separately, pick up toys and chews that either dog might guard, and give a resident cat vertical escape routes and a room the dog cannot enter. Most households settle within a few weeks. If there is genuine aggression rather than tension, contact the rescue and a qualified trainer early.
Can I leave a new rescue dog alone during the day?
Not for a full workday in the first week, and this is the single biggest planning failure among London adopters. A dog that has just lost everything familiar and is then left alone for eight hours can develop separation problems that take months to unwind. Build up in small increments: leave for five minutes, then twenty, then an hour, and watch what happens. Adopt at the start of a week off if you possibly can, and line up a walker or daycare before the dog arrives rather than after the problem appears.
Should I start training right away or wait?
Start immediately, but start gently. Training in week one is not obedience class, it is teaching your dog that you are a source of good things and that the house has a predictable rhythm. Hand-feed some meals. Reward them for choosing to settle. Practise their name and a simple recall in the kitchen. Formal classes are better once the dog has decompressed, which is part of why ARF Ontario builds training sessions into their adoptions rather than expecting adopters to sort it out alone.

Start With the Right Dog

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Everything a new adopter needs to set up a safe, happy home.