DOG BREED GUIDE · PROJECT ADORE ROUTE
Last updated First published 31 May 2026
Notice one little habit together → A small idea to try, with progress kept in your Pack.
Also known as Mixed Breed, Mutt, Crossbreed, Local Rescue.
Thinking about adopting a Mongrel?
The Mongrel is as diverse as Singapore itself, coming in every conceivable colour and size, yet each one excels at the fine art of looking like they belong on your sofa.
Can a Mongrel live in an HDB flat?
PotentiallyOnly via Project ADORE, subject to its conditions
Not on HDB's approved small-breed list. A local mixed-breed dog may still be permitted in a flat through Project ADORE, which is a separate route with its own conditions and runs through approved rescue partners. Being mixed-breed does not by itself make a dog eligible, and a cross involving a breed that is not on the list does not qualify however small or well behaved the dog is. Ask the shelter or rescue directly whether the specific dog is eligible.
HDB sets and maintains the approved-breed list. Check the current rules at HDB.gov.sg →
Full list of HDB-approved breeds on this site →At a glance
- Size category
- Medium
- Weight
- 5 to 15 kg
- Height
- 30 to 50 cm
- Lifespan
- 12 to 16 years
- Energy level
- ●●●○○ 3/5 (editorial, unvalidated)
- Shedding
- ●●○○○ 2/5 (editorial, unvalidated)
- Heat tolerance
- ●●●●○ 4/5 (editorial, unvalidated)
- Barking
- ●●○○○ 2/5 (editorial, unvalidated)
- Trainability
- ●●●●○ 4/5 (editorial, unvalidated)
- Grooming needs
- ●○○○○ 1/5 (editorial, unvalidated)
- Origin
- Singapore (and everywhere else)
Editorial climate-care note
Typically a shorter, less insulating coat that copes well with SG's climate, though individual coat type varies.
This score is not a safe temperature or exercise limit. Any dog can develop heatstroke.
Plan activity around your dog, not a timer
A breed score cannot tell you how many minutes are safe today. Avoid hot conditions, watch your dog's breathing, and agree an activity plan with your vet.
Read PDSA's heatstroke guidance →Common health issues in Singapore's climate
Build a care budget
- Year 1
- S$2,486 to S$3,364
- Over 10 years
- S$23,010 to S$31,131
Illustrative planning assumptions for food, grooming and routine vet care, with inflation and a year-one setup uplift. These are not verified provider quotes or a lifespan prediction. Adjust the calculator to current quotes; add insurance, boarding and emergencies separately.
Run the full lifetime cost calculator →Somewhere in Singapore this afternoon there is a mixed-breed dog asleep on a tiled floor with one ear folded back, entirely untroubled by the fact that nobody can tell you what it is. That dog is very likely healthier, cheaper to keep and better suited to this climate than most of the pedigrees on this site, and it is also the dog least likely to be chosen, because it does not come with a name that sounds like a decision.
This page is written for the person who is quietly considering one and would like the honest version rather than the sentimental one. The honest version is good, with two genuine complications: the housing rules are more specific than most people realise, and the health picture is not the guarantee it is often sold as.
Personality and temperament
The first thing to say plainly is that this page describes a category, not a breed. A mongrel is any dog of mixed or unrecorded parentage, and there is no standard, no predictable adult size within the range and no temperament you can order in advance. Energy is rated 3 out of 5 and trainability 4 out of 5 on this page, and those are reasonable central estimates rather than promises about the dog in front of you.
That sounds like a drawback and is mostly the opposite, because it changes how you choose. With a pedigree puppy you are buying a probability distribution and hoping. With an adult mixed-breed dog you are meeting the finished animal. What you see is what you get, and what you get is already three years into being itself.
Barking is rated 2 out of 5, low, which matters in a flat. It is rated good with children and good with other dogs, though for any individual dog the rescue's own assessment beats a category average every time. Ask them. They have watched this specific dog for months and they have no incentive to oversell.
Exercise in Singapore's climate
Heat tolerance is rated 4 out of 5, and it is the quiet headline of this page. It is the highest rating of any dog covered in this rollout, and it is not luck. Dogs whose recent ancestry is local have been shaped by this climate rather than shipped into it, and they typically carry a shorter, less insulating coat and a body that is not fighting its own design at two in the afternoon.
You still walk sensibly. Singapore runs a daily maximum of 31 to 33 degrees Celsius with average relative humidity around 82% year round (Meteorological Service Singapore), and no dog should be worked hard at midday here. But the margin is real. A mixed-breed dog will usually cope with a slightly later morning start and a slightly longer walk than a double-coated pedigree of the same size, and on a bad-weather day it recovers faster.
At 3 out of 5 energy, two decent walks a day plus some sniffing time suits most. Let the dog sniff properly rather than route-marching it. Scent work is the cheapest enrichment there is and mixed-breed dogs tend to be very good at it.
Coat and grooming in the humidity
Grooming needs are rated 1 out of 5 and shedding 2 out of 5, with an annual grooming line on this page of S$400. That is the lowest grooming cost on this site, and for most short-coated mixed-breed dogs it is generous.
The caveat is the same as everywhere on this page: coat varies by individual. A short smooth coat needs a weekly rubber-mitt brush and nothing else. A longer or wavier mixed coat needs real brushing and possibly a groomer. Look at the actual dog and its actual coat rather than the category.
The humidity discipline is universal and short. Dry the dog properly after rain or a bath, especially the ears and any skin folds, because a coat that stays damp against skin in this climate is how hot spots start regardless of breeding.
Diet and feeding
Food runs about S$850 a year, the lowest on this site. Weight management is one of only two health issues listed on this page, and that is not because mixed-breed dogs are prone to it. It is because a dog with no obvious frailties tends to get less scrutiny, and the weight creeps up while everyone is relaxed.
Weigh the food, count treats within the daily total, and have your vet body-condition score the dog at every visit. If the dog came from a rescue after time on the street, ask specifically about the feeding plan for the first months, because a dog that has been genuinely short of food often eats as though it might be again, and free-feeding a formerly hungry dog goes wrong quickly.
Training
Trainability is rated 4 out of 5 and mixed-breed dogs are frequently a pleasure to teach, partly because many are adopted as adults with some life experience already installed.
Three priorities, weighted toward the adoption route most of these dogs arrive by:
- Decompression before training. A newly adopted dog, particularly one that has lived outdoors or in a shelter, needs a couple of weeks of low expectations, predictable routine and quiet before you start asking it for things. Training a dog that has not yet worked out whether it is staying is the most common early mistake.
- Lift and corridor manners, deliberately taught. A dog with a street history may never have been in a lift. Small metal box, strangers, no exit. Do it in short, cheerful, food-heavy sessions rather than assuming the dog will adjust.
- Recall, honestly assessed. Some mixed-breed dogs have a working prey drive from somewhere in the mix. Build recall properly, and keep a lead on in unfenced spaces until the dog has earned otherwise across many repetitions.
Health
There is no kennel club screening scheme for a mongrel, because there is no breed to publish one for. That fact is usually presented to you as pure upside, and it is roughly half upside.
The genuine part: many inherited diseases are concentrated in specific breeds, because a closed gene pool concentrates whatever is in it. A dog of varied and unrecorded parentage is statistically less likely to inherit any one breed-specific condition. This page lists only two health issues, weight management and dental health, against eight or ten on several pedigree pages on this site, and that is a fair reflection of the general picture.
The part that gets left out: less likely is not the same as protected. A mixed-breed dog can inherit anything present in its unknown ancestry, and because you do not know what that ancestry is, you also do not know what to watch for. A Cavalier owner knows to have the heart listened to. A mongrel owner has no such list. The answer is not to worry, it is to keep annual checks genuinely annual, because your vet's examination is doing the job that a breed's screening scheme would otherwise do.
If the dog is a rescue with a street history, ask the rescue what they have already done and get it in writing: vaccination status, sterilisation, microchip number, heartworm test and result, and any tick-borne disease screening. Heartworm in particular matters in this climate and the treatment is far harder than the prevention, so establish where the dog stands and get it onto year-round prevention.
Dental health is the other listed issue and it is the one most owners under-treat. Daily brushing is worth more than an annual scale, whatever the dog's parentage. Routine veterinary care runs about S$1,000 a year on this page's estimate, the lowest on this site. None of this replaces your own vet's assessment of your own dog.
Housing and space in Singapore
This is the section to read twice, because "mongrel" and "HDB" is more specific than it looks and the wrong assumption here is expensive.
HDB publishes a list of named approved breeds, and the last item on that list is a cross of any two breeds that both appear on it. So a mixed-breed dog whose parentage is known and is a cross of two approved breeds qualifies. A dog of unknown or unrecorded parentage does not qualify by that route, because there is nothing to check it against.
The route that exists for exactly this dog is Project ADORE. HDB states that "through Project ADORE, you will be allowed to own a local mixed-breed dog, also known as Singapore Special, up to 55cm in height in HDB flats. Only 1 dog is allowed in each residential unit." The 55cm is a shoulder-height ceiling and it applies to this scheme specifically. It is not a general size test for dogs in flats, and you will still see it quoted as though it were.
ADORE runs through Animal Welfare Group partners, and HDB names them: Action for Singapore Dogs, Causes for Animals (Singapore), Exclusively Mongrels, MercyLight Singapore, SOSD Singapore, and the Society for the Prevention of Cruelty to Animals. Going through a partner is the mechanism, not an optional extra.
Ownership limits come from AVS rather than HDB. Under AVS's rules, an HDB flat may keep a maximum of one dog of an approved small breed plus up to two cats, and no dog on the Specified dogs list; private property may keep up to three cats or dogs in combination. Every dog needs an AVS licence. Licence fees depend on sterilisation status, age and the number of pets. One-time and three-year licences are different options. Check the current AVS fee table before paying.
Indoors, the requirements are modest. A cool tiled spot out of the afternoon sun, a settled place away from the front door, and for a dog with an outdoor history, somewhere enclosed and quiet to retreat to for the first few weeks.
Care and cost in Singapore
On this page's figures: about S$850 a year for food, S$400 for grooming and S$1,000 for routine veterinary care. That is the cheapest dog on this site to keep by a clear margin, and the adoption fee at the front end is a fraction of a pedigree purchase price. If cost is part of your decision, this is the honest answer to it. Run the ten-year picture with the cost calculator.
Getting a mongrel: adoption and buying
Adoption is the route, and it is not a compromise. Start with the ADORE partners named above if you are in a flat, since going through them is what makes the flat part legal.
What to ask, and these are better questions than any pedigree buyer gets to ask: how long has the dog been with you, what is it like with children, with other dogs, with strangers at the door, in a lift, in traffic, and on a lead. What is the medical history you have, and what do you not know. Why did the previous home end, if there was one. A good rescue answers all of that in detail and will tell you when a dog is not right for you, which is the single most valuable thing anyone in this process will do for you.
Ask about the trial or fostering period, and take it. A fortnight in your actual flat with your actual routine tells you more than any number of visits.
Buying is not really the relevant path here. If someone is selling you a mongrel puppy at pedigree prices on the basis of an appealing photograph, you are looking at a business, not a breeder, and the dog's health history will be exactly as documented as its parentage.
Life stages: puppy to senior
Puppy, to about 12 months. If you have taken on a mixed-breed puppy, adult size is genuinely uncertain, which matters for a flat with a 55cm ADORE ceiling. Ask the rescue for their honest estimate and plan for the upper end. Socialise hard and early to lifts, corridors, traffic, children and other dogs. Get insurance in force before anything is on record.
Newly adopted adult, first three months. The stage this page needs that the others do not. Expect the dog to be quiet or withdrawn for a fortnight, then to become more itself, and for some behaviour to appear at week three that was not there on day one. That is normal and it is not deception. Keep the routine boringly predictable, keep the lead on, and get the vet check done in the first week.
Adult, roughly 2 to 9 years. The easy years, and the ones where weight quietly arrives. Keep annual checks annual, keep teeth brushed, keep the dog lean.
Senior, from about 10 years. Lifespan here is 12 to 16 years, among the longest on this site. Move to twice-yearly vet visits. Without a breed's list of expected conditions, the examination is doing more work, so do not skip it. Watch for stiffness, for bad breath or chewing on one side, and for changes in how much the dog drinks. Keep walks going, shorter and more often, because a dog that has spent its life moving does badly when that stops.
See dog-friendly cafes and parks in your region → | Run the 10-year cost of a mongrel in Singapore →
Three things to know
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Project ADORE is the route into a flat, and 55cm is its ceiling, not a general rule
HDB allows a local mixed-breed dog up to 55cm in height through ADORE, one dog per unit, adopted through a named Animal Welfare Group partner. A dog of unknown parentage does not qualify through the approved-breed list.
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Mixed parentage lowers the odds, it does not remove them
There is no breed screening scheme and no list of conditions to watch for, so your vet's annual examination is doing the job a screening scheme would. Keep it genuinely annual.
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This is the best-suited dog on the site for the climate, and the cheapest to keep
Heat tolerance is rated 4 out of 5, the highest here, and the running costs are the lowest. Adopt an adult and you meet the finished dog rather than a probability.
Annual cost in Singapore
Editable planning estimates, not verified provider quotes or a prediction of your dog's bills. Boarding, one-off equipment and emergencies are additional.
- Food
- S$850
- Grooming
- S$400
- Routine vet
- S$1,000
- Sum of the three
- S$2,250/year
Run the lifetime cost calculator →
Get a current insurance quote for your dog's age and circumstances. Compare exclusions, waiting periods, excess and cover limits. Compare policy questions here →
Frequently asked questions
Is a Mongrel HDB-approved in Singapore?
Potentially, but not through the approved-breed list. A Mongrel is a mixed-breed dog, and being mixed-breed does not by itself make a dog eligible. An eligible local mixed-breed dog may be permitted in a flat through Project ADORE, which is a separate route with its own conditions and runs through approved rescue partners. Ask the shelter or rescue whether the specific dog qualifies, and check the current HDB and AVS guidance.
Do Mongrels bark a lot?
Our current barking assessment is: is fairly quiet (editorial estimate). It has not been independently validated. Ask about this dog's observed behaviour, triggers and time alone; the breed label cannot predict your neighbour's experience.
How much grooming does a Mongrel need?
Our current grooming assessment is: needs minimal grooming (editorial estimate). Confirm the individual coat-care routine and any professional grooming with the rescue, groomer or vet. The score is not a measured frequency or price.
How does a Mongrel cope with Singapore's heat?
An editorial heat score cannot establish a safe temperature or walk duration for an individual dog. Activity, humidity, health, age and body shape matter. Avoid hot conditions, provide shade and water, and ask your vet about an appropriate activity plan.
How much does a Mongrel cost to keep in Singapore?
The stored planning assumption is S$2,250 a year for food, grooming and routine veterinary care. It is not a verified typical cost for this breed. Replace it with current quotes and your own usage; add setup, licensing, insurance if chosen, boarding and emergency savings separately.
Community
Meet 4 Mongrels living in Singapore
A Mongrel in Singapore, the short version
A Mongrel is any mixed-breed dog, which is a broad label rather than a breed, and it is not automatically approved for an HDB flat. HDB's approved list names 61 breeds plus a cross of any two of them, so a mixed-breed dog qualifies by that route only when both parent breeds are on the list. Otherwise the route is Project ADORE, which is separate, applies to eligible local mixed-breed dogs, and carries its own conditions. Being mixed-breed does not by itself make a dog eligible, and a cross involving a breed that is not on the list does not qualify however small or well behaved the dog is. Ask the shelter or rescue directly whether the specific dog is eligible. Beyond the paperwork, how well any mongrel suits flat living depends on its individual size, coat and temperament rather than an average, and many carry tropical-adapted heritage that handles the heat well. Meeting the animal, ideally through a foster arrangement, tells you more than any breed guide can.
Find Mongrel-friendly spots in Singapore
Good spots to visit with a Mongrel in Singapore.
Breed fit quiz Does a Mongrel actually suit your life? Answer a few questions about your lifestyle and see how well this breed matches your real setup. Find out →
