Height does not read as danger to a dog the way it does to us. Falls from windows and balconies are a recognised pattern in city veterinary practice, sometimes called high-rise syndrome, and survivors often arrive with chest, leg and jaw injuries. The protection is therefore never training or trust; it is hardware and household rules that make a fall physically impossible on the worst day, not just unlikely on a good one.
Restrict Every Opening, Not Just the Obvious Ones
Start with an audit of every opening in the flat, including the small ones people forget: bathroom windows, kitchen transoms, and windows in rooms she only enters occasionally. Fit restrictors that limit openings to a gap her head cannot pass — remember that where a determined dog's head fits, her body may follow — and check that restrictors cannot be released by a paw pressing from inside. Screens and mesh panels let you have real airflow without an open gap, but they must be rigid and properly fixed: a fly screen designed to keep insects out may pop out under the weight of a dog leaning on it, so choose pet-rated mesh in a solid frame and test it with firm hand pressure.
Make the Balcony Itself Dog-Proof
If she is allowed on the balcony at all, treat it like a tiny high garden. Railings need infill if the gaps allow a head through, and solid balcony walls need checking for any gap at floor level where a small dog could squeeze. Keep chairs, storage boxes and planters away from the railing, because dogs climb furniture to see over, and a dog standing on a chair at the rail has already defeated most of your safety margin. If the balcony cannot be made secure, the honest answer is that it stays a humans-only space and she gets her fresh air on walks.
Manage Heat Without Opening the Risk
The pressure to open everything comes on hot days, when a high-rise flat can overheat and both you and your dog need air. Plan for that pressure with safe cooling that does not depend on wide openings: screens and restrictors fitted in advance, curtains closed against the midday sun on the hot side, fans positioned where she cannot knock them into her water bowl or chew the cable, and frozen treats and cool mats for her during heatwaves. On warm evenings, her coolest safe spot is on the floor away from the glass, with water she can reach without crossing the balcony door.
Household Rules That Survive Guests and Flatmates
Most falls happen during the exception — the party, the cleaner propping a window, the flatmate who loves sleeping with the balcony door wide open. Agree the rules in writing: maximum openings, which windows never open, and a closed-door rule for any room where a window is open beyond the restrictor setting. Tell guests plainly and early, put a small sign on the balcony door if it helps, and check the flat after visitors leave, not just before they arrive.
If She Ever Falls or Gets Out on a Ledge
A dog who has fallen needs a vet immediately, even if she walks away apparently unhurt, because internal injuries and shock can hide behind adrenaline for hours. Move her gently on a flat board or in a blanket sling if she cannot walk, keep her warm and quiet, and tell the clinic the height and the surface she landed on. Then record exactly which opening failed in her KinsLe notes, because Family Sharing ensures the flatmate or guest who uses that room next knows the fix that was made and the rule that now applies to it.