Start with the bathroom you actually have. Toronto's housing stock is a real mix, and that shapes the smart choice. In a Riverdale semi or an Annex Victorian, bathrooms are often small with older shutoff valves and plaster walls, so an add-on raised seat can be the quickest win. In a newer condo near the waterfront or North York, you've usually got room and modern plumbing to swap in a full comfort-height toilet, which looks built-in and holds up better long term.
Our advice: if your parent is steady on their feet and you want a fast, low-cost improvement, go with a quality add-on raised seat, ideally one with sturdy armrests. If they're finding it hard to sit and stand, or if this bathroom will matter for years, spend the extra and install a comfort-height toilet. The trade-off is honest: the full toilet costs more and needs a plumber, but a wobbly clip-on seat that shifts under weight is worse than no upgrade at all. For safety rails, built-in grab bars anchored to studs or blocking beat clamp-on rails every time; older Toronto walls sometimes need blocking added, so ask about that before you buy.
Bidets are worth a serious look for hygiene and independence. A non-electric attachment fits most existing toilets; a heated electric seat needs a nearby outlet, which many older bathrooms lack, so budget for a small electrical job if you go that route.
When you compare retailers and installers, prioritize ones with genuine senior and accessibility experience, not just general plumbing. Ask about licensing and insurance, warranty on both the fixture and the labour, and how fast they respond if something fails. Winter matters here too: a same-week service window is worth more when a January cold snap makes an out-of-order bathroom a real problem. Get the measurements and quotes in writing before anyone books a day off work.