Making the house safe for an aging parent - where to start?

The bathroom, in order

• A curbless or low-threshold shower, so nothing has to be stepped over.
• A handheld shower on a slide bar, usable seated or standing.
• A comfort-height toilet.
• Real grab bars, lagged into blocking or studs. Suction-cup bars are worse than nothing because they are trusted.

Lighting is badly underrated

Motion-sensor night lighting from the bed to the bathroom prevents more falls than almost any single modification, and it costs very little. Add more light generally — older eyes need considerably more of it — and remove the sharp contrast between a bright hallway and a dark room.

The cheap structural moves

• Thresholds levelled, and rugs removed or properly fixed down.
• A 36-inch door on at least one bathroom.
• Lever handles instead of knobs, everywhere.
• Plywood blocking in the walls now, even if the bars go in later.

That last one is the point: during any remodel, blocking costs almost nothing. Afterwards it means opening the wall again.

If this is part of a bigger plan

A parent moving in usually means a suite rather than a set of modifications, and the design decisions are different: in-law suite planning mistakes. If a shower is being rebuilt anyway, do it curbless now rather than twice.

I build these in Central Florida, and the cheap items genuinely do most of the work.

Outside the bathroom

• A step-free entrance somewhere, even if it is the garage door rather than the front door.
• A bedroom and a full bathroom on the ground floor.
• Wider circulation at the kitchen and at the end of hallways, where a walker has to turn.
• Non-slip flooring, particularly at the transitions between rooms.
• Handrails on both sides of any steps, including the one into the garage.

Most of those are cheap during a renovation that is happening anyway, which is why this list belongs in the planning conversation rather than in an emergency after a fall.

Do it in the right order

Bathroom first, then lighting, then thresholds and flooring, then the entrance. That order matches where falls actually happen, and it means the most useful work is done first if the budget runs out.

If a renovation is already planned elsewhere in the house, bring the blocking and any wider doorways forward into that job. The labour is already on site and the walls are already open.