Talk about good timing. Just a day after I decided to renovate and elder-proof my guest bathroom, a letter arrived saying my household qualified for a government scheme subsidising senior-friendly fittings. When I renovated my house in 2019, I ran out of funds before I got to the small ground-floor bathroom. It was serviceable, if dated, so I left it as it was. But in recent years, leaks started appearing, one after another, each requiring a call to the plumber. When a valve in the cistern finally gave way, I decided it was time to stop patching and start afresh.Under...