Designed specifically for older people, commonly built in developments of about 20 to 40 self-contained flats or bungalows.
Wedi'u dylunio'n benodol ar gyfer pobl hŷn a'u hadeiladu fel arfer mewn datblygiadau sy'n cynnwys rhwng 20 a 40 o fflatiau neu fyngalos hunangynhwysol.