When Phil and Jennifer retired, they started to think that they wanted to downsize from their detached home – but they knew they only wanted to move once, so they set their hearts on finding a bungalow. But when the couple in their 60s, from near Nottingham, started searching, they were shocked to find there was a huge scarcity of bungalows available in the area. Any that they did find were as expensive as larger houses and were often still in n…