Sentence:  People, upon first meeting me, ask: ‘Do you rent or buy?' I find this impertinent. ... You could fake philosophical unconcern, implying that such <WSD>banausic</WSD> matters are best left to your estate agent and factor: ‘I quite forget: my people look after such things.' 
Meaning of the word marked with <WSD> tags:  Uncultured, unrefined, utilitarian. (from mid 19th c.)