The only thing I can say (having been born in 1988, sharing a slightly smaller house with 4 siblings), is that that sounds reasonable. We all shared rooms and

The only thing I can say (having been born in 1988, sharing a slightly smaller house with 4 siblings), is that that sounds reasonable. We all shared rooms and had less than a few square meters to ourselves. It was fine. People these days are too attached to the idea they need massive homes to live their lives.