Which is better to stay in shared house or university accommodation?
The University of Reading publishes cost of living information on its website

https://studyabroad.reading.ac.uk/incoming/costs/

The costs of University accommodation are listed at

http://www.reading.ac.uk/ready-to-study/study/fees-and-funding/fees-and-funding-ug/living-costs.aspx

and you can see rental properties on sites like rightmove.co.uk