Being one of the country’s finest cities makes Norwich a popular destination for tourists and it is therefore well served by hotels. You may well have your own favourite search and/or booking sites for selecting accommodation, but if you need some to try, have a look at Trivago , Expedia or Booking.com
Norwich has inter-city rail links to London and cross-country links via Ely. if you are considering coming to visit by train, this rail planner might help. Beware of weekend working however and check in advance that you will not be affected by bus replacement services which are often in place at weekends.
If you are travelling to the city by car, here is a map of city centre car parks. The city does operate a park and ride scheme and here are their locations. Be aware that the last buses back to the car parks are quite early in the evening at around 6:30pm.