This hotel is 2 minutes walk from the Kokoronokai Centre:

http://www.premierinn.com/en/checkHotel/NORCIT/norwich-city-centre-duke-street

This B&B is close to the railway station:

http://www.marlboroughguesthouse.co.uk/

This hotel is close to the bus station:

http://www.travelodge.co.uk/hotels/288/Norwich-Central-hotel

For more options search on these websites

http://www.booking.com

http://www.wegotravel.co.uk