There are several Grade I listed buildings in Beccles and a huge number of Grade II listed
http://www.britishlistedbuildings.co.uk/england/suffolk/beccles
Beccles from Google Earth
http://maps.google.co.uk/maps?q=felixstowe&hl=en&ll=52.448111,1.571131&spn=0.022442,0.0842&gl=uk&t=h&vpsrc=6&z=14