There are some details here http://www.bungay-suffolk.co.uk/tourism/area.htm
St Margaret is a Grade I Listed Building, see the other listed buildings here
http://www.britishlistedbuildings.co.uk/england/suffolk/st+margaret%2C+ilketshall
ISM from Google Earth
http://maps.google.co.uk/maps?q=felixstowe&hl=en&ll=52.429641,1.457748&spn=0.089805,0.3368&gl=uk&t=h&z=12&vpsrc=6