Fifth in the Thin Blue Line circuit. You are looking for a magnetic nano. Please replace exactly as found and be discreet as this is a high muggle residential area.
There are several other caches nearby that you can pick up along the way, especially within the Bure Park nature reserve.
Use Church Micro #2277 GC30WCK as the last in this circuit which is by the start/finish point of the 5k walk.