WAstonfields Balancing Lakes
WAttenborough Nature Reserve
WBeddington Farmlands
WBempton Cliffs
WBlagdon Lake
WBrancaster Manor
WBridgwater Bay
WBrockholes (nature reserve)
WChew Valley Lake
WChittening
WCley Marshes
WCrowdy Reservoir
WFairburn Ings RSPB reserve
WFishers Green
WFoulney Island
WFowlmere RSPB reserve
WGwennap Head
WHodbarrow RSPB reserve
WHolme Dunes
WLeighton Moss RSPB reserve
WRSPB Minsmere
WNature reserves in the North Norfolk Coast Site of Special Scientific Interest
WPensthorpe Natural Park
WPrawle Point
WIsles of Scilly
WSelborne
WShapwick Moor
WSizergh Castle and Garden
WSouth Efford Marsh
WSouth Walney
WSt Bees Head RSPB reserve
WStiffkey Fen
WTitchwell Marsh
WWatercress Wildlife Site
WWesthay Moor
WWWT London Wetland Centre
WWWT Martin Mere
WWWT Slimbridge