Add the 1973 non-metropolitan district wards to List of wards in ... pages
Add the 1976/1979/1983 non-metropolitan district wards to List of wards in ... pages
Add the 1973-2004 metropolitan district wards to List of wards in ... pages
Add ward changes caused by Related changes orders to List of wards in ... pages
Add (; X councillors from X wards/electoral divisions) to county & district elections pages
Maybe make a current non-metropolitan districts template - to complament the Template:Unitary authorities of England, Template:Metropolitan districts of England, Template:Former non-metropolitan districts of England.