South Hertfordshire (UK Parliament constituency)

Template:Short description Template:Infobox UK constituency main South Hertfordshire was a constituency in Hertfordshire which returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom. It was created for the February 1974 general election and abolished for the 1983 general election when it was mainly replaced by the new Hertsmere constituency.

Boundaries

Statutory definition

• The Urban District of Potters Bar;
• the Rural District of Elstree;
• in the Rural District of St Albans the parishes of Colney Heath, London Colney, and St Stephen; and
• in the Rural District of Watford the parish of Aldenham.

Components' immediate predecessor seats

• The land of the Urban District of Potters Bar in local government administration-abolished Middlesex has been in Hertfordshire since the creation of Greater London in 1965. It now moved into this new seat from the abolished Enfield West seat. 

• The Rural District of Elstree was in the abolished Barnet seat. 

• The three St Albans district parishes came from the very long-lived St Albans seat and Aldenham came from South West Hertfordshire.

Components' immediate successors

• Colney Heath went back to the St Albans seat and St Stephen transferred to the Watford seat. 

• The rest formed most of the new constituency of Hertsmere.

Members of Parliament

Election		Member	Party
style="color:inherit;background-color: Template:Party color" |	Feb 1974	Cecil Parkinson	Conservative
1983		constituency abolished: see Hertsmere

Election results

Elections in the 1970s

1970 notional result
Party		Vote	%
	Conservative	22,900	48.9
	Labour	18,000	38.5
	Liberal	5,900	12.6
Turnout		46,800	73.2
Electorate		63,896

General election February 1974: South Hertfordshire

Party		Candidate	Votes	%	±%
		Cecil Parkinson	Template:Replace	40.2
		Alf Dubs	18,104	34.4
		John Henchley	13,356	25.4
Majority			3,086	5.9
Turnout			52,650	82.2
Registered electors			64,035
	hold		Swing	−2.3

General election October 1974: South Hertfordshire

Party		Candidate	Votes	%	±%
		Cecil Parkinson	Template:Replace	42.7
		Alf Dubs	18,790	38.2
		John Henchley	9,393	19.1
Majority			2,228	4.5
Turnout			49,201	76.1
Registered electors			64,666
	hold		Swing	−0.7

General election 1979: South Hertfordshire

Party		Candidate	Votes	%	±%
		Cecil Parkinson	Template:Replace	54.1
		NG Male	16,059	31.2
		Gerald Sattin	7,001	13.6
		S Fenn	605	1.2
Majority			11,798	22.9
Turnout			51,522	79.0
Registered electors			65,198
	hold		Swing	+9.2