A county constituency in East of England, England.
Geographic code: E14001496
Notional elections
Constituency statistics
Office of National Statistics dashboards
Constituency area formation
South West Hertfordshire (start date dependent on next dissolution) was formed from:
- Part of South West Hertfordshire (13 April 2010 - )
- Part of Watford (13 April 2010 - )
- Part of Hemel Hempstead (13 April 2010 - )
- Part of St Albans (13 April 2010 - )