Key facts
Last updated 30/11/23

Address: Stockbridge oilfield, Winchester, Hampshire SO21 1HG
Planning application: Multiple planning applications
Operator: Star Energy, formerly IGas
Licence: PL233, PL249 and DL02
Status: Six oil production sites: Larkwhistle Farm, Hill Farm, Folly Farm and three that no longer exist (Chilbolton Down, Wallers Ash and Micheldever Rail Terminal). Permission for 48 wells drilled across the three current sites. Previous planning documents report 26 wells and sidetracks drilled at the field, of which 18 were active (4 at Folly Farm, 5 at Hill Farm and 9 at Larkwhistle Farm).

Timeline
16 February 2022
Planning permission granted for two water monitoring boreholes at Folly Farm oil field site
19 December 2016
Planning permission granted to allow the continuation of oil and gas production at Larkwhistle Farm, Hill Farm and Folly Farm (application 16/02508/HCM) until December 2036, increase the height of beam pumps and changes to working hours
December 2015
Three new horizontal sidetracks completed
2012
Ownership of oilfield transfers to IGas (later renamed Star Energy)
July 2010
Planning permission (10/01033/HCS) granted for removal of offices and replacement with new offices at Larkwhistle Farm
10 October 2006
First environmental permit issued.
April 2004
Planning permission (03/02825/HCM) granted for retention, extension and modification of Stockbridge sites until 31 December 2016
June 2002
Planning permission granted for an acoustic pump house around the triplex pump at Folly Farm for the period ending on 31 December 2016
December 1993
Planning permission W10378/02 granted for extended lorry movements and working hours and changed lorry routes
1993
New well drilled at Folly Farm site by Pentex
27 February 1991
Variation of planning permission to allow enlargement of bunded area to install two additional storage tanks at Larkwhistle Farm site
1990
Production begins at Folly Farm site
November 1989
Planning permission approved for erection and siting of office accommodation (W10378/01)
October 1988
Planning permission to upgrade existing wellsites to production sites and upgrade crude oil export rail terminal (TVN4368/1)
December 1983
PL249 and DL02 granted to Amoco and Ultramar, covering part of the Stockbridge oilfield
October 1983
PL233 awarded to Amoco and Ultramar, covering part of the Stockbridge oilfield