Glaxo SmithKline Research And Development Ltd Gunnels Wood Road Stevenage Herts SG1 2FX

1. 10 Dec 2025

   Received by Stevenage

2. 15 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 7 Aug 2026

   Added to PlanIndex

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

• Glaxo SmithKline Research And Development Ltd Gunnels Wood Road Stevenage Herts SG1 2FX

  25/00878/AD Submitted 10 Dec 2025 0m away

  92% historically approved · decision due ~9 Feb

  Installation of freestanding internally illuminated sign on concrete plinth

  Decided

• Land Adjacent To GSK Campus Gunnels Wood Road Stevenage Herts SG1 2FX

  26/00576/S106 Submitted 3 Aug 2026 0m away

  92% historically approved · decision due ~12 Oct

  Request to modify the S106 Legal Agreement dated 30 May 2024 in relation to obligations (2.1.1 & 2.1.2) in relation to highways matters approved under planning permission 23/00293/FPM & 25/00893/FPM

  Awaiting decision

• Land Adjacent To GSK Campus Gunnels Wood Road Stevenage Herts SG1 2FX

  25/00803/NMA Submitted 4 Nov 2025 0m away

  92% historically approved · decision due ~30 Dec

  Non-material amendment to planning permission 23/00293/FPM comprising changes to description of development and amendments to wording of conditions 8, 10, 49, 50 and 51.

  Decided Amendments

• Glaxo SmithKline Research And Development Ltd Gunnels Wood Road Stevenage Herts SG1 2FX

  26/00442/NMA Submitted 8 Jun 2026 0m away

  92% historically approved · decision due ~3 Aug

  Non-material amendment to planning approval 23/00249/FP for minor revisions to the roof and parking layout of the security lodge

  Decided Amendments

• Land Adjacent To GSK Campus Gunnels Wood Road Stevenage Herts SG1 2FX

  26/00578/NMA Submitted 3 Aug 2026 0m away

  92% historically approved · decision due ~28 Sep

  Non Material Amendment to planning permission 25/00893/FPM for additional Substation 3 within the Detailed Area, amendments to extent of Detailed / Outline Areas and landscaping, additional Meanwhile Use / Landscape Areas and amendments to conditions

  Awaiting decision Amendments

• Land Adjacent To GSK Campus Gunnels Wood Road Stevenage Herts SG1 2FX

  25/00893/FPM Submitted 18 Dec 2025 0m away

  92% historically approved · decision due ~13 Feb

  Application for Planning Permission for Development without Compliance with Conditions 1, 2, 3, 4, 8, 10, 13, 16, 19, 20, 21, 22, 23, 24, 25, 31, 32, 38, 40, 41, 42, 43, 45, 46, 49, 50, 51, 52, 53, attached to planning permission reference number 23/00293/FPM for Hybrid Planning Application for a new Life Sciences Campus comprising of Full planning permission for the demolition of existing ancillary buildings, structures, erection of employment floorspace (Classes E(g)(ii) and (iii), B2 and B8, with provision for Class E uses at ground, lower ground and upper ground/mezzanine floors) revised junction arrangement (A602 and Gunnels Wood Road) and alterations to the site layout to include new car parking (including a multi storey car park), internal access and associated works (such as new utilities (including new substations), drainage and infrastructure hard and soft landscaping and introduction of sustainable transport facilities) and Outline planning permission for the demolition of existing ancillary buildings/structures, erection of employment floorspace (Classes E(g)(i) to (iii), B2 and B8, with provision for an ancillary auditorium, and Class E uses at ground floor) and Amenity Hub (Classes E and B2), provision of car parking (including multi storey car park(s)) and associated works (such as new access, utilities, drainage, infrastructure and hard and soft landscaping), with all matters reserved for subsequent approval.

  Decided Demolition

• 26/00644/FP Awaiting decision

  Pyramid House Oxleys Road Stevenage Herts SG2 9YE

  Change of use from taxi fleet vehicle maintenance/office facility to a general vehicle maintenance facility.

  2 Sep 2026 Full applications
• 26/00630/FP Awaiting decision

  5 West Reach Stevenage Herts SG2 9AS

  Change of Use from public amenity land to residential use

  26 Aug 2026 Full applications
• 26/00607/FP Awaiting decision

  Stevenage Leisure Park, Unit 1A Kings Way Stevenage Herts SG1 2UA

  Installation of new ductwork and condensers

  17 Aug 2026 Full applications
• 26/00605/FP Awaiting decision

  Stevenage Leisure Park, Unit 1A Kings Way Stevenage Herts SG1 2UA

  Sub division of Unit R1 into 2 Units including new entrance and new side delivery window

  17 Aug 2026 Full applications
• 26/00606/FP Awaiting decision

  Stevenage Leisure Park, Unit 1A Kings Way Stevenage Herts SG1 2UA

  Installation of new ductwork and condenser units

  17 Aug 2026 Full applications