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

This site has had 7 applications since 2023: 2 approved, 0 refused.

• 25/00878/AD Decided

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

  Installation of freestanding internally illuminated sign on concrete plinth

  Decided 4 Feb 2026
• 25/00877/FP Decided

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

  Installation of freestanding internally illuminated sign on concrete plinth

  Decided 4 Feb 2026 Full applications
• 24/00678/COND Granted

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

  Partial discharge of conditions 8 (construction management plan) and 10 (site waste management plan) attached to planning permission reference number 23/00293/FPM for part of the detailed area.

  Decided 18 Oct 2024 Conditions
• 24/00618/NMA Decided

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

  Non material amendment to planning permission 23/00293/FPM

  Decided 16 Sep 2024 Amendments
• 23/00289/SCR Decided

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

  EIA Screening Opinion

  Decided 1 Jun 2023 Outline
• 23/00249/FP Granted

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

  Construction of replacement security lodge, with associated access, car/cycle parking and landscaping

  Decided 22 May 2023 Full applications

1. 8 Jun 2026

   Received by Stevenage

2. 22 Jun 2026

   Decision issued

3. 24 Jul 2026

   Added to PlanIndex

Stevenage has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

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

  25/00878/AD Submitted 10 Dec 2025 50 yards away

  Installation of freestanding internally illuminated sign on concrete plinth

  Decided 10 docs

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

  25/00877/FP Submitted 10 Dec 2025 50 yards away

  Installation of freestanding internally illuminated sign on concrete plinth

  Decided Full applications 10 docs

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

  26/00576/S106 Submitted 3 Aug 2026 50 yards away

  88% 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 50 yards away

  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 3 docs

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

  23/00289/SCR Submitted 14 Apr 2023 50 yards away

  EIA Screening Opinion

  Decided Outline 3 docs

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

  26/00578/NMA Submitted 3 Aug 2026 50 yards away

  88% 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 39 docs

• 26/00762/NMA Decided

  Land Adjacent To Lanes End Todds Green Stevenage Herts SG1 2JE

  Non-material amendment to planning approval 26/00491/PIP to amend red line site boundary

  Received 22 Oct, published by the council 24 Oct 2026 Amendments
• 26/00752/NMA Awaiting decision

  224-230 Bedwell Crescent Stevenage Herts SG1 1NG

  Non-material amendment to planning permission 22/00965/FPM to enclose bin stores for plots 21-28, 39-43 and 44-49 with timber fencing and gates

  Received 14 Oct, published by the council 15 Oct 2026 Amendments
• 26/00705/NMA Decided

  Hotel Cromwell 25 - 27 High Street Stevenage Herts SG1 3AZ

  Non-material amendment to planning permission reference 25/00750/FP to install footway adjacent to the vehicular access

  Received 25 Sep, published by the council 28 Sep 2026 Amendments
• 26/00691/NMA Decided

  46 Basils Road Stevenage Herts SG1 3PX

  Non-material amendment to planning approval 25/00431/FP for external stair replacement, fenestration alterations and internal layout changes.

  Received 18 Sep, published by the council 21 Sep 2026 Amendments
• 26/00615/NMA Decided

  Maxwell Road Stevenage Herts SG1 2EW

  Non-Material amendment to planning approval 25/00400/FPM to Condition 9 (External Lighting)

  Received 18 Aug, published by the council 19 Aug 2026 Amendments