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Planning application

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

Decided Stevenage 25/00803/NMA Amendments

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

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.

As published by the council, reference 25/00803/NMA

Application record

Reference
25/00803/NMA
Category
Amendments
Status
Decided
Received
4 Nov 2025
Validated
4 Nov 2025
Decided
19 Nov 2025
Ward
Roebuck
Parish
To Follow
Decision by
Delegated Decision
Postcode
SG1 2FX

Site history

Applications at this address on the Stevenage register

This site has had 4 applications since 2025.

  • 26/00576/S106 Awaiting decision

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

    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

    Submitted 3 Aug 2026
  • 26/00578/NMA Awaiting decision

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

    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

    Submitted 3 Aug 2026 Amendments
  • 25/00893/FPM Decided

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

    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 13 Mar 2026

Timeline

Dates from the published record

  1. 4 Nov 2025

    Received by Stevenage

  2. 19 Nov 2025

    Decision issued

  3. 7 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

3 documents on file for this application

  • DECISION NOTICE Decision Notice · 19 Nov 2025
  • APPLICATION FORM Application Form · 04 Nov 2025
  • COVER LETTER Supporting Documents · 04 Nov 2025

Watch members (£5 a month) open the document list from here.

Open the documents

After the decision

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.

About amendment applications

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.

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Within 0.3 miles

In Stevenage

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