Sycamore House Leyden Road Stevenage Herts SG1 2BP

1. 3 Aug 2021

   Received by Stevenage

2. 30 Aug 2021

   Decision issued: Non-Material Amendment Agreed

3. 28 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.

An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.

More on amendments applications in our guide

• Sycamore House Leyden Road Stevenage Herts SG1 2BP

  21/00875/COND Submitted 8 Aug 2021 2m away

  Discharge of conditions 5 (Landscaping) attached to planning permission reference number 19/00720/FP

  Decided Conditions 6 docs

• Glaxo Sycamore House Leyden Road Stevenage Herts SG1 2BP

  21/00683/COND Submitted 16 Jun 2021 5m away

  Discharge of conditions 3 (replacement tree) attached to planning permission reference number 20/00658/FP

  Decided Conditions Trees 5 docs

• Sycamore House Leyden Road Stevenage Herts SG1 2BP

  21/00689/NMA Submitted 17 Jun 2021 12m away

  Non material amendment to full planning approval 19/00720/FP to relocate 3no. flues located on the roof

  Decided Amendments 7 docs

• Leyden Works Leyden Road Stevenage Herts SG1 2BP

  23/00137/FP Submitted 13 Feb 2023 122m away

  Change of use from Use Class E(g)(iii) (Industrial) to Use Class F1(f) (Place of worship).

  Refused Full applications 5 docs

• Sycamore House Leyden Road Stevenage Herts SG1 2BP

  21/00807/NMA Submitted 19 Jul 2021 126m away

  Non material amendment to planning permission reference 19/00720/FP for the installation of a service gantry.

  Decided Amendments 6 docs

• Plot 2000 Gunnels Wood Road Stevenage Hertfordshire

  19/02785/ADJ Submitted 21 Nov 2019 167m away

  Erect business and household storage facility (Use Class B8) associated car parking, delivery areas and associated ancillary works NORTH HERTS DISTRICT COUNCIL : ADJACENT AUTHORITY : CONSULTEE ONLY

  Decided Outline 4 docs

• 26/00615/NMA Decided

  Maxwell Road Stevenage Herts SG1 2EW

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

  18 Aug 2026 Amendments
• 26/00611/NMA Decided

  44 Haycroft Road Stevenage Herts SG1 3JJ

  Non-Material Amendment to planning permission reference 18/00038/FPH to amend the approved external materials, with consequential amendments to conditions 3 and 4.

  18 Aug 2026 Amendments
• 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

  3 Aug 2026 Amendments
• 26/00489/NMA Decided

  The Oval Stevenage Herts SG1 5LW

  Non material amendment to planning approval 23/00954/FPM relating to landscaping, elevational alterations and car park access for Parcel E.

  29 Jun 2026 Amendments
• 26/00459/NMA Decided

  10 Hillside Stevenage Herts SG1 1PX

  Non-material amendment to planning approval 24/00609/FPH in relation to Condition 3 (Matching Materials)

  16 Jun 2026 Amendments