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Planning application

26/00400/NMA

Seal House 1 Swan Lane London EC4R 3TN

Awaiting decision City of London Non-material Amendments

Proposal

Non-material amendment under Section 96A of the Town and Country Planning Act 1990 (as amended) for amendments to Condition 43 (Approved Drawings) and Condition 37 (Headroom clearance) of planning permission dated 30.09.2021, ref: 18/01178/FULMAJ (as amended by non-material amendments: refs. 22/01226/NMA, 23/00039/NMA, 23/00815/NMA, and 26/00582/NMA), to accommodate design changes to: (i) internal layouts, (ii) facade alterations, (iii) entrances and external building envelop, (iv) basement extents, and associated alterations.

As published by the council, reference 26/00400/NMA

Timeline

Dates from the published record

  1. 19 Mar 2026

    Received by City of London

  2. 24 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with City of London for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About amendments applications

How this application type works

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

Nearby applications

Within 500 metres

  • 23/00067/MDC Granted

    Seal House 1 Swan Lane London EC4R 3TN

    Submission of a Contamination Investigation and Risk Assessment pursuant to condition 9 (Contaminated Land) of planning permission 18/01178/FULMAJ (dated 30.09.2021).

    23 Jan 2023 0m away Conditions
  • 26/00582/NMA Granted

    Seal House 1 Swan Lane London EC4R 3TN

    Non-material amendment under Section 96A of the Town and Country Planning Act 1990 (as amended) to vary Condition 20 (Noise from Plant) of planning permission dated 30.09.2021, ref: 18/01178/FULMAJ (as amended by non-material amendments: refs. 22/01226/NMA, 23/00039/NMA, and 23/00815/NMA), to accommodate deviation in background noise levels caused by operation and maintenance of life-safety generators on site.

    22 Apr 2026 0m away Amendments
  • 23/00102/PODC Granted

    Seal House 1 Swan Lane London EC4R 3TN

    Submission of details of utility connections, pursuant to Schedule 3, Paragraph 12.1 of the S106 Agreement signed 30.09.2021, case reference 18/01178/FULMAJ.

    26 Jan 2023 0m away
  • 25/01113/FULMAJ Awaiting decision

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    14 Aug 2025 79m away Full applications
  • 26/00147/ADVT Granted

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    30 Jan 2026 85m away Advertising
  • 26/00332/LDC Granted

    Adelaide House London Bridge London EC4R 9HA

    Submission of details of a photo sheet showing the completed sample area of the flooring at ground floor level pursuant to condition 3 of Listed Building Consent 23/00856/LBC dated 19.10.2023.

    5 Mar 2026 103m away Lawful development

In City of London

  • 26/00037/NMA Granted

    Aldersgate House 135 - 137 Aldersgate Street London EC1A 4JA

    Application for non-material amendment under S96A of the Town and Country Planning Act 1990 (as amended) to amend condition 8 (Approved Plans) of planning permission 24/01308/FULL dated 05.02.2025 for minor amendments which include: i. Introduction of a low-level structure/access platform at the northern side of the plant room, ii. Modest increase in the height of the proposed roof plant enclosure of 800mm at its highest point, iii. Change of external cladding material from lead to zinc, iv. Amendments to the areas proposed for green sedum roof installation.

    13 Jan 2026 Amendments
  • 26/00671/NMA Granted

    Allianz House 60 Gracechurch Street London EC3V 0HR

    Non material amendment under section 96A of the Town and Country Planning Act 1990 (as amended) for amendments to Condition 49 (Accessible Car Parking Space) and Condition 61 (Approved Plans) of planning permission dated 15.05.2025 (ref: 24/00743/FULEIA as amended); amendments include alterations to the Ground and First Floors to enhance the arrival sequence, entrance doors and short stay cycle arrangement.

    11 May 2026 Amendments
  • 26/01015/NMA Awaiting decision

    70 Fenchurch Street London EC3M 4BR

    Non-Material Amendment to planning permission ref.26/00462/FULL for amendments to Condition 2 (Approved Documents) to accommodate design changes NAMELY to (i) create a new void at Level 1, (ii) amend the infill-pavilion at Level 6, (iii) remove the infill floors on Levels 6, 7, 8 and 9 and, (iv) increase the floor retention in the eastern atrium on Level 1.

    16 Jul 2026 Amendments
  • 26/01016/NMA Awaiting decision

    (site Known As 85 Gracechurch Street) 83 - 87 Gracechurch Street London EC3V 0AA

    Non-Material Amendment to planning permission ref.25/00433/FULEIA for amendments to Condition 51 (Approved Documents) to accommodate changes NAMELY to alter the entrance arrangements.

    16 Jul 2026 Amendments
  • 26/01001/NMA Awaiting decision

    60 Chiswell Street London EC1Y 4AG

    Non-material amendment pursuant to Section 96A of the Town and Country Planning Act 1990 (as amended) to allow for the introduction of a phasing condition to allow for the development to be phased and to amend Condition 52 (Floorspace Figures) and Condition 54(Approved Drawings) of planning permission 24/01156/FULMAJ dated 16th May 2025 to allow for design changes to: (i) internal layouts, (ii) façade and elevation alterations, (iii) the massing at level 09, (iv) the cycle parking entrance and fire escape, (v) façade alterations to the level 11 pavilion, (vi) enlarged terrace at level 10, (vii) additional rooftop plant, (viii) structural changes (ix) alterations to lighting on Moor Lane and (x) all associated works.

    14 Jul 2026 Amendments