Planning application
26/00400/NMA
Seal House 1 Swan Lane London EC4R 3TN
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
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19 Mar 2026
Received by City of London
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24 Jul 2026
Added to PlanIndex
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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.
Nearby applications
Within 500 metres
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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).
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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.
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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.
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25/01113/FULMAJ Awaiting decision
Swan Pier Swan Lane London
Reinstatement of Swan Lane Pier and the permanent mooring of a stationary ship to provide a Livery Hall comprising office space, a library, education suite, court room, cabins, cafe, publicly accessible deck space and a function space. Works include provision of landside access, removal of two dolphins and installation of two mooring piles within the foreshore and a canting brow.
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26/00147/ADVT Granted
Bus Shelter Adjacent Adelaide House London Bridge London
Installation and display of one double sided internally illuminated digital advertisement measuring 2.10m high by 1.34m wide by 0.25m deep on bus shelter outside Adelaide House.
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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.
Other amendments applications
In City of London
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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.
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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.
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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.
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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.
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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.