The Baltic Exchange 38 St Mary Axe London EC3A 8EX
Approved on 24 June 2026
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
Proposal
Submission of details of new dormer windows pursuant to discharge of conditon 3(h) of planning permission 25/00838/LBC dated 10.11.2025.
- Received
- 25 May 2026
- Council
- City of London Corporation
- Ward
- Aldgate
- ReceivedReceived25 May
- ValidatedValidated25 May
- Consult.Consultation
- TargetTarget Date
- DecidedDecided24 Jun
Decided in 30 days
About this application
This is a planning application for a dormer extension at The Baltic Exchange 38 St Mary Axe London EC3A 8EX. City of London has handled 6,632 applications of this type. This one was decided in 30 days, 7 weeks quicker than City of London's typical decision time. The site is in 3 listed buildings nearby. There have been 22 other applications at this address. In the past year there have been 49 applications across Aldgate. We hold 292 applications in total for the EC3A postcode area.
Application details
- Postcode
- EC3A 8EX
Planning application dates
- Date validated
- 25 May 2026
Planning decision
- Case officer
- Amrith Sehmi
Additional information
- Documents
- 5
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.
Also checked, none recorded (21)
flood storage areas, conservation areas, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
Associated applications
- 202619 Aug
Submission of drawings pursuant to discharge of condition 3(j) of planning permission 25/00838/LBC
ApprovedDischarge of conditions26/01191/LDC - 202627 May
Submission of details of (i) new windows, (ii) details of the proposed lightwell windows, (iii) new dormer…
WithdrawnDischarge of conditions26/00771/LDC - 202625 May
Submission of details of new dormer windows pursuant to discharge of condition 3(h) of Listed Building…
ApprovedDischarge of conditions26/00762/LDC - 202625 May
Submission of details of new dormer windows pursuant to discharge of conditon 3(h) of planning permission…
This applicationApprovedDischarge of conditions26/00762/MDC - 202531 Oct
Submission of details of the proposed external lighting scheme pursuant to condition 3 (part O) of listed…
ApprovedDischarge of conditions25/01502/LDC - 202531 Oct
Submission of details of the roof terrace including plant and ductwork arrangements, balustrades, finishes…
ApprovedDischarge of conditions25/01504/LDC - 202516 Oct
Submission of particulars and samples of the materials to be used on all external faces of the building…
ApprovedListed building consentRelated25/01428/LDC - 202513 Aug
Submission of details of: new windows throughout the elevations; details of the proposed lightwell windows…
ApprovedDischarge of conditions25/01108/LDC - 202527 Jun
Application under Section 19 of the Planning (Listed Buildings and Conservation Areas) Act 1990 to vary…
ApprovedListed building consentPart of25/00838/LBC
Planning history at this site
20 other applications at this property, newest first.
- 202619 Aug
Submission of drawings pursuant to discharge of condition 3(j) of planning permission 24/00978/LBC
ApprovedDischarge of conditions26/01191/MDC - 202625 Jun
Submission of post construction BREEAM assessment pursuant to condition 14 of planning permission…
ApprovedDischarge of conditions26/00915/MDC - 202627 May
Submission of details of (i) new windows (ii) new dormer windows to Bury Court and (iii) new glazed notch and…
WithdrawnDischarge of conditions26/00772/MDC - 202626 May
Submission of details of new windows pursuant to discharge of condition 13(e) of planning permission…
ApprovedDischarge of conditions26/00765/MDC - 20269 Apr
Removal of modern partitions and a single historic partition at second floor level
ApprovedListed building consent25/01508/LBC - 202521 Nov
Submission of details of a Servicing Management Plan demonstrating the arrangements for control of the…
ApprovedDischarge of conditions25/01640/MDC - 202531 Oct
Submission of details of all external greening (including species and contribution to biodiversity) and the…
ApprovedDischarge of conditions25/01505/MDC - 202531 Oct
Submission of details of the roof terrace including plant and ductwork arrangements, balustrades, finishes…
PendingDischarge of conditions25/01504/MDC - 202531 Oct
Submission of details of the proposed external lighting scheme pursuant to condition 13 (part H) of planning…
ApprovedDischarge of conditions25/01503/MDC - 202517 Oct
Submission of details of new windows throughout the elevations; details of new dormer windows to Bury Court…
ApprovedDischarge of conditions25/01433/MDC - 202517 Oct
Submission of particulars and samples of the materials to be used on all external faces of the building…
ApprovedDischarge of conditions25/01432/MDC - 202525 Jul
Baltic Exchange 2400978LBC Condition 3L ceiling features l1 and l2
ApprovedDischarge of conditions25/00992/LDC - 20259 Jun
Application under Section 73 of the Town and Country Planning Act 1990 (as amended) for the variation of…
ApprovedVariation of conditions (s73)25/00750/FULL - 202517 Jan
Please see 747-070320-241220-Level 02 Openings Drawings Schedule and associated drawings.
ApprovedSubmission of details (LBC/CAC)25/00053/LDC - 202412 Dec
Submission of details relating to mounting of mechanical plant to minimise transmission of structure borne…
PendingDischarge of conditions24/01313/MDC - 202430 Aug
Removal of existing ceiling finishes at ground, first and second floor levels (excluding board room) to…
PendingListed building consent24/00948/LBC - 202430 Aug
Submission of particulars and samples of the materials to be used on all external faces of the building…
ApprovedDischarge of conditions24/00946/MDC - 20242 Aug
Removal of the existing wall lining and defective waterproofing treatments at basement and lower ground floor…
ApprovedListed building consent24/00829/LBC - 202428 Jun
Submission of details of the step-free adjustments to the existing entrance to St Mary Axe pursuant to…
ApprovedDischarge of conditions24/00682/LDC - 202429 Apr
Submission of details of new windows throughout the elevations; and details of new dormer windows to Bury…
ApprovedDischarge of conditions24/00435/LDC
Source: City of London
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- The Baltic Exchange 38 St Mary Axe London EC3A 8EX24/00948/LBC · HeritageAwaiting decision0.0 mi
- The Baltic Exchange 38 St Mary Axe London EC3A 8EX24/00946/MDC · ConditionsApproved0.0 mi
- The Baltic Exchange 38 St Mary Axe London EC3A 8EX24/01313/MDC · ConditionsAwaiting decision0.0 mi
- The Baltic Exchange 38 St Mary Axe London EC3A 8EX23/00707/MDC · ConditionsApproved0.0 mi
- The Baltic Exchange 38 St Mary Axe London EC3A 8EX24/00829/LBC · HeritageApproved0.0 mi
For applicants and trades
Consultants on this application
- SM Planning · Agent for this application
Contractors near this project
Find contractors for loft conversions near this site- Orient Construction Consultancy LimitedVerifiedLondon2.2 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing2.6 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman2.7 mi
- Building Services LondonVerifiedLondonExtensionsLoft Conversions2.9 mi
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