Planning application
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Amendment to the ground floor Cannon Street elevation to accommodate a revised smoke vent; Spatial reconfiguration of the ground floor lobby including installation of a dropped ceiling
As published by the council, reference 25/01703/LBC
Application record
- Reference
- 25/01703/LBC
- Type
- Listed Building Consent
- Status
- Under Consideration
- Received
- 4 Dec 2025
- Validated
- 4 Dec 2025
- Ward
- Candlewick
- Decision by
- Delegated
- Postcode
- EC4N 5AU
Site history
Applications at this address on the City of London register
This site has had 12 applications since 2022: 7 approved, 0 refused.
-
26/01212/LBC Awaiting decision
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
Installation of internal secondary glazing to the existing windows at first to fifth-floor levels
-
26/01134/NMA Awaiting decision
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
Non-material amendment under Section 96A of the Town and Country Planning Act 1990 (as amended) to planning permission 24/00995/FULL dated 23 December 2024 to: (i) revise the ground floor entrance arrangement, maintenance requirements, ventilation louvres and (ii) revise the sixth floor layout to include staff WC, increase the plant area, amend fire escape access.
-
26/00109/NMA Withdrawn
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
Non material amendments under section 96A of the Town and Country Planning Act 1990 (as amended) to planning permission ref 24/00995/FULL (dated 12/09/2024), to: (i) accommodate a revised smoke vent.
-
26/00024/ADVT Awaiting decision
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
Installation and display of externally illuminated banner advertising on temporary hoarding, including: (i) one PVC banner measuring 700mm x 1075mm at a height of 3.5m on the southern elevation, (ii) one PVC banner measuring 700mm x 3000mm at a height of 3.5m on the southern elevation, (iii) two PVC banners measuring 700mm x 3000mm at a height of 3.5m on the southern elevation, (iv) two PVC banners measuring 650mm x 1380mm at a height of 5.7m, on the eastern and western elevations (v) two PVC banners measuring 700mm x 2200mm at a height of 4.3m on the eastern elevation (Abchurch Yard).
-
24/00995/FULL Granted
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
The conversion of the existing commercial accommodation (Class E) at first to fifth floors into 30 x serviced apartments (Class C1), internal alterations associated with the change of use, the creation a new lobby space with waste and bicycle storage space at ground floor level, installation of a partition to the rear of the ground floor commercial (Class E) unit (retrospective consent), installation of mechanical plant and machinery at ground to the rear of the ground floor commercial (Class E) unit with access from a new door to Abchurch Yard, alterations to the existing ground floor entrance door, alterations at roof level including the provision of replacement plant and machinery, and other associated works.
-
24/00996/LBC Granted
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
The conversion of the existing commercial accommodation (Class E) at first to fifth floors into 30 x serviced apartments (Class C1), internal alterations associated with the change of use, the creation a new lobby space with waste and bicycle storage space at ground floor level, installation of a partition to the rear of the ground floor commercial (Class E) unit (retrospective consent), installation of mechanical plant and machinery at ground to the rear of the ground floor commercial (Class E) unit with access from a new door to Abchurch Yard, alterations to the existing ground floor entrance door, alterations at roof level including the provision of replacement plant and machinery, and other associated works.
-
24/00457/LBC Granted
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
Minor interior works installing a cafe fit out, replacement of signage and repainting of shop front.
-
24/00058/LBC Granted
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
Internal restaurant fit out (no extraction systems proposed). No interventions are proposed to the structure of the building and any listed elements.
-
23/01398/ADVT Granted
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
Replacement projecting signage panel (600mm x 600mm) with LED through lights.
-
22/01031/LBC Granted
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
The conversion of the existing commercial accommodation (Class E) at first to fifth floors into 20 x serviced apartments (Class C1), internal alterations associated with the change of use, the creation a new lobby space with waste and bicycle storage space at ground floor level, alterations to the existing ground floor entrance door, alterations at roof level including the provision of replacement plant and machinery and a single storey lounge area with associated terrace space, and other associated works.
Timeline
Dates from the published record
-
4 Dec 2025
Received by City of London
-
24 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 29 January 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
City of London took a median of 84 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Iceni Projects Ltd. Agent, registered in London
Active · incorporated 2005 · London
861 applications on PlanIndex · across 92 councils · 95% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track record123 Cannon Street Limited Applicant, registered in London
Active · incorporated 2023 · London
4 applications on PlanIndex
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
17 documents on file for this application
- PROPOSED ROOF PLAN
- SECTION BB
- PROPOSED ROOF PLAN
- APPLICATIONFORMREDACTED
- A 025 001
- PROPOSED GROUND FLOOR PLAN
- PROPOSED 1ST FLOOR PLAN
- PROPOSED 2ND FLOOR PLAN
- PROPOSED 3RD FLOOR PLAN
- PROPOSED 4TH FLOOR PLAN
- PROPOSED 5TH FLOOR PLAN
- PROPOSED 6TH FLOOR PLAN
- PROPOSED ELEVATION CANNON ST
- SECTION BB
- PROPOSED RCP GROUND FLOOR
- EXTERNAL DOOR DETAIL GROUND FLOOR
- 251204_HERITAGE STATEMENT ADDENDUM ST MARY ABCHURCH HOUSE_ICENI PROJECTS
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with City of London for determination, against a statutory target of eight weeks. Over the last year City of London decided heritage and listed building applications in a median of 94 days. More in our guide to how long planning decisions take.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
Replacement projecting signage panel (600mm x 600mm) with LED through lights.
Granted Advertising 6 docs -
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
The conversion of the existing commercial accommodation (Class E) at first to fifth floors into 30 x serviced apartments (Class C1), internal alterations associated with the change of use, the creation a new lobby space with waste and bicycle storage space at ground floor level, installation of a partition to the rear of the ground floor commercial (Class E) unit (retrospective consent), installation of mechanical plant and machinery at ground to the rear of the ground floor commercial (Class E) unit with access from a new door to Abchurch Yard, alterations to the existing ground floor entrance door, alterations at roof level including the provision of replacement plant and machinery, and other associated works.
Granted Full applications New dwelling 74 docs -
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
The conversion of the existing commercial accommodation (Class E) at first to fifth floors into 30 x serviced apartments (Class C1), internal alterations associated with the change of use, the creation a new lobby space with waste and bicycle storage space at ground floor level, installation of a partition to the rear of the ground floor commercial (Class E) unit (retrospective consent), installation of mechanical plant and machinery at ground to the rear of the ground floor commercial (Class E) unit with access from a new door to Abchurch Yard, alterations to the existing ground floor entrance door, alterations at roof level including the provision of replacement plant and machinery, and other associated works.
Granted Heritage and listed buildings New dwelling 68 docs -
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
The conversion of the existing commercial accommodation (Class E) at first to fifth floors into 20 x serviced apartments (Class C1), internal alterations associated with the change of use, the creation a new lobby space with waste and bicycle storage space at ground floor level, alterations to the existing ground floor entrance door, alterations at roof level including the provision of replacement plant and machinery and a single storey lounge area with associated terrace space, and other associated works.
Granted Heritage and listed buildings New dwelling 31 docsSmall domestic -
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
The conversion of the existing commercial accommodation (Class E) at first to fifth floors into 20 x serviced apartments (Class C1), internal alterations associated with the change of use, the creation a new lobby space with waste and bicycle storage space at ground floor level, alterations to the existing ground floor entrance door, alterations at roof level including the provision of replacement plant and machinery and a single storey lounge area with associated terrace space, and other associated works.
Granted Full applications New dwelling 43 docsSmall domestic -
St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU
100% historically approved · decision due ~21 Oct
Installation of internal secondary glazing to the existing windows at first to fifth-floor levels
Awaiting decision Heritage and listed buildings Windows or glazing 12 docs
Other heritage and listed building applications
In City of London
-
26/01084/LBC Granted
Chapter House St Paul's Churchyard London EC4M 8AD
Alterations to undercroft of St Paul's Cathedral and minor alterations to Chapter House including (i) Installation of a new passenger lift and associated raised platform within the external contemporary undercroft of St Paul's Cathedral to provide step-free access between the Chapter House and the undercroft (ii) extension of the existing step at the eastern exit of the Chapter House following partial demolition of existing external staircase, landing, and railings to provide level access and replacement of existing security gate (iii) raising the floor level and removal of associated stairs at below-ground level and installation of external, open platform lift in undercroft (No other works to the Cathedral or wider undercroft).
-
24/00563/LBC Granted
6-7 New Street London EC2M 4TP
External alterations to windows on rear elevation of number 7 and mansard roof of number 6 and internal alterations in association with conversion of two dwelling houses into eight studio flats and one two bedroom flat.
-
26/01174/LBC Granted
Central Criminal Court Old Bailey London EC4M 7EH
Refurbishment of existing WCs on the fourth floor, and introduction of additional accessible/ unisex facilities.
-
24/01057/LBC Withdrawn
Snow Hill Police Station 5 Snow Hill London EC1A 2DP
Installation of 2x lanterns with hub branding and one internally illuminated sign.
-
26/01485/LBC Awaiting decision
609 Seddon House Barbican London EC2Y 8BX
Internal alterations comprising the demolition of bedroom, bathroom and kitchen stud walls and doors; reconstruction of walls in a partially reconfigured manner; refurbishment works; and installation of suspended false ceiling in landing and kitchen areas.