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Planning application

St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU

Awaiting decision City of London 25/01703/LBC Listed Building Consent

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 9 applications since 2022: 4 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

    Submitted 26 Aug 2026 Heritage and listed buildings
  • 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.

    Submitted 6 Aug 2026 Amendments
  • 26/00109/NMA Withdrawn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.

    Decided 15 Sep 2026 Amendments
  • 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).

    Submitted 7 Jan 2026 Advertising
  • 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.

    Decided 23 Dec 2024 Full applications
  • 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.

    Decided 23 Dec 2024 Heritage and listed buildings
  • 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.

    Decided 3 May 2023 Heritage and listed buildings
  • 22/01030/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 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.

    Decided 3 May 2023 Full applications

Timeline

Dates from the published record

  1. 4 Dec 2025

    Received by City of London

  2. 24 Jul 2026

    Added to PlanIndex

  3. 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 78 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

764 applications on PlanIndex · across 90 councils · 96% 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 record

Documents

Plans, drawings, consultee responses and the officer's report

17 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What 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 95 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 500 metres

  • St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU

    24/00995/FULL Submitted 12 Sep 2024 0m away

    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

    24/00996/LBC Submitted 12 Sep 2024 0m away

    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

    22/01031/LBC Submitted 26 Oct 2022 0m away

    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 docs
    Small domestic

  • St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU

    22/01030/FULL Submitted 26 Oct 2022 0m away

    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 docs
    Small domestic

  • St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU

    26/00024/ADVT Submitted 7 Jan 2026 0m away

    97% historically approved · decision due ~13 May

    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).

    Awaiting decision Advertising 6 docs

  • St Mary Abchurch House 123 - 127 Cannon Street London EC4N 5AU

    26/01134/NMA Submitted 6 Aug 2026 8m away

    100% historically approved · decision due ~1 Oct

    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.

    Awaiting decision Amendments 14 docs

In City of London

  • 26/00934/LBC Granted

    Adelaide House London Bridge London EC4R 9HA

    Internal alterations including the provision of a building management suite within the basement and a business lounge and meeting room suite at ground floor level.

    1 Jul 2026 Heritage and listed buildings
  • 26/00986/LBC Granted

    Kings College Maughan Library Chancery Lane London WC2A 1LR

    Installation of acoustic panels in 5no. teaching spaces.

    10 Jul 2026 Heritage and listed buildings
  • 26/00937/LBC Granted

    Retail Unit 85 Fleet Street London EC4Y 1AE

    Listed Building Consent (i) to drill a hole in brickwork to allow for fixing of external illumination and (ii) a power cable, utilising the existing bracket in connection with 26/00374/ADVT

    1 Jul 2026 Heritage and listed buildings
  • 26/00970/LBC Granted

    Ground Floor And Basement, 26 Throgmorton Street And 123 Old Broad Street, London EC2N 2AN

    External alterations to the building frontage and internal redecoration and refurbishment of ground floor and basement levels.

    8 Jul 2026 Heritage and listed buildings
  • 26/00697/LBC Granted

    Livery Hall Coopers Hall 13 Devonshire Square London EC2M 4TH

    Internal and external alterations including replacement of the boiler and installation of a new flue, window repairs, minor structural repairs to the slated roof and installation of a man safe system, brickwork repairs, removal of paint and DOFF cleaning to masonry.

    13 May 2026 Heritage and listed buildings