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

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

  Submitted 26 Aug 2026 Heritage and listed buildings
• 26/00109/NMA Withdrawn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
• 25/01703/LBC Awaiting decision

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

  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

  Submitted 4 Dec 2025 Heritage and listed buildings
• 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
• 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.

  Decided 29 Jul 2024 Heritage and listed buildings
• 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.

  Decided 16 Apr 2024 Heritage and listed buildings
• 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.

  Decided 26 Feb 2024 Advertising
• 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

1. 6 Aug 2026

   Received by City of London

2. 18 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 1 October 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.

• 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

This application is with City of London for determination, against a statutory target of eight weeks. Over the last year City of London decided amendment applications in a median of 73 days. More in our guide to how long planning decisions take.

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

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

  26/00109/NMA Submitted 26 Jan 2026 50 yards away

  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.

  Withdrawn Amendments 7 docs

• Offices 131 - 133 Cannon Street London EC4N 5AX

  26/00408/FULL Submitted 20 Mar 2026 50 yards away

  Change of use of the basement and first to fifth floors of this building from office to an apart-hotel (Use Class C1) along with minor changes to access at ground floor level to accommodate bin storage, servicing and fire safety and M&E plant at 6th floor and roof void levels.

  Granted Full applications 33 docs

• Offices 131 - 133 Cannon Street London EC4N 5AX

  26/01293/MDC Submitted 16 Sep 2026 50 yards away

  99% historically approved · decision due ~11 Nov

  Submission of Construction Environmental Management Plan, Design Load Assessment Report, Construction Machinery Inventory, Highway Condition Survey and Construction Logistics Plan pursuant to Conditions 2, 3, 5 and 6 of 26/00408/FULL dated 10.07.2026.

  Awaiting decision

• 131 - 133 Cannon Street London EC4N 5AX

  23/00509/FULL Submitted 11 May 2023 50 yards away

  Change of use from Class E at basement and ground floor to cafe/bar Class E(b) and from office Class E(gi) to residential C3 at first to fifth floor for 1 x studio flat and 2 x maisonette flats with shared amenity space at sixth floor, external alterations, cycle store, refuse storage, plant room and other works associated with the proposed development.

  Refused Full applications New dwelling 43 docs

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

  24/00457/LBC Submitted 7 May 2024 50 yards away

  Minor interior works installing a cafe fit out, replacement of signage and repainting of shop front.

  Granted Heritage and listed buildings Windows or glazing 8 docs

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

  23/01398/ADVT Submitted 20 Dec 2023 50 yards away

  Replacement projecting signage panel (600mm x 600mm) with LED through lights.

  Granted Advertising 6 docs

• 26/01017/NMA Granted

  Millennium Bridge House 2 Lambeth Hill London EC4V 4AG

  Non-material amendment under Section 96a of the Town and Country Planning Act 1990 to planning permission 22/00970/FULMAJ dated 05 September 2024; namely; enlarged louvre bank, relocated access door, and alterations to riser access, all to High Timber Street elevation.

  Received 17 Jul, published by the council 9 Aug 2026 Amendments
• 26/01355/NMA Granted

  St Paul's House 8 - 12 Warwick Lane London EC4M 7BP

  Non-Material Amendment under Section 96a of the Town and Country Planning Act (1990) (as amended) to planning permission Ref. 25/01203/FULL dated 13 February 2026 in relation to condition 6 (part c) (design details) and condition 15 (approved plans) to alter the balustrade design at the level 6.

  Received 28 Sep, published by the council 7 Oct 2026 Amendments
• 26/01071/NMA Granted

  81 Newgate Street London EC1A 7HQ

  Non-Material Amendment under Section 96a of the Town and Country Planning Act (1990) (as amended) to planning permission Ref. 23/00752/FULMAJ (as amended) dated 12 September 2023 to amend condition 57 (approved plans) to allow for the installation of 1no. terrace access door at level 11 and 6no. service penetrations within the existing louvred façade panel on the west elevation.

  Received 28 Jul, published by the council 28 Aug 2026 Amendments
• 26/01463/NMA Awaiting decision

  90 Liverpool Street London EC2M 2AT

  Application for non-material amendments under S96A of the Town and Country Planning Act 1990 (as amended) to amend Condition 2 (Tables and chairs removal), pursuant to planning permission ref. 26/00292/FULL (dated 29.09.2026) for external seating area to be vacated and not in use from 2230hrs to 0900hrs daily and the furniture to be brought inside for storage once principal leisure venue closes at 0130hrs.

  Received 15 Oct, published by the council 23 Oct 2026 Amendments
• 26/00861/NMA Granted

  Thavies Inn House 3 - 4 Holborn Circus London EC1N 2HA

  Application for non-material amendment under S96A of the Town and Country Planning Act 1990 (as amended) to amend condition 53 (Approved drawings) of planning permission no. 24/00688/FULL to make the following amendments: 1. Adjustment of the south boundary wall by approximately 400mm to the south 2. Relocate the UKPN substation from the basement to the ground floor, with associated reconfiguration of back-of-house accommodation, servicing, cycle parking and reception areas 3. Make minor amendments to the external elevations and pedestrian alleyways, including revisions to facade treatments, entrances, louvres, access doors, balustrades and associated architectural detailing. 4. Amend the roof terrace and plant enclosure design, including updates to balustrades, screening, louvres and plant structures, together with an increase in photovoltaic panel provision from approximately 170 sqm to 300 sqmn and amend the wording of Condition 39 (combustion flues).

  Received 15 Jun, published by the council 24 Jul 2026 Amendments