Planning application
1 Great St Helen's London EC3A 6AP
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Installation of replacement ventilation and condenser plant, including associated ductwork and servicing infrastructure, at ground, first and eleventh floor levels.
As published by the council, reference 26/00839/FULL
Application record
- Reference
- 26/00839/FULL
- Type
- Full Planning Permission
- Status
- Under Consideration
- Received
- 9 Jun 2026
- Validated
- 9 Jun 2026
- Ward
- Lime Street
- Decision by
- Delegated
- Postcode
- EC3A 6AP
Site history
Applications at this address on the City of London register
This site has had 6 applications since 2022: 5 approved, 0 refused.
-
24/01022/MDC Granted
1 Great St Helen's London EC3A 6AP
Submission of (a) Details of all new facades to include fenestration, entrances, soffits, balustrades, solar shading, screening/plant enclosure, external surfaces within the site; (b) Details of all new materials and sample panel photographed on site to demonstrate that materials match where this is the intention; and (c) Details of all landscaping and green roofs pursuant to condition 5 of planning permission 21/01067/FULL dated 01/03/2022.
-
24/00065/ADVT Granted
1 Great St Helen's London EC3A 6AP
Installation and display of one non-illuminated hoarding advertisement measuring 2.39m high, 57 metres wide, situated at ground floor level, associated with the development of the site, for a temporary period until 31 August 2025.
-
23/00378/MDC Granted
1 Great St Helen's London EC3A 6AP
Submission of details of a Construction Logistics Plan pursuant to Conditions 3 of planning permission dated 01/03/2022 (ref: 21/01067/FULL)
-
23/00341/MDC Granted
1 Great St Helen's London EC3A 6AP
Submission of a Deconstruction Logistics Plan pursuant to Conditions 2 of planning permission dated 01/03/2022 (ref. 21/01067/FULL)
-
22/00789/MDC Granted
1 Great St Helen's London EC3A 6AP
Submission of a Plant Noise Impact Assessment pursuant to condition 7 of planning permission 21/01067/FULL dated 01 March 2022.
Timeline
Dates from the published record
-
9 Jun 2026
Received by City of London
-
24 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 4 August 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 85 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Monmouth Planning Ltd Agent, a planning consultancy registered in London
Active · incorporated 2014 · London
83 applications on PlanIndex · across 10 councils · 88% 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 recordDocuments
Plans, drawings, consultee responses and the officer's report
15 documents on file for this application
- COMMENTS - HISTORIC ENGLAND
- LOCATIONPLAN
- PROPOSED MECHANICAL SERVICES FIRST FLOOR VENTILIATION LAYOUT
- ROOF LEVEL EXISTING MECHANICAL SERVICES
- ROOF LEVEL PROPOSED MECHANICAL SERVICES
- CIL FORM
- COVER LETTER
- ACOUSTIC PLANNING REPORT
- APPLICATIONFORMREDACTED
- EXTERNAL ELEVATIONS EXISTING AND PROPOSED
- PROPOSED MECHANICAL SERVICES GROUND FLOOR VENTILIATION LAYOUT
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 full applications in a median of 125 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
1 Great St Helen's London EC3A 6AP
Submission of a Plant Noise Impact Assessment pursuant to condition 7 of planning permission 21/01067/FULL dated 01 March 2022.
Granted Conditions 5 docs -
1 Great St Helen's London EC3A 6AP
Submission of (a) Details of all new facades to include fenestration, entrances, soffits, balustrades, solar shading, screening/plant enclosure, external surfaces within the site; (b) Details of all new materials and sample panel photographed on site to demonstrate that materials match where this is the intention; and (c) Details of all landscaping and green roofs pursuant to condition 5 of planning permission 21/01067/FULL dated 01/03/2022.
Granted Conditions Windows or glazing 17 docs -
1 Great St Helen's London EC3A 6AP
Submission of a Deconstruction Logistics Plan pursuant to Conditions 2 of planning permission dated 01/03/2022 (ref. 21/01067/FULL)
Granted Conditions 23 docs -
1 Great St Helen's London EC3A 6AP
Submission of details of a Construction Logistics Plan pursuant to Conditions 3 of planning permission dated 01/03/2022 (ref: 21/01067/FULL)
Granted Conditions 24 docs -
1 Great St Helen's London EC3A 6AP
Installation and display of one non-illuminated hoarding advertisement measuring 2.39m high, 57 metres wide, situated at ground floor level, associated with the development of the site, for a temporary period until 31 August 2025.
Granted Advertising 9 docs -
O/S 1 Undershaft London EC3P 3DQ
Temporary installation of two sculptures for a period of up to 24 months, as part of the 10th edition of Sculpture in the City, to be taken down on or before 29 May 2023: Harlequin Four by Mark Handforth and Cosmos by Eva Rothschild.
Granted Full applications 12 docs
Other full applications
In City of London
-
24/00544/FULL Granted
6 -7 New Street London EC2M 4TP
Conversion of two dwelling houses into eight studio flats and one two bedroom flat (ii) external alterations to windows on rear elevation of number 7 and mansard roof of number 6.
-
26/00858/FULL Granted
Condor House 10 St Paul's Churchyard London EC4M 8AL
Replacement of existing vertical sash window frames and glazing on north, east and northwestern facades with fixed glazing units.
-
26/01104/FULL Granted
30 - 34 Moorgate London EC2R 6DA
Refurbishment and alterations comprising, (i) alterations to plant equipment at roof level, (ii) installation of CCTV cameras, (iii) alterations to ground floor entrances, and (iv) removal of 2no. ground floor doors and installation of glazing, and associated works.
-
26/00828/FULL Withdrawn
88 Wood Street London EC2V 7DA
Installation of a structure affixed to the existing south elevation at Level 12 roof terrace to provide a frame and enclosure for the installation of an LED screen and associated speakers.
-
26/00200/FULL Granted
East India Arms Public House 67 Fenchurch Street London EC3M 4BR
Installation of 1no. external lantern and 3no. external trough lights.