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
- Category
- Full applications
- 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 4 applications since 2023: 3 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.
-
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)
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 78 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
78 applications on PlanIndex · across 9 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 recordLandmark Space Ltd Applicant
1 application 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
11 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
Trade members open them 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 121 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 500 metres
-
35 Great St Helen's London EC3A 6AP
Submission of details pursuant to Conditions (2) and (3) in respect of Materials of planning permission 21/00559/FULL dated 12 October 2021.
Granted Conditions 20 docs -
35 Great St Helen's London EC3A 6AP
Details of fluted panel in accordance with condition 2 of planning permission dated 12/10/2021 (Registered plan no. 21/00559/FULL)
Granted Conditions 6 docs -
3 St Helen's Place London EC3A 6AB
Submission of the Interim Travel Plan pursuant to Schedule 3 Paragraph 7.1 of the Section 106 Agreement dated 08 October 2019 (Planning Application Reference 18/01336/FULMAJ).
Granted 5 docs -
3 St Helen's Place London EC3A 6AB
Submission of details of a plant acoustic/noise report pursuant to Condition 15 of planning permission dated 08.10.2019 (ref: 18/01336/FULMAJ).
Granted Conditions 5 docs -
3 St Helen's Place London EC3A 6AB
Submission of particulars and samples of materials; details of the proposed new facades and roof including typical details of the fenestration; a typical bay of the new rear wall; soffits, handrails and balustrades; all alterations to the existing facade; details of the integration of window cleaning equipment and other excrescences at roof level pursuant to conditions 11 (a) (in part); (b); (c); (e; (f) and (h) of planning permission dated 8th October 2019 (18/01336/FULMAJ).
Granted Conditions Windows or glazing 35 docs -
3 St Helen's Place London EC3A 6AB
Submission of details pursuant to Condition 14 (Air Quality) of planning permission dated 08.10.2019 (ref: 18/01336/FULMAJ).
Granted Conditions 5 docs
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