1 Great St Helen's London EC3A 6AP Data via plota.co.uk
26/00839/FULL - Full Planning Permission
Under Consideration
Proposal
Installation of replacement ventilation and condenser plant, including associated ductwork and servicing infrastructure, at ground, first and eleventh floor levels. Data via plota.co.uk
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Application progress
✓
Received
9 Jun 2026
✓
Consultation
18 Jun 2026
Decision
Awaiting decision
This application is under consideration - no decision has been issued yet. Comments are open until 16 Jul 2026.
Comment on this application ↗Documents 11
Statements & assessments 1
Plans & drawings 5
PDF
LOCATIONPLAN
Site Plan · 9 Jun 2026
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PDF
PROPOSED MECHANICAL SERVICES FIRST FLOOR VENTILIATION LAYOUT
Drawing · 9 Jun 2026
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PDF
ROOF LEVEL EXISTING MECHANICAL SERVICES
Drawing · 9 Jun 2026
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PDF
EXTERNAL ELEVATIONS EXISTING AND PROPOSED
Drawing · 9 Jun 2026
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PDF
PROPOSED MECHANICAL SERVICES GROUND FLOOR VENTILIATION LAYOUT
Drawing · 9 Jun 2026
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Application forms 2
Consultation & comments 1
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Important details
- Council
- City of London
- Application type
- Full Planning Permission
- Postcode
- EC3A 6AP
- Received
- 9 Jun 2026
- Validated
- 9 Jun 2026
- Ward
- Lime Street
- Case officer
- Track to view
- Target decision
- 4 Aug 2026
- Decision level
- Delegated
- Applicant
- Track to view
- Agent
- Monmouth Planning Ltd
Consultation & key dates
- Alt. reference
- PP-14954056
- Neighbours
- 29 Jun 2026
- Consultation
- 18 Jun 2026
- Comments by
- 16 Jul 2026
- Site notice
- 26 Jun 2026
- Press notice
- 30 Jun 2026
- Env. assessment
- No
Historical activity at this location
38 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
2025
Withdrawn
Temporary installation of a sculpture for a period of up to 24 months, as part of the 14t…
2025
Approved
Submission of plant mounting details pursuant to Condition 8 of planning permission 21/01…
2025
Non-material amendment under Section 96A of the Town and Country Planning Act 1990 (as am…
2024
Approved
Submission of (a) Details of all new facades to include fenestration, entrances, soffits…
2024
Approved
Installation and display of one non-illuminated hoarding advertisement measuring 2.39m hi…
2023
Approved
Submission of a 'Noise, Vibration and Dust Mitigation Scheme (Construction Phase)' pursua…
2023
Submission of details of a Construction Logistics Plan pursuant to Conditions 3 of planni…
2023
Submission of a Deconstruction Logistics Plan pursuant to Conditions 2 of planning permis…
2022
Approved
Submission of a Plant Noise Impact Assessment pursuant to condition 7 of planning permiss…
2021
Approved
Removal of the existing plant room and construction of a single storey extension to provi…
2018
Approved
Details of method of cleaning of new facade and integration of cleaning equipment pursuan…
2017
Approved
Submission of details relating to the drainage of surface water from the facade pursuant…
2017
Approved
Application under S73 of the Town and Country Planning Act 1990 (as amended) to delete co…
Within ~100m
Nearby activity
2025
Approved
Hasilwood House 60 - 64 Bishopsgate London EC2N 4AW
Façade cleaning to the Portland Stone and Granite of the Bishopsgate facade and tunnel of…
2025
13 Bishopsgate London EC2N 3BA
Submission of details pursuant to conditions 3(a) and 4 (masonry and window cleaning test…
2025
Approved
1 Undershaft London EC3A 8EE
Submission of the local training, skills and job brokerage strategy pursuant to remaining…
2024
Approved
1 Undershaft, London, EC3A 8EE
Observations to City of London in relation to application ref: 23/01423/FULEIA for: 'Demo…
2024
Approved
15 Bishopsgate London EC2N 3AR
Express consent for the display of four signs comprising of: (i) one non-illuminated fasc…
2024
Approved
1 Undershaft London EC3A 8EE
Demolition of the existing buildings, retention and partial expansion of existing basemen…
2024
Approved
13 Bishopsgate London EC2N 3BA
Masonry cleaning, masonry repairs, repairs and redecoration of metalwork, replacement of…
2024
Approved
1 Undershaft London EC3A 8EE
Observations requested by the City of London for demolition of the existing buildings, re…
2024
Approved
1 Undershaft City Of London London EC3A 8EE
RE-CONSULTATION Demolition of the existing buildings, retention and partial expansion of…
2024
1 Undershaft, London EC3A 8EE
Demolition of the existing buildings, retention and partial expansion of existing basemen…
2024
Hasilwood House 60 - 64 Bishopsgate London EC2N 4AW
Replacement of existing two windows at Level 6 with two French style doors providing acce…
2024
Hasilwood House 60 - 64 Bishopsgate London EC2N 4AW
Replacement of existing two windows at Level 6 with two French style doors providing acce…
2024
Approved
1 Undershaft London EC3A 8EE
Submission of highway schedule of condition survey pursuant to schedule 3, paragraph 9.1…
2024
Approved
1 Undershaft London EC3A 8EE
Submission of the local training, skills and job brokerage strategy pursuant to schedule…
2024
Approved
1 Undershaft London EC3A 8EE
Submission of Television Interference Survey pursuant to Schedule 3, Paragraph 16.1 of th…
2024
Approved
Pavement Outside 1 Great St Helen's London EC3A 6AP
Temporary installation of a sculpture - Book of Boredom, by Ida Ekblad - measuring 3.00m…
2022
Approved
55 Bishopsgate London EC2N 3AS
Demolition of the existing building and the erection of a part-63 storey (284.68 AOD) and…
2024
3 St Helen's Place London EC3A 6AB
Submission of the Travel Plan pursuant to Schedule 3 Paragraph 7.3 of the Section 106 Agr…
2024
Approved
1 Undershaft, London, EC3A 8EE
Observation requested by City of London for demolition of the existing buildings, retenti…
2024
Approved
1 Undershaft, London, EC3A 8EE
Observation requested by City of London for demolition of the existing buildings, retenti…
2018
Approved
Hasilwood House 60 - 62 Bishopsgate London EC2N 4AW
Internal and external alterations including (i) the removal of internal partitions and cr…
2018
Approved
Hasilwood House 60 - 62 Bishopsgate London EC2N 4AW
Change of use from office floorspace (Use Class B1) to sports facility (Use Class D2) of…
2018
Approved
Undershaft Land Adjoining 1 Great St Helen's London EC3A 6AT
Temporary installation of a sculpture, 'Numen (Shifting Votive Three)' by Thomas J Price…
2018
Approved
Adjacent To 1 Undershaft, London EC3P 3DQ
Temporary installation of a sculpture, 'Body, Guyancourt, October 2011' by Jean-Luc Moule…
2018
Approved
St Helen's Bishopsgate Great St Helen's London EC3A 6AT
Temporary installation of a sculpture 'Crocodylius Philodendrus' by Nancy Rubins for a pe…
City of London
Planning Authority Score
6.7/10
Good
#70 of 292 councils
Relevant to this application:
Householder decisions
City of London is one of the fastest councils in England for householder decisions, ranking #1 out of 292. The council extends the time limit on 84% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are more likely to be approved here than most councils, with a 100% approval rate vs 90% nationally.
Among the fastest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application.
View full council performance
City of London decision performance
Based on MHCLG data, 2025
96%
Overall approval rate
Above avg (87%) #9 of 292
100%
Householder approved
Above avg (90%) #1 of 292
100%
Decided in 8 weeks
Above avg (64%) #1 of 292
84%
Extended time limit
Above avg (40%) #292 of 292
50%
Minor dwellings approved
2 decided (1-9 homes)
89%
Change of use approved
19 decided
448
Total decisions
17 refused in 2025
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1 Great St Helen's London EC3A 6AP