The Mansion House Mansion House Street London EC4N 8BH

23/00909/LBCListed Building ConsentApproved

Approved on 12 December 2023

Delegated (officer decision)

Approximate site (title boundary)

Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Installation of replacement lighting in the form of two (2) sets of three (3) external LED floodlights to illuminate the stained glass windows on the Eastern and Western faces of the Egyptian Hall.

Received: 17 August 2023
Decision level: Delegated (officer decision)
Public comments: 1
Council: City of London Corporation
Ward: Walbrook

ReceivedReceived17 Aug
ValidatedValidated18 Aug
Consult.Consultation28 Sep
TargetTarget Date13 Oct
DecidedDecided12 Dec

Decided in 116 days (council typically 77)

About this application

This is a heritage application for window replacement at The Mansion House Mansion House Street London EC4N 8BH. City of London has handled 859 applications of this type. This one was decided in 117 days, 6 weeks longer than City of London's typical decision time. The site is in 4 listed buildings nearby. There have been 3 other applications at this address. In the past year there have been 23 applications across Walbrook. We hold 151 applications in total for the EC4N postcode area.

100% of heritage applications at City of London Corporation were approved. Across all application types, the council typically decides in about 11 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode: EC4N 8BH
Application type: Listed Building Consent
Scale / size: Small

Planning application dates

Date validated: 18 August 2023
Consultation expiry: 3 October 2023
Consultation start: 31 August 2023
Consultation end: 28 September 2023
Neighbour consultation start: 31 August 2023
Neighbour consultation end: 21 September 2023
Last date for comments: 3 October 2023
Target decision date: 13 October 2023
Committee meeting: 12 December 2023
Permission expires: 12 December 2026

Applicant and agent

Agent: City of London
Agent address: Attn: Mr Nick Williamson 71 Basinghall St, London EC2V 7HH United Kingdom

Planning decision

Statutory period: 56 days

Publicity

Last advertised: 12 September 2023
Advertisement expiry: 3 October 2023
Site notice start: 31 August 2023
Site notice end: 21 September 2023

Appeal history

3334802

Dismissed

Type: Listed Building Consent & Conservation Area Consent AppealProcedure: Written RepresentationsDecision: 9 August 2024Dev Type: Householder developmentsReason: Refusal

Additional information

Planning Portal ID: PP-12395673
Documents: 12

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Bank
Listed building: Grade I: Mansion HouseOn this site · +4 more
Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.

Also checked, none recorded (20)

flood storage areas, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

Planning history at this site

7 other applications at this property, newest first.

Source: City of London

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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