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Planning application

Lord Mayors Residence The Mansion House Mansion House Street London EC4N 8BH

Granted City of London 25/01206/LBC Listed Building Consent

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Installation of Air Source Heat Pumps and Photovoltaic panels at roof level and associated infrastructure and works.

As published by the council, reference 25/01206/LBC

Application record

Reference
25/01206/LBC
Type
Listed Building Consent
Status
Decided
Decision
Granted As published: Approved
Received
2 Sep 2025
Validated
2 Sep 2025
Decided
13 Apr 2026
Ward
Walbrook
Decision by
Delegated
Postcode
EC4N 8BH

Site history

Applications at this address on the City of London register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • 25/01205/FULL Granted

    Lord Mayors Residence The Mansion House Mansion House Street London EC4N 8BH

    Installation of Air Source Heat Pumps and Photovoltaic panels at roof level and associated infrastructure and works.

    Decided 13 Apr 2026 Full applications

Timeline

Dates from the published record

  1. 2 Sep 2025

    Received by City of London

  2. 13 Apr 2026

    Decision issued: Approved

  3. 24 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • Application: 25/01205/FULL (Decided)

Documents

Plans, drawings, consultee responses and the officer's report

37 documents on file for this application

  • LISTED BUILDING CONSENT (CONDITIONAL) Decision · 13 Apr 2026
  • HANDLING NOTE Other · 09 Apr 2026
  • COMMENTS - HISTORIC ENGLAND Consultee Comment · 08 Apr 2026
  • COMMENTS - HISTORIC ENGLAND (1) Consultee Comment · 30 Mar 2026
  • COMMENTS - HISTORIC ENGLAND (2) Consultee Comment · 30 Mar 2026
  • COMMENTS - HISTORIC ENGLAND (2) Consultee Comment · 29 Mar 2026
  • COMMENTS - HISTORIC ENGLAND (1) Consultee Comment · 29 Mar 2026
  • AMENDMENTS COVER LETTER Accompanying letters · 09 Mar 2026
  • HERITAGE STATEMENT Report - Listed Building Statement/Report · 09 Mar 2026
  • PLAN VIEW. PLANNING Drawing · 09 Mar 2026
  • PROPOSED FOURTH FLOOR PLAN Drawing · 09 Mar 2026
  • PROPOSED THIRD FLOOR PLAN Drawing · 09 Mar 2026
  • PROPOSED SECOND FLOOR PLAN Drawing · 09 Mar 2026
  • PROPOSED PRINCIPAL FLOOR PLAN Drawing · 09 Mar 2026
  • PROPOSED GROUND FLOOR PLAN Drawing · 09 Mar 2026
  • PROPOSED ELEVATION VIEW Drawing · 09 Mar 2026
  • PLANT NOISE ASSESSMENT Report - Acoustic/Noise Report · 09 Mar 2026
  • COMMENTS - HISTORIC ENGLAND Consultee Comment · 05 Nov 2025
  • COMMENTS - HISTORIC ENGLAND Consultee Comment · 24 Oct 2025
  • APPLICATIONFORMREDACTED Application Form · 02 Sep 2025
  • LOCATIONPLAN Site Plan · 02 Sep 2025
  • MANSION HOUSE - DESIGN AND ACCESS STATEMENT - COMBINED_PART_1 Report - Design & Access Statement/Report · 02 Sep 2025
  • MANSION HOUSE - DESIGN AND ACCESS STATEMENT - COMBINED_PART_2 Report - Design & Access Statement/Report · 02 Sep 2025
  • MANSION HOUSE - DESIGN AND ACCESS STATEMENT - COMBINED_PART_3 Report - Design & Access Statement/Report · 02 Sep 2025
  • MANSION HOUSE - DESIGN AND ACCESS STATEMENT - COMBINED_PART_4 Report - Design & Access Statement/Report · 02 Sep 2025
  • PROPOSED GROUND FLOOR PLAN Drawing · 02 Sep 2025
  • PROPOSED PRINCIPAL FLOOR PLAN Drawing · 02 Sep 2025
  • PROPOSED SECOND FLOOR PLAN Drawing · 02 Sep 2025
  • EXISTING PLAN VIEW PLANNING APPLICATION DRAWING Drawing · 02 Sep 2025
  • PROPOSED PLAN VIEW PLANNING APPLICATION DRAWING Drawing · 02 Sep 2025
  • EXISTING ELEVATION VIEW PLANNING APPLICATION DRAWING Drawing · 02 Sep 2025
  • PROPOSED ELEVATION VIEW PLANNING APPLICATION DRAWING Drawing · 02 Sep 2025
  • HERITAGE STATEMENT_MANSION HOUSE_SUSTAINABLE ENERGY EQUIPMENT Accompanying report · 02 Sep 2025
  • MANSION HOUSE ASHP PV COVER LETTER 010925 Cover Letter · 02 Sep 2025
  • PROPOSED THIRD FLOOR PLAN Drawing · 02 Sep 2025
  • PROPOSED FOURTH FLOOR PLAN Drawing · 02 Sep 2025
  • PROPOSED BASEMENT FLOOR PLAN Drawing · 02 Sep 2025

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Open the documents

What this grant of permission means

City of London granted permission on 13 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • Lord Mayors Residence The Mansion House Mansion House Street London EC4N 8BH

    25/01205/FULL Submitted 2 Sep 2025 50 yards away

    Installation of Air Source Heat Pumps and Photovoltaic panels at roof level and associated infrastructure and works.

    Granted Full applications 2 docs
  • The Mansion House Mansion House Street London EC4N 8BH

    24/00947/LBC Submitted 30 Aug 2024 50 yards away

    Proposed installation of Quattro Seal draughtproofing treatment to windows at The Mansion House.

    Granted Heritage and listed buildings Windows or glazing 21 docs
  • The Mansion House Mansion House Street London EC4N 8BH

    19/01257/MDC Submitted 4 Dec 2019 50 yards away

    Details of the final colour finish for static dome, fully functional dome camera and ANPR camera and details of containment and cables to all cameras including routes and colour finish pursuant to conditions 2 (a) and (b) of planning permission dated 25th July 2019 (19/00182/FULL).

    Granted Conditions 6 docs
  • The Mansion House Mansion House Street London EC4N 8BH

    19/01256/LDC Submitted 4 Dec 2019 50 yards away

    Details of the final colour finish for static dome, fully functional dome camera and ANPR camera and details of containment and cables to all cameras including routes and colour finish pursuant to conditions 2 (a) and (b) of listed building consent dated 25th July 2019 (19/00183/LBC).

    Granted Lawful development 6 docs
  • The Mansion House Mansion House Street London EC4N 8BH

    23/00909/LBC Submitted 17 Aug 2023 50 yards away

    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.

    Granted Heritage and listed buildings Windows or glazing 12 docs
  • The Mansion House Mansion House Street London EC4N 8BH

    23/01133/FULL Submitted 16 Oct 2023 50 yards away

    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.

    Granted Full applications Windows or glazing 10 docs

In City of London

  • 26/01084/LBC Granted

    Chapter House St Paul's Churchyard London EC4M 8AD

    Alterations to undercroft of St Paul's Cathedral and minor alterations to Chapter House including (i) Installation of a new passenger lift and associated raised platform within the external contemporary undercroft of St Paul's Cathedral to provide step-free access between the Chapter House and the undercroft (ii) extension of the existing step at the eastern exit of the Chapter House following partial demolition of existing external staircase, landing, and railings to provide level access and replacement of existing security gate (iii) raising the floor level and removal of associated stairs at below-ground level and installation of external, open platform lift in undercroft (No other works to the Cathedral or wider undercroft).

    Received 29 Jul, published by the council 19 Aug 2026 Heritage and listed buildings
  • 24/00563/LBC Granted

    6-7 New Street London EC2M 4TP

    External alterations to windows on rear elevation of number 7 and mansard roof of number 6 and internal alterations in association with conversion of two dwelling houses into eight studio flats and one two bedroom flat.

    Received 28 May, published by the council 30 Oct 2026 Heritage and listed buildings
  • 26/01174/LBC Granted

    Central Criminal Court Old Bailey London EC4M 7EH

    Refurbishment of existing WCs on the fourth floor, and introduction of additional accessible/ unisex facilities.

    Received 14 Aug, published by the council 8 Sep 2026 Heritage and listed buildings
  • 24/01057/LBC Withdrawn

    Snow Hill Police Station 5 Snow Hill London EC1A 2DP

    Installation of 2x lanterns with hub branding and one internally illuminated sign.

    Received 2 Oct, published by the council 21 Oct 2026 Heritage and listed buildings
  • 26/01485/LBC Awaiting decision

    609 Seddon House Barbican London EC2Y 8BX

    Internal alterations comprising the demolition of bedroom, bathroom and kitchen stud walls and doors; reconstruction of walls in a partially reconfigured manner; refurbishment works; and installation of suspended false ceiling in landing and kitchen areas.

    Received 20 Oct, published by the council 26 Oct 2026 Heritage and listed buildings