Planning application
Lord Mayors Residence The Mansion House Mansion House Street London EC4N 8BH
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 25/01205/FULL
Application record
- Reference
- 25/01205/FULL
- Type
- Full Planning Permission
- Status
- Decided
- Decision
- Granted As published: Approved
- Received
- 2 Sep 2025
- Validated
- 2 Sep 2025
- Decided
- 13 Apr 2026
- Ward
- Walbrook
- Decision by
- Delegated Decision
- 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.
-
25/01206/LBC 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.
Timeline
Dates from the published record
-
2 Sep 2025
Received by City of London
-
13 Apr 2026
Decision issued: Approved
-
24 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
36 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat 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 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
-
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.
Granted Heritage and listed buildings 38 docs -
The Mansion House Mansion House Street London EC4N 8BH
Proposed installation of Quattro Seal draughtproofing treatment to windows at The Mansion House.
Granted Heritage and listed buildings Windows or glazing 22 docs -
1 Lombard Street London EC3V 9AA
Internal alterations at basement and ground floor level in association with existing restaurant.
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Scottish Provident Building 1 - 6 Lombard Street London EC3V 9AA
98% historically approved · decision due ~5 Dec
The installation of external lighting
Decided Full applications 14 docs -
Scottish Provident Building 1 - 6 Lombard Street London EC3V 9AA
99% historically approved · decision due ~5 Dec
The installation and display of: (i) 1x externally illuminated projecting sign measuring 0.93m in width, 0.415m high and at height of 2.75m above ground level; (ii) 1x non-illuminated fascia sign measuring 1.560m in width, 0.280m high and at a height of 4.080m above ground level; (iii) 1x non-illuminated fascia sign measuring 2.685m in width, 0.6m high and at a height of 3.82m above ground level; (iv) 1x internally illuminated menu box measuring 0.42m in width, 0.64m high and at a height of 1.425m above ground level; (v) 1x non-illuminated Edmondo brass plaque measuring 0.395m in width, 0.23m high, and at a height of 1.27m above ground level; and (vi) 1x non-illuminated No. 6 brass plaque measuring 0.395m in width, 0.23m high and at a height of 1.27m above ground level.
Decided 13 docs -
Scottish Provident Building 1 - 6 Lombard Street London EC3V 9AA
100% historically approved · decision due ~5 Dec
External alterations comprising of (i) the installation of signage; (ii) the installation of lighting; (iii) the installation of plaques; (iv) the removal of existing signage; (v) the removal of existing shutters; and (vi) the painting of existing window frames, planters, railings, and entrance gates.
Decided Heritage and listed buildings Windows or glazing 12 docs
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