Planning application
25/09293/LBC
National Portrait Gallery 2 St Martin's Place London WC2H 0HE
Proposal
Installation of air source heat pumps and associated roof level alterations and internal pipework.
As published by the council, reference 25/09293/LBC
Timeline
Dates from the published record
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23 Dec 2025
Received by Westminster
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14 Apr 2026
Decision issued: Application Permitted
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20 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About heritage and listed buildings applications
How this application type works
Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.
More on heritage and listed buildings applications in our guide
Nearby applications
Within 500 metres
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25/09292/FULL Granted
National Portrait Gallery 2 St Martin's Place London WC2H 0HE
Installation of air source heat pumps and associated roof level alterations.
-
26/03245/CLLB Awaiting decision
National Portrait Gallery 2 St Martin's Place London WC2H 0HE
Erection of temporary scaffold within loading bay to deliver the proposals permitted under 25/09292/FULL and 25/09293/LBC.
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25/09262/ADFULL Granted
National Portrait Gallery 2 St Martin's Place London WC2H 0HE
Details of photographic sample/s of new stonework for: (a) the new sections of plinth, and (b) indent repairs, which show the proposed type, colour and texture of the proposed stonework and demonstrate it matches the existing stone pursuant to Condition 4 of the planning permission dated 11 November 2025 (25/04255/FULL).
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25/09218/ADLBC Granted
National Portrait Gallery 2 St Martin's Place London WC2H 0HE
Details of photographic sample/s of new stonework for: (a) the new sections of plinth, and (b) indent repairs, which show the proposed type, colour and texture of the proposed stonework and demonstrate it matches the existing stone and a conservation method statement for ironwork repairs/repainting and adaptation including measures to remove it, transport it, secure it during off-site repair, the location/s for off-site repair and storage and contact details for responsible persons pursuant to Conditions 3 and 4 of the listed building consent dated 11 November 2025 (25/04256/LBC).
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26/02784/LBC Awaiting decision
The National Gallery Trafalgar Square London WC2N 5DN
Replacement of existing external entrance doors at the St Martins Wing and Portico entrances of The National Gallery. (Linked to 26/02783/FULL)
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26/01120/ADFULL Awaiting decision
The National Gallery Trafalgar Square London WC2N 5DN
Details of written scheme of investigation addendum for Phase 2, archaeological investigations pursuant to Condition 12 of planning permission dated 19th December 2022 (22/04894/FULL)
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26/04995/LBC Awaiting decision
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Erection of rear conservatory extensions and an entrance loggia to side with roof terrace above, together with associated landscaping and alterations. (Linked with 26/04994/FULL)