Planning application
25/09292/FULL
National Portrait Gallery 2 St Martin's Place London WC2H 0HE
Proposal
Installation of air source heat pumps and associated roof level alterations.
As published by the council, reference 25/09292/FULL
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 full applications applications
How this application type works
A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.
Nearby applications
Within 500 metres
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25/09293/LBC Granted
National Portrait Gallery 2 St Martin's Place London WC2H 0HE
Installation of air source heat pumps and associated roof level alterations and internal pipework.
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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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26/01120/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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26/02488/NMA Awaiting decision
The National Gallery Trafalgar Square London WC2N 5DN
Amendments to planning permission dated 19th December 2022 (RN:22/04894/FULL) for Remodelling of external gates, replacement glazing and adaption and enclosure of the loggia of the Sainsbury Wing. External alterations to the Wilkins Building, including alterations and part removal of railings, lawn and wall, with new entrance on Trafalgar Square to the Research Centre and Members Room. New basement link under Jubilee Walk, including excavation. Public realm works to the north of Trafalgar Square and Jubilee Walk, including new paving, benches, bollards and planting. New window and external alterations to Pigott Education Centre on Orange Street. Namely, relating to internal changes in the Wilkins building, access improvements, minor changes to layout, fire safety works; amends to means and doors and floors; most internal and some external including plant and lightwells; CCTV and refurbishment of windows.
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Details of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to condition 5 of planning permission dated 18th November 2025 (RN:25/06159).
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26/04989/FULL Awaiting decision
1 Kildare Terrace London W2 5JT
Erection of a mansard roof extending over the main house and side wing, replacement lower ground rear extension with roof terrace above, lowering of lower ground floor slab, installation of an air source heat pump in rear garden, new front boundary treatment, and new second floor window on the north elevation.
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26/04986/FULL Awaiting decision
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Replacement of combustible materials in the render facades; timber decking and plastic soffits/ fascias to terraces with non-combustible materials on the 5th and 6th floors.