Planning application
26/04136/LBC
The National Gallery Trafalgar Square London WC2N 5DN
Proposal
Installation of external condenser units within the western lightwell adjacent to Jubilee Walk at the National Gallery and associated works. (Linked to 26/04135/FULL)
As published by the council, reference 26/04136/LBC
Timeline
Dates from the published record
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23 Jun 2026
Received by Westminster
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21 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
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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26/04135/FULL Awaiting decision
The National Gallery Trafalgar Square London WC2N 5DN
Installation of external condenser units within the western lightwell adjacent to Jubilee Walk at the National Gallery and associated works. (Linked to 26/04136/LBC)
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26/02783/FULL 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 26/02784/LBC)
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26/03249/FULL Awaiting decision
The National Gallery Trafalgar Square London WC2N 5DN
Introduction of extract ventilation at high level within the clerestory, requiring adjustment of modern glazing, introduction of new plant in the rooftop R184 plant room and associated ductwork within the existing roof void, external wall insulation within the Orange Street loading bay to the north wall of Gallery 31, replacement of existing internal louvres with external solar shading fins, modifications and extension of the existing 1980s over-roof structure and replacement of the existing glazing in the over-roofs, replacement of existing lead walkway to perimeter of roofs with new roof membrane, new guarding at roof level, new external metal gantry at the north wall for access to plant equipment. (Linked to 26/03250/LBC)
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25/06611/FULL Granted
The National Gallery Trafalgar Square London WC2N 5DN
Installation of new ventilation plant on the second floor roof of the Conservation Studios at the National Gallery and associated works.
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25/06612/LBC Granted
The National Gallery Trafalgar Square London WC2N 5DN
Installation of new ventilation plant on the second floor roof of the Conservation Studios at the National Gallery and associated works.
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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)
Other heritage and listed buildings applications
In Westminster
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26/04984/LBC Awaiting decision
47G Randolph Avenue London W9 1BQ
Installation of replacement fire surround.
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26/04997/LBC Awaiting decision
Hanover Lodge Outer Circle Regent's Park London NW1 4HB
Erection of a morning room side extension. (Linked to 26/04996/FULL)
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26/04979/LBC Awaiting decision
12 Brewer Street London W1F 0SF
Internal alterations including removal of internal enclosures; Replacement flooring, shelving and slatwall systems, staircase handrail repair and other associated joinery works.
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26/04987/LBC Awaiting decision
Basement And Ground Floor 8 Ganton Street London W1F 7QL
Repainting of the existing timber shopfront, hand-painted fascia lettering, installation of a new hanging sign using the existing projecting sign bracket, and installation of a discreet fascia-mounted LED trough light.
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26/04995/LBC Awaiting decision
Hanover Lodge Outer Circle Regent's Park London NW1 4HB
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)