Planning application
26/03217/LBC
Radiant House 36 - 38 Mortimer Street London W1W 7RG
Proposal
Replacement of three air conditioning condensers and installation of four additional air conditioning condensors in rear external stairwell at basement and ground floor levels. (Linked to 26/03105/FULL)
As published by the council, reference 26/03217/LBC
Timeline
Dates from the published record
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15 May 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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26/03105/FULL Awaiting decision
Radiant House 36 - 38 Mortimer Street London W1W 7RG
Replacement of three air conditioning condensers and installation of four additional air conditioning condensors in the rear external stairwell at basement and ground floor levels. (Linked to 26/03217/LBC)
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26/03888/FULL Awaiting decision
Basement And Ground Floor 42 - 44 Great Titchfield Street London W1W 7PY
Minor alterations to the ground floor frontage of 42 - 44 Great Titchfield Street associated with the introduction of a new food and beverage (F&B) occupier. The works are limited to the front elevation and include repainting of the existing frontage from black to cream, installation of two branded entrance canopies over the glazed openings, branding/manifestation to the entrance door, installation of one wall-mounted framed A4 display menu, and one internally illuminated projecting flag sign.
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26/03889/ADV Awaiting decision
Basement And Ground Floor 42 - 44 Great Titchfield Street London W1W 7PY
Display of non illuminated other sign measuring 1m X 3.265m, 1m X 3.265m, 0.1m X 0.3m and internally illuminated projecting sign measuring 0.54m X 0.55m
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26/04719/FULL Awaiting decision
30 - 32 Mortimer Street London W1W 7RE
Variation of Conditions 1 and 6 of planning permission dated 20 February 2025 (RN: 24/09057/FULL) for, 'Installation of replacement facades on the Mortimer Street and Wells Street frontages; redecoration of brick facades; installation of replacement double glazed windows; creation of new windows in the western facing party wall; replacement of an existing gate with a brick wall with access doors on Bywell Place; installation of new balconies at first, second and third floor levels'; NAMELY, to allow amendments to the facade design, introduction of an entrance canopy to the Well Street facade and Mortimer Street facade, and changes to the approved brickwork render colour. (Application under Section 73 of the Act).
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08/04989/FULL Granted
46 Mortimer Street London W1W 7RL
Installation of new shopfront
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26/03174/FULL Awaiting decision
Flat 11 Furnival Mansions Wells Street London W1T 3PL
Replacement of existing windows with like-for-like painted timber framed windows.
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)