Planning application
26/02822/LBC
Flat 1 23 Eaton Place London SW1X 8BP
Proposal
Erection of single-story rear extension and associated works.
As published by the council, reference 26/02822/LBC
Timeline
Dates from the published record
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29 Apr 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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26/02821/FULL Awaiting decision
Flat 1 23 Eaton Place London SW1X 8BP
Erection of single-story rear extension and associated works.
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26/04818/CLLB Awaiting decision
21 Eaton Place London SW1X 8BP
Like for like remedial after exposure works.
-
25/06595/LBC Granted
Basement And Ground Floor Maisonette 21 Eaton Place London SW1X 8BP
Internal alterations at lower ground floor level, including installation of damp proofing and secondary glazing to front windows.
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26/00152/LBC Refused
Basement And Ground Floor Maisonette 21 Eaton Place London SW1X 8BP
Replacement of external door at Lower Ground Floor level and installation of external security gate in front.
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25/08400/ADFULL Awaiting decision
34 Belgrave Mews South London SW1X 8BT
Details of a validation report pursuant to condition 5 (4) of planning permission dated 8th February 2024 (RN:23/08449/FULL)
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26/00644/NMA Awaiting decision
1 - 3 Belgrave Mews South London SW1X 8BT
Amendments to planning permission dated 27 August 2024 (RN:24/03215/FULL) for demolition behind retained front facade and construction of replacement house including replacement rear extension and terrace at lower height with new shallow balcony at second floor level; replacement of the fenestration and the roof of the existing mansard to include inset PV panels and an enclosed plant deck; and reposition front door with shallower porch. namely, amendment to front door and garage door to the front elevation at ground floor level.
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)