Planning application
25/05690/LBC
79 Eaton Terrace London SW1W 8TN
Proposal
Erection of a lower ground floor and ground floor rear extension. Alterations to windows on the rear elevation. Replacement of staircase and railings to front lightwell and installation of a rainwater downpipe to the front elevation. Internal alterations comprising of the lowering of the front vaults, alterations to the stairs including stair winders in some levels and the change of level of the non-original lower ground floor rear room and first and second floors on the closet wing, and installation of internal mechanical services.
As published by the council, reference 25/05690/LBC
Timeline
Dates from the published record
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13 Aug 2025
Received by Westminster
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11 Sep 2025
Validated
Checked as complete and ready for consideration.
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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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25/05689/FULL Awaiting decision
79 Eaton Terrace London SW1W 8TN
Erection of a lower ground floor and ground floor rear extension. Installation of new mechanical plant within an acoustic enclosure within the rear garden area and associated landscaping works. Alterations to windows on the rear elevation. Replacement of staircase and railings to front lightwell, alterations to front vaults and installation of a rainwater downpipe to the front elevation.
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26/00220/ADFULL Refused
79 Eaton Terrace London SW1W 8TN
Sample panel of brickwork, built on site, which shows the colour, texture, face bond and pointing pursuant to condition 4 of planning permission dated 8th April 2025 (RN 24/08694/FULL)
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26/03771/ADLBC Awaiting decision
79 Eaton Terrace London SW1W 8TN
Detailed drawings of a) new windows and doors to the rear lower ground and ground floor extensions; b) new rear dormer windows; c) new staircase; d) new cornicing and skirting; and e) internal doors pursuant to Condition 6 of listed building consent dated 23 March 2026 (RN: 25/05690/LBC) [Linked to 26/03720/ADFULL]
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26/03720/ADFULL Awaiting decision
79 Eaton Terrace London SW1W 8TN
Sample panel of brickwork, built on site, which shows the colour, texture, face bond and pointing; detailed drawings of a) new windows and doors to the rear lower ground and ground floor extensions; and b) new rear dormer windows; and detailed drawings of a hard and soft landscaping scheme which includes the number, size, species and position of trees and shrubs pursuant to Conditions 4, 7 and 15 of planning permission dated 23 March 2026 (RN: 25/05689/FULL) [Linked to 26/03771/ADLBC]
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26/00045/ADFULL Refused
79 Eaton Terrace London SW1W 8TN
Details of sample panel of brickwork held on site pursuant to condition 4 of planning permission dated 8th April 2025 (RN: 24/08694/FULL). Linked to 26/01343/ADLBC.
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26/01343/ADLBC Refused
79 Eaton Terrace London SW1W 8TN
Details of sample panel of brickwork held on site pursuant to condition 3 of listed building consent dated 8th April 2025 (RN: 24/08695/LBC). Linked with 26/00045/ADFULL
Other heritage and listed buildings applications
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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)