Planning application
26/00883/FULL
First Floor And Second Floor Flat 84 Eaton Square London SW1W 9AG
Proposal
Installation of new timber framed slimline double glazed sash windows in place of modern units; and retention of historic window frames with replacement slimline double glazing. (Linked to 25/09171/LBC)
As published by the council, reference 26/00883/FULL
Timeline
Dates from the published record
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12 Feb 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 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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26/04271/ADFULL Awaiting decision
Flat D 86 Eaton Square London SW1W 9AG
Details of arrangements on-street residents car parking in the vicinity of the site pursuant to condition 8 of planning permission dated 22 May 2026 (RN: 25/08586/FULL).
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26/01083/LBC Awaiting decision
90 Eaton Square London SW1W 9AG
Structural repairs to front pavement vaults.
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25/07652/TCA Awaiting decision
90 Eaton Square London SW1W 9AG
T931 - ash - crown reduce by up to 1.5 meters in hight and 1 meter on the lateral branches to take the crown away from the buildings and shape. T930 - Magnolia - crown reduce all over by up to 1.5 meters to contain size in inner courtyard and reduce conflict with neighbouring ash and give clearance from buildings.
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25/09171/LBC Granted
First Floor And Second Floor Flat 84 Eaton Square London SW1W 9AG
Internal reconfiguration of Flat B, including new fittings, fixtures, services, and finishes throughout; alterations to staircase landings with replacement balustrades and handrails; installation of new timber-framed slimline double-glazed sash windows in place of modern units; retention of historic window frames with replacement slimline double-glazing; minor internal layout adjustments, including relocation of the powder room and removal of the secondary lift; replacement of modern doors with raised-height openings; installation of new fireplaces in the Drawing Room and Principal Bedroom; introduction of underfloor heating throughout; together with associated internal and external works.
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26/04473/TPO Awaiting decision
Eaton Square London
T390 - Prunus cerasifera: End weight reduction - reducing the heavy extended low limb to the east over the garden footpath and lawn by around 1 m, to reduce loading and leverage effect on bark included main stem union. Also lift the height of that branch to 2.5 m over the footpath. Final cuts to be made at suitable pruning points, leaving furnishing growth to minimise visual impact. T394 - Prunus cerasifera: End weight reduction - reducing the extended limb/ stem to the northeast by approximately 1.5 m to reduce extension loading on bark included basal stem union and minimise the potential for stem failure. Also, lift the low canopy of the same limb/ stem to 2.5 m over the footpath. T786 - Aesculus hippocastanum: End weight reduction - reducing the heavy extended limbs (with maturing regrowth in the lower and mid crown from previous reduction), by around 2 m to reduce loading and continue the previously established crown management. The reduction should taper out towards the top of the crown to meet the current top, centre of the crown. Final cuts to be made at suitable pruning points, leaving furnishing growth to minimise visual impact. T197 - Acer platanoides 'Crimson King': Lift low canopy, pedestrian clearance - to 2.5 m over public footpath and clear lamp column by 1 m. T198 - Laurocerasus lusitanica: Lift low canopy, pedestrian clearance - to 2.5 m over footpath. T367 - Acer palmatum: Lift low canopy, pedestrian clearance - lightly, selectively tip pruning the lowest branches overcthecfootpath only, using secateurs, to lift the canopy height to 2.5 m without disrupting the natural form of the tree. Platanus x hispanica: T774 - Lift low canopy, pedestrian clearance - to 3 m over garden footpath. T194 - Prune from adjacent structure - to clear lamp column by 1.5 m. T381 - Reduce crown by specified extent - Reducing the extended limbs over the road and parking to the north, west & northwest and over the garden to the northeast, east and south, in the lowe
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26/00311/LBC Granted
Basement Flat 58 Eaton Place London SW1X 8AT
Internal refurbishment and layout alterations
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In Westminster
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26/04824/ADFULL Granted
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Detailed design and specification of new blinds to NZH based on mock-up trials on-site. pursuant to condition 32 (i) of planning permission dated 8th April 2024 (23/00571/FULL).
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26/04829/ADFULL Granted
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Details of external and internal signage strategy pursuant to Condition 33(E) of planning permission dated 8th April 2024 (RN: 23/00571/FULL)
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26/04841/ADFULL Granted
29 Henstridge Place London NW8 6QD
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
Inver Court Inverness Terrace London W2 6JB
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.