Planning application
100 Eaton Square London SW1W 9AQ
Works: Windows or glazing
Relates to 26/05920/FULL
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Installation of new dry riser pipework on the north-west elevation from lower ground to roof level; roof level automatic opening vent (AOV); internal protection railings to windows serving rear staircase; new internal dry riser outlets and 'Dry Riser' sign on south-east railings. (Linked to 26/05920/FULL)
As published by the council, reference 26/05921/LBC
Application record
- Reference
- 26/05921/LBC
- Category
- Heritage and listed buildings
- Status
- Pending
- Received
- 28 Aug 2026
- Validated
- 23 Sep 2026
- Postcode
- SW1W 9AQ
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2026.
-
26/05920/FULL Awaiting decision
100 Eaton Square London SW1W 9AQ
Installation of new dry riser pipework on the north-west elevation from lower ground to roof level and roof level automatic opening vent (AOV). (Linked to 26/05921/LBC)
Timeline
Dates from the published record
-
28 Aug 2026
Received by Westminster
-
7 Sep 2026
Added to PlanIndex
-
23 Sep 2026
Validated
Checked as complete and ready for consideration.
-
Decision
Awaiting decision
Decision expected by 18 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 86 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
-
26/05920/FULL Awaiting decision
100 Eaton Square London SW1W 9AQ
Installation of new dry riser pipework on the north-west elevation from lower ground to roof level and roof level automatic opening vent (AOV). (Linked to 26/05921/LBC)
1 later application on the register refers to this one:
-
26/05920/FULL Awaiting decision
100 Eaton Square London SW1W 9AQ
Installation of new dry riser pipework on the north-west elevation from lower ground to roof level and roof level automatic opening vent (AOV). (Linked to 26/05921/LBC)
What happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 119 days. More in our guide to how long planning decisions take.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
Penthouse 95 Eaton Square London SW1W 9AQ
90% historically approved · decision due ~21 May
Relocation of two internal gas meters to balcony; Installation of one new painted cast iron airbrick to provide adequate ventilation to a laundry utility room; Replacement of two non-operational chimney pots with two chimney pots with concealed flue fans and other associated works. Linked with 26/02028/FULL
Awaiting decision Heritage and listed buildings 19 docs -
Penthouse 95 Eaton Square London SW1W 9AQ
88% historically approved · decision due ~21 May
Variation of condition 1 of planning permission dated 16th April 2025 (RN:24/06846/FULL) for the External works including installation of replacement double glazed metal windows to front and rear elevations, creation of enlarged balcony to principal reception room. alterations to metal railings, new rooflight and replace roof hatches at main roof level, installation of sliding box lantern for access to existing roof terrace and installation of PV panels at roof level. NAMELY, to allow minor required alterations, to inlcude, relocating two internal gas meters to balcony locations externally, installation of one new painted cast iron airbrick on secondary rear facade to provide adequate ventilation to a laundry utility room, replacement of two non-operational chimney pots with two chimney pots with concealed flue fans, exchange of approved drawings referenced by Condition 1. Linked with 26/02029/LBC
Awaiting decision Full applications Loft or dormer Windows or glazing 20 docs -
100 Eaton Square London SW1W 9AQ
88% historically approved · decision due ~18 Nov
Installation of new dry riser pipework on the north-west elevation from lower ground to roof level and roof level automatic opening vent (AOV). (Linked to 26/05921/LBC)
Awaiting decision Full applications -
95 Eaton Square London SW1W 9AQ
90% historically approved · decision due ~28 Jul
Replacement of windows and doors at 95J & 95H Eaton Square. (Linked with 26/03591/FULL)
Awaiting decision Heritage and listed buildings Windows or glazing 1 doc -
Penthouse 95 Eaton Square London SW1W 9AQ
90% historically approved · decision due ~22 Jun
Minor specification alterations to the approved fenestration on the front elevation including the change in glazing specification from the consented double glazing to proposed triple glazing windows, consented ratio of solids to voids to remain as previously agreed and consented.
Awaiting decision Heritage and listed buildings Windows or glazing 24 docs -
Penthouse 95 Eaton Square London SW1W 9AQ
88% historically approved · decision due ~22 Jun
Variation of condition 1 of planning permission dated 16 April 2025 (RN: 24/06846/FULL) for 'External works including installation of replacement double glazed metal windows to front and rear elevations, creation of enlarged balcony to principal reception room. alterations to metal railings, new rooflight and replace roof hatches at main roof level, installation of sliding box lantern for access to existing roof terrace and installation of PV panels at roof level'. Namely, the change in glazing specification from the consented double glazing to proposed triple glazing windows, consented ratio of solids to voids to remain as previously agreed and consented. (Linked to 26/02321/LBC)
Awaiting decision Full applications Loft or dormer Windows or glazing 21 docs
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