100 Eaton Square London SW1W 9AQ

This site has had 2 applications since 2026.

• 26/05921/LBC 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; 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)

  Submitted 28 Aug 2026 Heritage and listed buildings

1. 28 Aug 2026

   Received by Westminster

2. 7 Sep 2026

   Added to PlanIndex

3. 23 Sep 2026

   Validated

   Checked as complete and ready for consideration.

4. 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.

• 26/05921/LBC 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; 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)

  Submitted 28 Aug 2026 Heritage and listed buildings

1 later application on the register refers to this one:

• 26/05921/LBC 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; 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)

  Submitted 28 Aug 2026 Heritage and listed buildings

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Penthouse 95 Eaton Square London SW1W 9AQ

  26/02029/LBC Submitted 26 Mar 2026 50 yards away

  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

  26/02028/FULL Submitted 26 Mar 2026 50 yards away

  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

  26/05921/LBC Submitted 28 Aug 2026 50 yards away

  90% historically approved · decision due ~18 Nov

  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)

  Awaiting decision Heritage and listed buildings Windows or glazing

• 95 Eaton Square London SW1W 9AQ

  26/03592/LBC Submitted 2 Jun 2026 50 yards away

  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

  26/02321/LBC Submitted 8 Apr 2026 50 yards away

  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

  26/02320/FULL Submitted 8 Apr 2026 50 yards away

  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

• 26/05984/FULL Decided

  41 Sutherland Street London SW1V 4JX

  Replacement of front, side and rear windows with double glazed timber framed sash windows and replacement of a door with a double glazed timber framed door.

  Received 2 Sep, published by the council 11 Sep 2026 Full applications
• 26/06134/FULL Decided

  Flat 10H Hyde Park Mansions Cabbell Street London NW1 5BG

  Replacement of front and rear second floor level windows with slim-profile double-glazed panels, retaining the existing window and door frames.

  Received 8 Sep, published by the council 15 Sep 2026 Full applications
• 26/07258/FULL Awaiting decision

  16A Croxley Road London W9 3HL

  Installation of air to air heat pumps to offices and bedrooms.

  Received 22 Oct, published by the council 23 Oct 2026 Full applications
• 26/07193/FULL Awaiting decision

  98 Victoria Street London SW1E 5JL

  Shopfront alterations. (Linked with 26/07194/ADV)

  Received 21 Oct, published by the council 22 Oct 2026 Full applications
• 26/07187/FULL Awaiting decision

  Ground Floor Flat 151 Portnall Road London W9 3BN

  Erection of a single storey rear extension.

  Received 21 Oct, published by the council 22 Oct 2026 Full applications