90 Park Street London W1K 6NP

This site has had 2 applications since 2012: 1 approved, 0 refused.

• 26/01800/FULL Decided

  90 Park Street London W1K 6NP

  Erection of single storey rear extension at third floor level with roof terrace above enclosed by glass balustrade, to enlarge dwellinghouse (Class C3).

  Submitted 19 Mar 2026 Full applications

1. 5 Mar 2012

   Received by Westminster

2. 11 Jul 2012

   Validated

   Checked as complete and ready for consideration.

3. 21 Sep 2012

   Decision issued: Application Permitted

4. 20 Aug 2026

   Added to PlanIndex

Westminster granted permission on 21 September 2012, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• 90 Park Street London W1K 6NP

  26/01800/FULL Submitted 19 Mar 2026 50 yards away

  88% historically approved · decision due ~8 Jun

  Erection of single storey rear extension at third floor level with roof terrace above enclosed by glass balustrade, to enlarge dwellinghouse (Class C3).

  Decided Full applications Extension 18 docs
  Small domestic

• 96 Park Street London W1K 6NY

  26/02820/FULL Submitted 28 Apr 2026 50 yards away

  88% historically approved · decision due ~23 Jun

  Variation of Condition 1 of planning permission dated 25th February 2025 (RN:24/09049/FULL) for: External alterations including the erection of single-storey roof extension to enlarge the existing, albeit reconfigured, fourth floor flats with a terrace, plant within an enclosure, an area sedum roof and an area blue roof above; installation of replacement windows throughout, installation of a replacement garage door and the installation of new dry riser inlet inset within existing railing to the lightwell along the Park Street frontage (Site include 92 - 96 Park Street) namely, reconfiguring the blue/green roof and paving slab finishes, raising of a portion of the party wall to 98-100 Park Street to provide guarding to the proposed roof terrace; reduction in number of fixed roof lights and increased sizes of two remaining fixed roof lights, the opening glazed roof light providing access from the Flat 10 5th floor to the roof terrace raised by 430mm, portion of main roof lowered over the existing lift shaft to receive one of the proposed ASHP, in order to screen the ASHP and ensure adequate air flow around the unit, the location of the second ASHP is proposed on the terrace, again to ensure adequate air flow to the unit, a new metal access ladder, painted black, is proposed to provide roof access from the 4th floor flat roof adjacent to the lightwell to the main roof in order to maintain the blue/green roof and services plant, three smaller opaque glazed windows are proposed overlooking the lightwell at 5th floor level & a pair of solid timber fire doors, new handrails are proposed to the flat roof surrounding the 4th floor roof adjacent to the lightwell, At 4th floor level, three of four existing windows overlooking the lightwell to recieve treatment

  Awaiting decision Full applications New dwelling Extension +2 10 docs
  Small domestic

• 96 Park Street London W1K 6NY

  26/06788/FULL Submitted 5 Oct 2026 50 yards away

  88% historically approved · decision due ~30 Nov

  Variation of Condition 1 of planning permission dated 9th July 2026 (RN: 26/02820/FULL) for, "External alterations including the erection of single-storey roof extension to enlarge the existing, albeit reconfigured, fourth floor flats with a terrace, plant within an enclosure, an area sedum roof and an area blue roof above; installation of replacement windows throughout, installation of a replacement garage door and the installation of new dry riser inlet inset within existing railing to the lightwell along the Park Street frontage" (Site include 92 - 96 Park Street); Namely, to make the following amendments to the approved development: (i) Omit 3 No opaque glazed windows overlooking the lightwell at 5th floor level and a pair of solid timber fire doors; (ii) Replace slate cladding to the terrace balustrade facing the lightwell with white painted render: (iii) Raise the lowered portion of the main roof, over the existing lift shaft to remove the ASHP 'pit' - the ASHP would be raised too; (iv) Relocate the ASHP on the roof terrace adjacent to the raised ASHP; (v) Add 2 No new condensers, to serve Flats 4 and 8, adjacent to the ASHPs; (vi) Form a new slate clad screen around the plant area hosting the 2 No ASHPs and 2 No condensers'; and (vii) Form a new black painted metal balustrading between the slate screen and the render screen around the staircase providing access to the roof terrace (Application under Section 73 of the Act).

  Awaiting decision Full applications New dwelling Extension +1
  Small domestic

• 96 Park Street London W1K 6NY

  26/04999/NMA Submitted 27 Jul 2026 50 yards away

  93% historically approved · decision due ~21 Sep

  Amendments to planning permission dated 25 January 2013 (RN: 12/10332/FULL) for internal and external alterations at basement level to provide 1 x 2 bed flat, cycle parking and residential storage with provision of car garage at ground floor level; NAMELY amendments to basement storage and servicing areas, including reconfigured tenant storage, retention of 14 cycle spaces through space-efficient racks, insertion of a cold water/sprinkler tank, improved refuse storage layout, consolidation of cleaner/concierge facilities, removal of internal partitions to improve storage usability, and retention of existing basement windows previously unimplemented under the original consent.

  Awaiting decision Amendments Windows or glazing 7 docs

• 96 Park Street London W1K 6NY

  26/02290/ADFULL Submitted 7 Apr 2026 50 yards away

  88% historically approved · decision due ~2 Jun

  Details of photographs of samples of glazing, elevations and roof plans; detailed drawings and a bio-diversity management plan in relation to the green roof; details of the blue roof and details of the waste water heat recovery pursuant to discharge of conditions 4,9,10 and 11 of planning permission dated 25th February 2025 (RN: 24/09049/FULL).

  Awaiting decision Full applications Windows or glazing 6 docs

• Shepherds Place Buildings Shepherds Place London W1K 6ED

  07/03172/FULL Submitted 10 Apr 2007 50 yards away

  Erection of mansard roof extension at third floor level, infill of lightwell at rear basement level, installation of one air conditioning unit at roof level and associated acoustic enclosure. Change of use from office (Class B1) to retail (Class A1) at ground floor level. Use of part basement and ground floor as two staff studio apartments to be used in connection with the existing serviced apartments on the upper floors.

  Withdrawn Full applications New dwelling Extension +1 11 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
• 26/07193/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
• 26/07182/FULL Awaiting decision

  306 - 308 Regent Street London W1B 3AT

  Installation of a manually operated retractable fabric awning to the existing shopfront at 308 Regent Street, comprising an orange fabric canopy with discreet printed lettering to the front valance, together with associated supporting framework, mounting brackets and fixings to the existing facade.

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