4 Matthew Parker Street London SW1H 9NL

This site has had 4 applications since 2026.

• 26/02899/FULL Awaiting decision

  4 Matthew Parker Street London SW1H 9NL

  Creation of a roof terrace at sixth floor.

  Submitted 1 May 2026 Full applications
• 26/02898/FULL Awaiting decision

  4 Matthew Parker Street London SW1H 9NL

  Alterations including new balustrades and planters to create terraces at third and fourth floor (south) levels.

  Submitted 1 May 2026 Full applications
• 26/02701/FULL Awaiting decision

  4 Matthew Parker Street London SW1H 9NL

  Creation of two flat roof terraces at second and fourth floor levels; and other associated works including new handrails, planters, and access doors.

  Submitted 23 Apr 2026 Full applications

1. 6 Oct 2026

   Received by Westminster

2. 12 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 1 December 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.

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.

• 4 Matthew Parker Street London SW1H 9NL

  26/02701/FULL Submitted 23 Apr 2026 50 yards away

  88% historically approved · decision due ~18 Jun

  Creation of two flat roof terraces at second and fourth floor levels; and other associated works including new handrails, planters, and access doors.

  Awaiting decision Full applications 17 docs
  Several homes

• 4 Matthew Parker Street London SW1H 9NL

  26/02899/FULL Submitted 1 May 2026 50 yards away

  88% historically approved · decision due ~26 Jun

  Creation of a roof terrace at sixth floor.

  Awaiting decision Full applications 16 docs

• 4 Matthew Parker Street London SW1H 9NL

  26/02898/FULL Submitted 1 May 2026 50 yards away

  88% historically approved · decision due ~26 Jun

  Alterations including new balustrades and planters to create terraces at third and fourth floor (south) levels.

  Awaiting decision Full applications 21 docs

• 23 Old Queen Street London SW1H 9JA

  25/06809/FULL Submitted 22 Sep 2025 50 yards away

  Erection of conservatory structure at rear first-floor level.

  Granted Full applications Extension 16 docs

• Two Chairmen 39 Dartmouth Street London SW1H 9BP

  26/01049/ADV Submitted 18 Feb 2026 50 yards away

  Display of externally illuminated projecting sign measuring 1.3m x 0.9m, two externally illuminated fascia signs measuring 2.5m x 0.2m, internally illuminated menu box 0.29 x 0.37m, non illuminated plaque 0.2m height, and 1 x non- illuminated number 0.31m x 0.1m

  Granted Advertising 9 docs

• 30 Old Queen Street London SW1H 9HP

  25/06582/FULL Submitted 15 Sep 2025 50 yards away

  External alterations including replacement of rooflight with AOV and removal and replacement of bitumen roof surface. (Linked with 25/06583/LBC).

  Granted Full applications Loft or dormer 86 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