42 Chester Row London SW1W 8JP

This site has had 2 applications since 2026.

• 26/07150/LBC Awaiting decision

  42 Chester Row London SW1W 8JP

  Installation of an air conditioning system at 42 Chester Row, comprising an external condenser unit located on the rooftop and four internal units. (Linked to 26/07149/FULL)

  Submitted 19 Oct 2026 Heritage and listed buildings

1. 19 Oct 2026

   Received by Westminster

2. 23 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 14 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.

1 later application on the register refers to this one:

• 26/07150/LBC Awaiting decision

  42 Chester Row London SW1W 8JP

  Installation of an air conditioning system at 42 Chester Row, comprising an external condenser unit located on the rooftop and four internal units. (Linked to 26/07149/FULL)

  Submitted 19 Oct 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.

• 42 Chester Row London SW1W 8JP

  26/07150/LBC Submitted 19 Oct 2026 50 yards away

  90% historically approved · decision due ~14 Dec

  Installation of an air conditioning system at 42 Chester Row, comprising an external condenser unit located on the rooftop and four internal units. (Linked to 26/07149/FULL)

  Awaiting decision Heritage and listed buildings

• 40 Chester Row London SW1W 8JP

  26/06452/LBC Submitted 21 Sep 2026 50 yards away

  90% historically approved · decision due ~16 Nov

  Replacement of existing conservatory at rear ground floor level. (Linked with 26/06451/FULL )

  Awaiting decision Heritage and listed buildings Extension

• 40 Chester Row London SW1W 8JP

  26/06451/FULL Submitted 21 Sep 2026 50 yards away

  88% historically approved · decision due ~16 Nov

  Replacement of existing conservatory at rear ground floor level. (Linked with 26/06452/LBC)

  Awaiting decision Full applications Extension

• 14A Caroline Terrace London SW1W 8JS

  25/08109/ADFULL Submitted 6 Nov 2025 50 yards away

  Details of appropriate arrangements to secure measures to mitigate the potential increased demand for on-street residents car parking in the vicinity of the site pursuant to condition 5 of planning permission dated 20th August 2025 (RN:25/04744/FULL)

  Granted Full applications 8 docs

• 11 Caroline Terrace London SW1W 8JS

  26/02492/FULL Submitted 15 Apr 2026 50 yards away

  88% historically approved · decision due ~10 Jun

  Installation of CCTV cameras on the front and rear elevations at lower ground and ground floor levels.

  Awaiting decision Full applications 10 docs

• 14A Caroline Terrace London SW1W 8JS

  26/00787/ADFULL Submitted 10 Feb 2026 50 yards away

  88% historically approved · decision due ~7 Apr

  Detailed drawings (specifying materials and photographs of samples to illustrate finished appearance) of new windows and doors including reveals and design of brickwork framing any new openings, rooflights, including upstands and relationship with surrounding fabric, new glazed gate, roof detailing, including any ridge tiles, junctions, gutters, parapet coping and barge boards, waste storage and cycle parking pursuant to condition 4, 6 and 8 of planning permission dated 20 August 2025 (RN: 25/04744/FULL).

  Awaiting decision Full applications Loft or dormer Windows or glazing 10 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