Flat 5 Merchant House 184 - 186 Sutherland Avenue London W9 1HR

This site has had 4 applications since 2026: 2 approved, 0 refused.

• 26/05253/ADLBC Awaiting decision

  Flat 5 Merchant House 184 - 186 Sutherland Avenue London W9 1HR

  Details of revised design and materials to rear extension pursuant to condition 3 of listed building consent dated 23 June 2026 (RN: 26/00021/LBC) [Linked to 26/05197/ADFULL]

  Submitted 31 Jul 2026
• 26/05197/ADFULL Awaiting decision

  Flat 5 Merchant House 184 - 186 Sutherland Avenue London W9 1HR

  Details of revised design and materials to rear extension pursuant to condition 4 of planning permission dated 23 June 2026 (RN: 26/00020/FULL) [Linked to 26/05253/ADLBC]

  Submitted 31 Jul 2026
• 26/00021/LBC Granted

  Flat 5 Merchant House 184 - 186 Sutherland Avenue London W9 1HR

  Enclosure of an existing roof terrace with a single storey extension to rear first floor level and associated internal alterations (Linked to 26/00020/FULL)

  Decided 1 Jul 2026 Heritage and listed buildings

1. 5 Jan 2026

   Received by Westminster

2. 4 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 1 Jul 2026

   Decision issued: Application Permitted

4. 20 Jul 2026

   Added to PlanIndex

• 26/00021/LBC Granted

  Flat 5 Merchant House 184 - 186 Sutherland Avenue London W9 1HR

  Enclosure of an existing roof terrace with a single storey extension to rear first floor level and associated internal alterations (Linked to 26/00020/FULL)

  Decided 1 Jul 2026 Heritage and listed buildings

2 later applications on the register refer to this one:

• 26/05197/ADFULL Awaiting decision

  Flat 5 Merchant House 184 - 186 Sutherland Avenue London W9 1HR

  Details of revised design and materials to rear extension pursuant to condition 4 of planning permission dated 23 June 2026 (RN: 26/00020/FULL) [Linked to 26/05253/ADLBC]

  Submitted 31 Jul 2026
• 26/00021/LBC Granted

  Flat 5 Merchant House 184 - 186 Sutherland Avenue London W9 1HR

  Enclosure of an existing roof terrace with a single storey extension to rear first floor level and associated internal alterations (Linked to 26/00020/FULL)

  Decided 1 Jul 2026 Heritage and listed buildings

Westminster granted permission on 1 July 2026, 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.

• Flat 5 Merchant House 184 - 186 Sutherland Avenue London W9 1HR

  26/00021/LBC Submitted 5 Jan 2026 50 yards away

  Enclosure of an existing roof terrace with a single storey extension to rear first floor level and associated internal alterations (Linked to 26/00020/FULL)

  Granted Heritage and listed buildings Extension 15 docs
  Small domestic

• Second Floor And Third Floor Maisonette 170 Sutherland Avenue London W9 1HR

  26/06703/FULL Submitted 30 Sep 2026 50 yards away

  88% historically approved · decision due ~25 Nov

  Replacement of second- and third-floor windows with timber-framed double-glazed units, replacement rooflight, and an extension to the third-floor rear dormer and terrace, with new timber French doors.

  Awaiting decision Full applications Extension Loft or dormer +1

• Flat 5 Merchant House 184 - 186 Sutherland Avenue London W9 1HR

  26/05253/ADLBC Submitted 31 Jul 2026 50 yards away

  89% historically approved · decision due ~30 Sep

  Details of revised design and materials to rear extension pursuant to condition 3 of listed building consent dated 23 June 2026 (RN: 26/00021/LBC) [Linked to 26/05197/ADFULL]

  Awaiting decision Extension

• Flat 5 Merchant House 184 - 186 Sutherland Avenue London W9 1HR

  26/05197/ADFULL Submitted 31 Jul 2026 50 yards away

  89% historically approved · decision due ~30 Sep

  Details of revised design and materials to rear extension pursuant to condition 4 of planning permission dated 23 June 2026 (RN: 26/00020/FULL) [Linked to 26/05253/ADLBC]

  Awaiting decision Extension

• Basement And Ground Floor Maisonette 164 Sutherland Avenue London W9 1HR

  26/04794/TCA Submitted 17 Jul 2026 50 yards away

  100% historically approved · decision due ~12 Oct

  1 x Magnolia (rear): reduce height by approximately 2.5m and reduce sides by up to 2m, to form a balanced canopy outline.

  Decided Trees

• Ground Floor Flat 5 Lauderdale Road London W9 1LT

  26/03594/FULL Submitted 2 Jun 2026 50 yards away

  88% historically approved · decision due ~31 Jul

  Demolition of concrete steps and glazed canopy with replacement of new steps and portico; Render finish to existing boundary wall and replacement of timber slatted fence with black metal railings; and other associated works. (Retrospective)

  Awaiting decision Full applications Demolition Windows or glazing 14 docs
  Small domestic

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications