Second Floor Flat 141 Portnall Road London W9 3BN

This site has had 3 applications since 2026.

• 26/06726/FULL Awaiting decision

  Second Floor Flat 141 Portnall Road London W9 3BN

  Erection of a rear dormer roof extension and the installation of three rooflights to front roof slope.

  Submitted 1 Oct 2026 Full applications
• 26/02106/FULL Awaiting decision

  Second Floor Flat 141 Portnall Road London W9 3BN

  Erection of rear dormer roof extension and formation of third floor roof terrace to second floor flat, including installation of rooflights.

  Submitted 30 Mar 2026 Full applications

1. 25 Jun 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 20 August 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 91 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.

• Ground Floor Flat 151 Portnall Road London W9 3BN

  26/07187/FULL Submitted 21 Oct 2026 50 yards away

  88% historically approved · decision due ~16 Dec

  Erection of a single storey rear extension.

  Awaiting decision Full applications Extension
  Small domestic

• Second Floor Flat 163 Portnall Road London W9 3BN

  26/06392/ADFULL Submitted 17 Sep 2026 50 yards away

  89% historically approved · decision due ~12 Nov

  Details of photographs of the facing materials pursuant to condition 3 of planning permission dated 26 August 2026 (RN: 25/09036/FULL)

  Awaiting decision

• Second Floor Flat 141 Portnall Road London W9 3BN

  26/06726/FULL Submitted 1 Oct 2026 50 yards away

  88% historically approved · decision due ~26 Nov

  Erection of a rear dormer roof extension and the installation of three rooflights to front roof slope.

  Awaiting decision Full applications Extension Loft or dormer

• Second Floor Flat 141 Portnall Road London W9 3BN

  26/02106/FULL Submitted 30 Mar 2026 50 yards away

  88% historically approved · decision due ~25 May

  Erection of rear dormer roof extension and formation of third floor roof terrace to second floor flat, including installation of rooflights.

  Awaiting decision Full applications Extension Loft or dormer 17 docs

• Second Floor Flat 163 Portnall Road London W9 3BN

  25/09036/FULL Submitted 12 Dec 2025 50 yards away

  88% historically approved · decision due ~17 Mar

  Refurbishment of top floor maisonette, including the demolition and rebuilding of existing rear terrace conservatory, new rear loft dormer, and new metal balustrade to existing roof terrace.

  Awaiting decision Full applications Extension Loft or dormer +1 26 docs

• 186 Ashmore Road London W9 3DE

  25/07635/FULL Submitted 21 Oct 2025 50 yards away

  Erection of single-storey full width rear extension at ground floor level; erection of rear dormer extension with front roof lights; conversion from a single dwelling house into three self-contained flats (Use Class C3); installation of refuse and cycle storage in front and rear gardens.

  Granted Full applications New dwelling Extension +1 21 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