42 Adelaide Grove, London, W12 0JJ

This site has had 2 applications since 2026.

• P/2026/00910/CLP Awaiting decision

  42 Adelaide Grove, London, W12 0JJ

  Erection of a rear roof extension; erection of a single storey rear extension to the side of the existing back addition; installation of 2no rooflights in the front roofslope and 1no rooflight above the roof of ground floor rear back addition; replace door and window to two windows of the flank elevation of rear extension; installation of French doors to replace the existing single door at ground floor level to the rear elevation.

  Submitted 2 Mar 2026 Lawful development

1. 23 Aug 2026

   Received by Hammersmith and Fulham

2. 27 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 2 Sep 2026

   Added to PlanIndex

4. 11 Sep 2026

   Status changed to REGISTERED: Under Consultation

   Previously REGISTERED: Valid.

5. 1 Oct 2026

   Status changed to REGISTERED: Under Assessment

   Previously REGISTERED: Under Consultation.

6. Decision

   Awaiting decision

   Decision expected by 22 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hammersmith and Fulham took a median of 80 days over the applications it decided in the last year.

This application is with Hammersmith and Fulham for determination, against a statutory target of eight weeks. Over the last year Hammersmith and Fulham decided householder applications in a median of 86 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 42 Adelaide Grove, London, W12 0JJ

  P/2026/00910/CLP Submitted 2 Mar 2026 50 yards away

  91% historically approved · decision due ~2 Jun

  Erection of a rear roof extension; erection of a single storey rear extension to the side of the existing back addition; installation of 2no rooflights in the front roofslope and 1no rooflight above the roof of ground floor rear back addition; replace door and window to two windows of the flank elevation of rear extension; installation of French doors to replace the existing single door at ground floor level to the rear elevation.

  Awaiting decision Lawful development Extension Loft or dormer +1 11 docs
  Small domestic

• 46 Adelaide Grove, London, W12 0JJ

  2026/00263/CLP Submitted 2 Feb 2026 50 yards away

  Erection of a rear roof extension; and installation of 2no. rooflights in the front roofslope.

  Granted Lawful development Extension Loft or dormer 13 docs

• 51 Oaklands Grove, London, W12 0JE

  2025/02699/CLP Submitted 2 Oct 2025 50 yards away

  Erection of a rear roof extension; and installation of 2no. rooflights in the front roofslope.

  Granted Lawful development Extension Loft or dormer 10 docs

• 30 Adelaide Grove, London, W12 0JJ

  2025/03001/FUL Submitted 28 Oct 2025 50 yards away

  98% historically approved · decision due ~26 Dec

  Installation of insulation finished with render to the external walls of the front and rear elevations.

  Awaiting decision Full applications 13 docs

• 58 Adelaide Grove, London, W12 0JJ

  2026/00189/CLP Submitted 23 Jan 2026 50 yards away

  Erection of a rear roof extension; and installation of 2no. rooflights in the front roofslope.

  Granted Lawful development Extension Loft or dormer 18 docs

• 65A Adelaide Grove London W12 0JX

  2018/01805/FUL Submitted 14 Jun 2018 50 yards away

  98% historically approved · decision due ~9 Aug

  Erection of a rear extension at second floor level, on top of the existing back addition; installation of a new glazed window with a Juliet balcony to replace the existing window at first floor level to the rear elevation and in the rear roofslope.

  Awaiting decision Full applications Extension Windows or glazing 18 docs

• P/2026/01801/HH Granted

  91 Archel Road, London, W14 9QL

  Erection of a front dormer roof extension, following the removal of 3no. rooflights in the front roofslope; installation of a rooflight, on top of the main flat roof at roof level; replacement of existing slates with new slates to the main roof slopes; re-sizing and replacement of a window within existing dormer window frame to the rear roofslope; erection of raised side and rear parapet walls to the rear outrigger to facilitate the formation of a roof terrace, including obscure-glazed openings within the parapet.

  Received 15 Jul, published by the council 31 Jul 2026 Householder
• P/2026/01914/HH Granted

  57 Mendora Road, London, SW6 7ND

  Erection of a single storey rear extension, to the side of existing back addition.

  Received 27 Jul, published by the council 2 Aug 2026 Householder
• P/2026/02049/HH Granted

  93 Gayford Road, London, W12 9BY

  Erection of a rear roof extension, involving an increase in the ridge height by 550mm, and including installation of French doors and a Juliet balcony; erection of a single storey rear extension at ground floor level, to the side of the existing back addition; raising of roof height of flat roof of existing two storey back addition and the removal of the rear chimney; installation of 2no. rooflights to the front roof slope; enlargement and replacement of existing windows to the rear elevation.

  Received 6 Aug, published by the council 15 Aug 2026 Householder
• P/2026/02536/HH Awaiting decision

  62 Hartismere Road, London, SW6 7UD

  Erection of 1.7m high opaque glass privacy screening around the perimeter of the flat roof above existing first floor back addition, including removal of chimney, new decking, and new parapet walls in connection with the formation of a roof terrace; removal and infilling an existing window, installation of a timber sash window and a timber single door to the rear elevation at second floor level, to provide access to the proposed roof terrace.

  Received 2 Oct, published by the council 9 Oct 2026 Householder
• P/2026/02529/HH Awaiting decision

  12 And 13 Hammersmith Terrace, London, W6 9TS

  Replacement of 3no. existing single glazed timber framed sash windows with new double glazed timber framed sash windows, to the rear elevation at second floor level (no.13).

  Received 1 Oct, published by the council 9 Oct 2026 Householder