18 Cromwell Grove, London, W6 7RG

1. 17 Aug 2026

   Received by Hammersmith and Fulham

2. 2 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 7 Sep 2026

   Added to PlanIndex

4. 9 Oct 2026

   Status changed to REGISTERED: Under Assessment

   Previously REGISTERED: Under Consultation.

5. Decision

   Awaiting decision

   Decision expected by 28 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.

• 12 Cromwell Grove London W6 7RG

  2019/01061/TREE Submitted 4 Apr 2019 50 yards away

  97% historically approved · decision due ~30 May

  Rear garden. T1 & T2) - 2x Limes (Tilia cordata), reduce to previous pollard point (1.5m) maintaining lower 'screening' branches. T3) - Sycamore (Acer pseudoplanus), reduce to last pollard point (2.5m) maintaining lower 'screening' branches; remove 2 x large RH crossing branches.

  Awaiting decision Trees 3 docs

• 16 Cromwell Grove London W6 7RG

  2018/02426/FUL Submitted 19 Jul 2018 50 yards away

  Removal of external staircase to the rear elevation; replace door to rear elevation with a window at ground floor level; replace door and window at basement level with new French doors; installation of a new rooflight to existing side extension to replace existing rooflight; erection of an infill extension and relocation entrance door to front elevation at basement level; installation of new timber double glazed sash windows and lowering of cill to front elevation at basement level.

  Granted Full applications Extension Loft or dormer +1 49 docs

• 16 Cromwell Grove London W6 7RG

  2019/00395/FUL Submitted 8 Feb 2019 50 yards away

  Removal of external staircase to the rear elevation; replace door to rear elevation with a window at ground floor level; replace door and window at basement level with new French doors; installation of a new rooflight to existing side extension to replace existing rooflight; erection of an infill extension and relocation entrance door to front elevation at basement level; installation of new timber double glazed sash windows and lowering of cill to front elevation at basement level; formation of a new bin store in front garden.

  Granted Full applications Extension Loft or dormer +1 29 docs

• 16 Cromwell Grove London W6 7RG

  2018/01869/FUL Submitted 7 Jun 2018 50 yards away

  Front infill extension at basement level and relocation of front entrance door; replacement of single-glazed windows to front basement bay window with double-glazed windows; At rear: Removal of external staircase, replacement of door with double-glazed timber sash window at ground-floor level, replacement of door with double-glazed fixed window at basement level; replacement of window with double-glazed French doors and full-height sidelight window also at basement level.

  Granted Full applications Extension Windows or glazing 28 docs

• 37 Cromwell Grove London W6 7RQ

  2018/00351/TREE Submitted 31 Jan 2018 50 yards away

  Rear garden T1 Lime - to pollard this tree back to its original pollarding points.

  Decided Trees 3 docs

• 37 Cromwell Grove London W6 7RQ

  2019/02740/TREE Submitted 16 Sep 2019 50 yards away

  97% historically approved · decision due ~11 Nov

  Rear garden. Lime, pollard back to its original pollarding points.

  Awaiting decision Trees 3 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