20 Lower Mall, London, W6 9DJ

This site has had 3 applications since 2025: 2 approved, 0 refused.

• P/2026/00810/DET Granted

  20 Lower Mall, London, W6 9DJ

  Submission of details of external facing materials (including manufacturer's specifications and photographs) pursuant to condition 4 of planning permission ref: 2025/03380/FUL granted 20th March 2026.

  Decided 18 May 2026 Conditions
• 2025/03380/FUL Granted

  20 Lower Mall, London, W6 9DJ

  Erection of an additional floor at roof level; erection of rear extensions at ground, first and second floor levels; replacement of existing metal railings to existing roof terrace with new glass balustrades at second floor level.

  Decided 20 Mar 2026 Full applications

1. 27 Aug 2026

   Received by Hammersmith and Fulham

2. 7 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 11 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 2 November 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.

• 20 Lower Mall, London, W6 9DJ

  2025/03380/FUL Submitted 5 Dec 2025 50 yards away

  Erection of an additional floor at roof level; erection of rear extensions at ground, first and second floor levels; replacement of existing metal railings to existing roof terrace with new glass balustrades at second floor level.

  Granted Full applications Extension 27 docs

• 20 Lower Mall, London, W6 9DJ

  P/2026/00810/DET Submitted 20 Mar 2026 50 yards away

  Submission of details of external facing materials (including manufacturer's specifications and photographs) pursuant to condition 4 of planning permission ref: 2025/03380/FUL granted 20th March 2026.

  Granted Conditions 6 docs

• 19 Lower Mall London W6 9DJ

  2019/01492/FUL Submitted 28 May 2019 50 yards away

  Erection of a part one, part two storey rear/side extension at first and second floor level, enlargement of the existing basement; the installation of solar panels to the flat roof of the side extension at second floor level; and replacement of the existing 3no. sets of French doors to the front elevation at first floor level.

  Granted Full applications Extension Windows or glazing 25 docs

• Westcott Lodge 22 Lower Mall London W6 9DJ

  2020/01808/TREE Submitted 16 Jul 2020 50 yards away

  97% historically approved · decision due ~11 Sep

  T1: Sycamore - Reduce by 2-3m house side over front garden.T2: Ash - Clear lamp column. Remove dead wood. Lift to 5mT3: Sycamore - Lift to 5m.T4: Sycamore - Remove all dead wood and lift to 5m.T5: Sycamore - Fell tree; grind stump. Arisings placed back into stump void as ground settles over time.T6: Cherry's x3 - Remove growth back to previous points.G1: Lift all trees on grass area to 5m

  Awaiting decision Trees 3 docs

• Westcott Lodge 22 Lower Mall London W6 9DJ

  2019/00284/TREE Submitted 29 Jan 2019 50 yards away

  97% historically approved · decision due ~26 Mar

  T2,T3 & T4: Prunus - Reduce heavily 40% and reshape. T5: Cotoneaster - Fell tree to a point as close to ground level as is rasonably practicable to leave a stump. Grind out resulting stump, excess arisings wil be placed back into the void left by the stump as the ground will settle over time.

  Awaiting decision Trees 3 docs

• Pavement To The Rear Of 52 Mall Road ,Facing Furnivall Gardens on Rutland Grove London,W6

  P/2026/01203/FUL Submitted 5 May 2026 100 yards away

  98% historically approved · decision due ~11 Sep

  Erection of a free standing InPost Parcel Locker with a canopy on the pavement to the rear of 52 Mall Road, facing Furnivall Gardens on Rutland Grove; erection of 2no bollards in front of the new proposed InPost Parcel Locker.

  Awaiting decision Full applications 14 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