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Planning application

20 Lower Mall, London, W6 9DJ

Granted Hammersmith and Fulham 2025/03380/FUL Full Planning Application

Works: Extension

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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.

As published by the council, reference 2025/03380/FUL

Application record

Reference
2025/03380/FUL
Type
Full Planning Application
Status
Granted As published: Decided: APPLICATION APPROVED
Decision
Granted As published: APPLICATION APPROVED
Received
5 Dec 2025
Validated
10 Dec 2025
Decided
20 Mar 2026
Ward
Hammersmith Broadway
Postcode
W6 9DJ

Site history

Applications at this address on the Hammersmith and Fulham register

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

  • P/2026/02290/HH Awaiting decision

    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; installation of an air conditioning unit attached to the northern elevation of the proposed first floor extension.

    Submitted 27 Aug 2026 Householder
  • 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

Timeline

Dates from the published record

  1. 5 Dec 2025

    Received by Hammersmith and Fulham

  2. 10 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 20 Mar 2026

    Decision issued: APPLICATION APPROVED

  4. 24 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 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

Documents

Plans, drawings, consultee responses and the officer's report

27 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Hammersmith and Fulham granted permission on 20 March 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.

About full applications

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.

Nearby applications

Within 500 metres

  • 20 Lower Mall, London, W6 9DJ

    P/2026/02290/HH Submitted 27 Aug 2026 0m away

    98% historically approved · decision due ~2 Nov

    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; installation of an air conditioning unit attached to the northern elevation of the proposed first floor extension.

    Awaiting decision Householder Extension 31 docs
    Domestic
  • 20 Lower Mall, London, W6 9DJ

    P/2026/00810/DET Submitted 20 Mar 2026 0m 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 12m 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 34m 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
  • Pavement To The Rear Of 52 Mall Road ,Facing Furnivall Gardens on Rutland Grove London,W6

    P/2026/01203/FUL Submitted 5 May 2026 76m 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
  • Flat A, 45 Mall Road, London, W6 9DG

    2025/02566/TREE Submitted 22 Sep 2025 80m away

    97% historically approved · decision due ~18 Nov

    G1 Thuja & Elder - rear garden - Reduce height to around 3m on both trees, reducing remaining lateral branches by around 30-50% to shape and contain - Final heights around 3m, final spreads around 3m.

    Awaiting decision Trees 3 docs

In Hammersmith and Fulham

  • 2025/02611/FUL Granted

    30 Galloway Road, London, W12 0PJ

    Replacement of all existing single glazed timber windows with new double glazed timber windows; replacement of existing timber moulded door and single glazed obscured panels and toplight with a new timber moulded door and double glazed obscured panels and toplight to the front elevation, and replacement of existing single glazed timber door and single glazed sidelight and toplight with a new double glazed timber door and double glazed sidelight and toplight to the rear elevation at ground floor level.

    Received 24 Sep, published by the council 25 Jul 2026 Full applications
  • 2025/02608/FUL Granted

    26 Galloway Road, London, W12 0PJ

    Replacement of all existing single glazed timber windows with new double glazed timber windows; replacement of existing single glazed timber moulded door including single glazed obscured toplights with a new double glazed timber moulded door including double glazed obscured toplights to the front elevation, and replacement of existing single glazed timber door including single glazed sidelight and toplight with a new double glazed timber door including double glazed sidelight and toplight to the rear elevation at ground floor level.

    Received 24 Sep, published by the council 25 Jul 2026 Full applications
  • 2025/02610/FUL Granted

    29 Galloway Road, London, W12 0PH

    Replacement of existing single glazed uPVC windows with new double glazed timber windows to the front elevation; replacement of existing composite moulded door and double glazed obscured toplight with a new traditional timber moulded door and double glazed obscured toplight to the front elevation at ground floor level; replacement of existing single glazed timber windows with new double glazed timber windows to the rear elevation; and replacement of existing single glazed timber French door and single glazed panels with a new double glazed timber French door and double glazed panels to the rear elevation at ground floor level.

    Received 24 Sep, published by the council 25 Jul 2026 Full applications
  • P/2026/02334/FUL Awaiting decision

    169-175 Nazareth House, Hammersmith Road, London, W6 8DB

    Erection of 3no bollards, replacement of 1no window with a door and formation of an access ramp with handrails, installation of dropped kerb and formation of zebra crossing to eastern elevation of the building.

    Received 9 Sep, published by the council 17 Sep 2026 Full applications
  • 2026/00056/FUL Granted

    Chiswick Nursing Centre Ravenscourt Gardens, London, W6 0AE

    Replacement of existing windows and doors with new double glazed Aluminium windows and doors.

    Received 11 Jan, published by the council 24 Jul 2026 Full applications