Planning application
20 Lower Mall, London, W6 9DJ
Works: Extension Domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
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; installation of an air conditioning unit attached to the northern elevation of the proposed first floor extension.
As published by the council, reference P/2026/02290/HH
Application record
- Reference
- P/2026/02290/HH
- Type
- Householder Application
- Status
- REGISTERED: Under Consultation
- Received
- 27 Aug 2026
- Validated
- 7 Sep 2026
- Ward
- Hammersmith Broadway
- Postcode
- W6 9DJ
Comment by 7 October 2026
The council is taking comments on this application until then. Comments go to Hammersmith and Fulham through their own planning portal.
Site history
Applications at this address on the Hammersmith and Fulham register
This site has had 3 applications since 2025: 2 approved, 0 refused.
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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.
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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.
Timeline
Dates from the published record
-
27 Aug 2026
Received by Hammersmith and Fulham
-
7 Sep 2026
Validated
Checked as complete and ready for consideration.
-
11 Sep 2026
Added to PlanIndex
-
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 79 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
31 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.
Trade members open them from here.
Open the documentsWhat happens while it is decided
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 81 days. More in our guide to how long planning decisions take.
About householder applications
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.
Nearby applications
Within 500 metres
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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.
Granted Full applications Extension 27 docs -
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.
Granted Conditions 6 docs -
19 Lower Mall London W6 9DJ
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
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
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
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
Other householder applications
In Hammersmith and Fulham
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P/2026/01529/HH Granted
69 Filmer Road, London, SW6 7JF
The planning application relates to the erection of a rear roof extension; replacement of existing tiles with slates to front roof slope; installation of 3no. rooflights to the front roof slope; installation of solar panels at roof level; installation of new door and window to replace the existing door and window at ground floor level to the rear elevation; replacement of existing timber sash windows to the front elevation at ground and first floor level and replacement existing windows at first floor level to the rear elevation with double glazed windows; replacement/upgrade of existing front door; installation of air conditioning unit and air source heat pump in the rear elevation.
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P/2026/02363/HH Awaiting decision
11 Woolneigh Street, London, SW6 3AU
Erection of 3no dormer windows to replace the existing dormer window in the front roofslope; erection of a rear extension at second floor level over part of the existing back addition; installation of a new dormer with a single door and a Juliet balcony in the rear roofslope; erection of a single storey rear extension, to the side and rear of the existing back addition; installation of a new rooflight to replace the existing rooflight above the main flat roof at roof level; replacement of existing terrace screens comprising of obscured glazing and replace with new new 1.7m high obscure glazed screen to eastern elevation, new 1.1m high metal railings to southern and eastern perimeter of the rear back addition at second floor level; replacement of all existing windows with new double glazed timber framed windows (including 1no window relocated to the side of rear back addition at first floor level).
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P/2026/01121/HH Granted
The Old Coach House, 103A Devonport Road, London, W12 8PB
Erection of an additional floor at roof level.
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P/2026/02327/HH Awaiting decision
36 Foxglove Street, London, W12 0QD
Erection of a single storey rear extension.
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P/2026/01453/FUL Granted
52 Mellitus Street, London, W12 0AS
Erection of a rear dormer roof extension (Amended description).