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Planning application

P/2026/01195/CLP

20 Valliere Road, London, NW10 6AJ

Awaiting decision Hammersmith and Fulham Certificate of Lawfulness Proposed

Proposal

Erection of a rear roof extension; erection of a rear extension at second floor level over part of the existing back addition; installation of 3no rooflights in the front roofslope and 1no rooflight above the main flat roof at roof level.

As published by the council, reference P/2026/01195/CLP

Timeline

Dates from the published record

  1. 7 Apr 2026

    Received by Hammersmith and Fulham

  2. 4 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 24 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Hammersmith and Fulham for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • P/2026/00930/HH Awaiting decision

    20 Valliere Road, London, NW10 6AJ

    Erection of a single storey rear extension, to the side and rear of the existing back addition; installation of new bi-folding doors at ground floor level to the rear elevation; installation of a new window opening to the side of ground floor rear back addition.

    7 Apr 2026 0m away Householder
  • 853 - 857 Harrow Road,London,NW10 5NH

    Non-material amendment to planning permission reference: 2021/02206/FUL dated 5th November 2025 for the "Change of use of the first, second, third and part of ground floor level from student accommodation (Class Sui Generis) into short term temporary residential accommodation (Class Sui Generis) - (Retrospective)". Amendment to wording of description to read as follows: "Change of use of the first, second, third and part of ground floor level into short term temporary residential accommodation (Class Sui Generis)."

    6 May 2026 35m away Amendments
  • P/2026/00817/HH Granted

    1 Valliere Road, London, NW10 6AL

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

    21 Mar 2026 58m away Householder
  • 2025/02421/DET Awaiting decision

    831B Harrow Road, London, NW10 5NH

    Submission of details of preliminary risk assessment report pursuant to condition 4; site investigation scheme pursuant to condition 5; quantitative risk assessment report pursuant to condition 6; remediation method statement pursuant to condition 7; verification report pursuant to condition 8; onward long-term monitoring methodology report pursuant to condition 9; external noise levels including reflected and re-radiated noise and details of the sound insulation of the building envelope, orientation of habitable rooms away from major noise sources and of acoustically attenuated mechanical ventilation as necessary to achieve internal room and (if provided) external amenity noise standards pursuant to condition 10; sound insulation of the floor/ ceiling/ walls separating the commercial part(s) of the premises from the proposed dwellings pursuant to condition 11; enhanced sound insulation value DnT,w and L'nT,w of at least 5dB above the Building Regulations value, for the floor/ceiling/w... read more

    8 Sep 2025 71m away Conditions
  • 2025/02740/PMA56 Awaiting decision

    831 Harrow Road, London, NW10 5NH

    Change of use of the front part of the ground floor unit from a barber shop (Class E) into a one bedroom self-contained residential flat (Class C3).

    5 Oct 2025 80m away Prior approval
  • 2016/05328/FUL Awaiting decision

    Flat A Ground Floor 1 Kenmont Gardens London NW10 6BX

    Erection of a single storey rear extension to the side of the existing back addition, replacing the existing conservatory; installation of bi-folding doors on the rear elevation at ground floor level, replacing existing window; and installation of 2no. windows to the flank elevation of the main building at ground floor level.

    18 Jan 2017 102m away Full applications

In Hammersmith and Fulham

  • 64A Ormiston Grove, London, W12 0JS

    Continued use of the second floor level and front part of the first floor level as four self-contained studio flats (Amended description).

    28 Apr 2026 Lawful development
  • P/2026/01877/CLP Awaiting decision

    Land Adjacent To West Kensington Underground Station West Cromwell Road London

    Minor alterations to the design of the support leg for the consented advertisement scheme.

    23 Jul 2026 Lawful development
  • Larmenier And Sacred Heart Catholic Primary School, 41A Brook Green, London, W6 7BL

    Installation of a fixed glazed window with a perforated vent panel to the north elevation at first floor level.

    15 May 2026 Lawful development
  • 14 Sterndale Road, London, W14 0HS

    Erection of a single storey rear extension at ground floor level.

    20 Apr 2026 Lawful development
  • 18A Jerdan Place, London, SW6 1BH

    Change of use of existing 3 bedroom maisonette flat to a small House of Multiple Occupation (HMO - Use Class C4) for up to 5 people.

    8 May 2026 Lawful development