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Planning application

17 Biscay Road, London, W6 8JW

Awaiting decision Hammersmith and Fulham P/2026/00649/CLE Certificate of Lawfulness Existing

Works: Extension

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Erection of a rear extension at second floor level, on top of the existing back addition.

As published by the council, reference P/2026/00649/CLE

Application record

Reference
P/2026/00649/CLE
Type
Certificate of Lawfulness Existing
Status
Pending As published: REGISTERED: Under Assessment
Received
5 Mar 2026
Validated
20 Mar 2026
Ward
Hammersmith Broadway
Postcode
W6 8JW

Site history

Applications at this address on the Hammersmith and Fulham register

This site has had 3 applications since 2025: 1 approved, 0 refused.

  • P/2026/01181/CLP Awaiting decision

    17 Biscay Road, London, W6 8JW

    Erection of a rear extension at second floor level, on top of the existing back addition.

    Submitted 5 Mar 2026 Lawful development
  • 2025/02971/FUL Granted

    17 Biscay Road, London, W6 8JW

    Erection of a rear roof extension; erection of a single storey rear extension to the side of the existing back addition; installation of 2no. rooflights in the front roofslope; and replacement of 2no. windows to the front elevation at first floor level with double-glazed sash windows.

    Decided 23 Jan 2026 Full applications

Timeline

Dates from the published record

  1. 5 Mar 2026

    Received by Hammersmith and Fulham

  2. 20 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 24 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 15 May 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

15 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 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 lawful development applications in a median of 68 days. More in our guide to how long planning decisions take.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 17 Biscay Road, London, W6 8JW

    2025/02971/FUL Submitted 24 Oct 2025 0.1 miles away

    Erection of a rear roof extension; erection of a single storey rear extension to the side of the existing back addition; installation of 2no. rooflights in the front roofslope; and replacement of 2no. windows to the front elevation at first floor level with double-glazed sash windows.

    Granted Full applications Extension Loft or dormer +1
    Small domestic
  • 17 Biscay Road, London, W6 8JW

    P/2026/01181/CLP Submitted 5 Mar 2026 0.1 miles away

    90% historically approved · decision due ~25 Jun

    Erection of a rear extension at second floor level, on top of the existing back addition.

    Awaiting decision Lawful development Extension 16 docs
  • 10 Yeldham Road, London, W6 8JE

    2025/03119/FUL Submitted 8 Nov 2025 0.1 miles away

    Replacement of all existing single glazed timber framed windows and doors with new double glazed timber framed windows and doors.

    Granted Full applications Windows or glazing
  • 26 Yeldham Road, London, W6 8JE

    2025/03120/FUL Submitted 8 Nov 2025 0.1 miles away

    Replacement of all existing single glazed timber framed windows and doors with new double glazed timber framed windows and doors.

    Granted Full applications Windows or glazing
  • Flat A Ground Floor, 2 Yeldham Road, London, W6 8JE

    2025/02895/FUL Submitted 17 Oct 2025 0.1 miles away

    Replacement of all existing single glazed timber windows with new double glazed timber windows at ground floor level.

    Granted Full applications Windows or glazing
  • 8 Biscay Road London W6 8JN

    2021/00175/FUL Submitted 20 Jan 2021 0.1 miles away

    98% historically approved · decision due ~18 Mar

    Erection of a rear roof extension; erection of a rear extension at second floor level, over part of the existing back addition; erection of a single storey rear extension, to the side of the existing back addition; installation of 2no. rooflights to the front roofslope; and replacement of a door with bi-folding doors to the rear elevation at ground floor level.

    Awaiting decision Full applications Extension Loft or dormer +1 17 docs
    Small domestic

In Hammersmith and Fulham

  • 11 Kempson Road, London, SW6 4PX

    Erection of a single storey outbuilding in the rear garden.

    Received 22 May, published by the council 24 Jul 2026 Lawful development
  • 58 Prothero Road, London, SW6 7LZ

    Erection of a rear roof extension; erection of a rear extension at second floor level, over part of the existing back addition; and installation of 3no. rooflights in the front roof slope.

    Received 3 Jul, published by the council 24 Jul 2026 Lawful development
  • 97 Flat 5,Addison Gardens,London,Hammersmith And Fulham,W14 0DT

    Continued use of part of the flat roof of the existing back addition at second floor level as a roof terrace.

    Received 12 Jun, published by the council 24 Jul 2026 Lawful development
  • P/2026/02241/CLP Awaiting decision

    33 Stephendale Road, London, SW6 2LT

    Erection of a rear extension at second floor level, on top of the existing back addition.

    Received 26 Aug, published by the council 4 Sep 2026 Lawful development
  • 13-15 Shepherd's Bush Green, London, W12 8PH

    Proposed use of part of the basement for ancillary bar/servery/reception/breakfast area in connection with existing C1 use at St Christopher's Inn.

    Received 26 Jun, published by the council 24 Jul 2026 Lawful development