Planning application
16-18 Thornfield Road, London, W12 8JG
Works: New dwelling
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Continued use as 4no. self-contained residential flats, consisting of Flat B at first floor level, Flat C at ground and first floor level rear right, Flat D at basement floor level right and Flat E at basement level left.
As published by the council, reference P/2026/00651/CLE
Application record
- Reference
- P/2026/00651/CLE
- Type
- Certificate of Lawfulness Existing
- Status
- Decided: REFUSE
- Decision
- REFUSE
- Received
- 6 Mar 2026
- Validated
- 10 Apr 2026
- Decided
- 1 May 2026
- Ward
- Coningham
- Postcode
- W12 8JG
Timeline
Dates from the published record
-
6 Mar 2026
Received by Hammersmith and Fulham
-
10 Apr 2026
Validated
Checked as complete and ready for consideration.
-
1 May 2026
Decision issued: REFUSE
-
24 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
18 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 this refusal means
Hammersmith and Fulham refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.
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 500 metres
-
Flat D Second Floor 51 St Stephen's Avenue London W12 8JB
Non-material amendment to planning permission reference: 2018/02729/FUL dated 9th October 2018 for the "Installation of a new door and window to rear elevation at second floor level and erection of metal railings in connection with its use as a roof terrace; installation of a rooflight at second floor level in main roof to rear elevation." Amendments sought are the replacement of the door and window to the rear elevation at second floor with a bi-fold glazed aluminium door; and the moving of the new internal stairs towards the upper landing to achieve a greater distance from the existing window.
Granted Amendments Loft or dormer Windows or glazing 12 docs -
Flat First Floor, 56 Godolphin Road, London, W12 8JF
Erection of an external staircase from rear dormer to flat roof of back addition, erection of obscure glazed screens and timber fencing around the flat roof of back addition at second floor level to the rear elevation in connection with its use as a terrace.
Withdrawn Full applications Loft or dormer Windows or glazing 18 docs -
41 St Stephen's Avenue London W12 8JB
97% historically approved · decision due ~30 Oct
T1 Common Horse Chestnut, front garden - Re-pollard back to previous pollard points by approx. 1-2m - Remove all epicormic growth.
Awaiting decision Trees 4 docs -
59 St Stephen's Avenue London W12 8JA
Erection of a rear roof extension involving an increase in the ridge height by 250mm; erection of a single storey rear extension at lower ground floor level; conversion from a house in multiple occupation into 1no. self-contained two bedroom flat, 2no. self-contained one bedroom flats and 1no. self-contained studio flat.
Granted Full applications New dwelling Extension +1 39 docsSmall domestic -
Flat A Basement, 61 St Stephen's Avenue, London, W12 8JA
98% historically approved · decision due ~30 Sep
Erection of a single storey rear extension following the demolition of existing single storey rear conservatory, to the rear of existing back addition; raising the height and elongation of the rear garden boundary wall adjoining neighbouring property at no.63; lowering of the rear garden floor level to form a new patio area; associated alterations and rear landscaping.
Awaiting decision Full applications Extension Demolition 9 docsSmall domestic -
57 Devonport Road London W12 8PB
Pruning of a Sycamore tree (T4) in rear garden subject to Tree Preservation Order TPO/287/6/00, by reducing the crown radially by 3m creating a new and formal shape.
Awaiting decision Trees 6 docs
Other lawful development applications
In Hammersmith and Fulham
-
P/2026/01697/CLP Granted
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.
-
P/2026/01511/CLE Granted
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.
-
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.
-
P/2026/01635/CLP Granted
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.
-
P/2026/00959/CLP Granted
159 Percy Road, London, W12 9QJ
Erection of a hip-to-gable rear roof extension with rear mansard roof and two rear dormers; installation of 1no. rooflight to the front roof slope and 1no. rooflight to the rear mansard; installation of an additional window to the flank elevation; and replacement to 1no existing casement window to the ground floor front elevation.