Planning application
12 Ongar Road, London, SW6 1SJ
Works: Extension Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Non-material amendment to planning permission reference: 2023/02534/FUL dated 5th February 2024 for the "Erection of an additional floor together with the formation of a roof terrace at roof level; erection of a single storey rear extension, to the side and rear of the existing back addition at basement level; erection of an external staircase from basement to ground floor level at the rear of the property; infilling of 1no window at the side of rear back additions at ground and first floor level (northern elevation); installation of a new window to replace the existing window to the side of rear back addition, and replacement of existing doors with a new window to the rear of proposed bedroom 5 at basement level; replacement of selected windows with new double glazed windows, and relocation of 2no windows to southern and eastern elevation of the main building at no. 12 Ongar Road; erection of boundary wall and gates to Sedlescombe Road elevation." Amendments sought to allow retention ... read more
As published by the council, reference 2025/03553/NMAT
Application record
- Reference
- 2025/03553/NMAT
- Type
- Non-Material Amendment Submission
- Status
- Decided: APPLICATION APPROVED
- Decision
- APPLICATION APPROVED
- Received
- 22 Dec 2025
- Validated
- 2 Jan 2026
- Decided
- 3 Feb 2026
- Ward
- Lillie
- Postcode
- SW6 1SJ
Timeline
Dates from the published record
-
22 Dec 2025
Received by Hammersmith and Fulham
-
2 Jan 2026
Validated
Checked as complete and ready for consideration.
-
3 Feb 2026
Decision issued: APPLICATION APPROVED
-
24 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
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 grant of permission means
Hammersmith and Fulham granted permission on 3 February 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 amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 500 metres
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16 Ongar Road, London, SW6 1SJ
Variation of Condition 19 (cycle parking) and Condition 20 (refuse/recycling storage) and removal of Conditions 16, 17 and 18 (parking permits) of planning permission reference: 2020/00536/FUL dated 1st May 2020 for the "Conversion of first and second floor maisonette to use as two self-contained flats; erection of an additional floor, including the formation of a terrace to the front elevation; erection of a three storey rear extension at first, second and third floor levels, over part of the existing back addition". The amendments sought would allow the occupiers of the property to apply for a street parking permit and would acknowledge the implementation of the required cycle and refuse/recycling storage.
Granted Amendments New dwelling Extension 14 docs -
29 Ongar Road, London, SW6 1RL
Erection of a single storey rear extension, to the side and rear of the existing back addition at lower ground floor level; and alterations to the position of the external steps from lower ground level upto rear garden.
Granted Full applications Extension 17 docsSmall domestic -
88 Tamworth Street London SW6 1LE
98% historically approved · decision due ~18 Mar
Erection of a rear roof extension; installation of 2no rooflights in the front roofslope and 1no rooflight in the side roofslope of second floor rear back addition.
Awaiting decision Full applications Extension Loft or dormer 14 docs -
70 Tamworth Street, London, SW6 1LE
Erection of a rear roof extension; erection of a rear extension at second floor level, over part of the existing back addition; removal of part of the remaining pitched roof of the existing back addition at second floor level to form a roof terrace enclosed with a 1.7 metre high obscured glazed screen; installation of a door to the rear elevation of the proposed rear extension at second floor level to provide access to the proposed roof terrace; and installation of 2no. rooflights in the front roofslope.
Granted Full applications Extension Loft or dormer +1 17 docs -
70 Tamworth Street, London, SW6 1LE
Non-material amendment to planning permission reference: 2025/02237/FUL dated 16th October 2025 for the "Erection of a rear roof extension; erection of a rear extension at second floor level, over part of the existing back addition; removal of part of the remaining pitched roof of the existing back addition at second floor level to form a roof terrace enclosed with a 1.7 metre high obscured glazed screen; installation of a door to the rear elevation of the proposed rear extension at second floor level to provide access to the proposed roof terrace; and installation of 2no. rooflights in the front roofslope." Amendment sought is the raising of the height of the approved rear extension at second floor level to the same height as the approved rear roof extension.
Granted Amendments Extension Loft or dormer +1 5 docs -
1 - 5 St Oswalds Studios Sedlescombe Road London SW6 1RH
98% historically approved · decision due ~13 Aug
Erection of an additional floor at roof level in connection with the creation of plant rooms comprising of air source heat pumps, creation of roof terraces with new screenings and installation solar panels at roof level; partial demolition of frontage of the studios and installation of new glazing to the front elevations, amalgamation of the disabled bathroom to be used as part of unit 1 and infilling of the external door to the front side of bathroom; installation of new part obscure glazed and part clear glazing windows to replace the existing windows to the southern and northern elevation, and bricking up of 2no ventilation panels to the southern elevation of unit 1; alterations to the front and rear fenestrations of the building.
Awaiting decision Full applications Demolition Windows or glazing 18 docs
Other amendment applications
In Hammersmith and Fulham
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P/2026/02105/NMAT Granted
26 Sedlescombe Road, London, SW6 1RD
Non-material amendment to planning permission ref:2026/00143/FUL granted 10th April 2026 for the 'Erection of a single storey rear extension, to the side and rear of the existing back addition following partial demolition of the lower ground floor back addition; demolition of the existing chimney stack above the roof of first floor rear back addition; replacement of existing uPVC framed windows with new double glazed timber framed windows at first floor level to the side and rear elevations'. Amendments sought to allow the extension walls to be constructed with London Yellow stock instead of red bricks as approved in the consent 2026/00143/FUL
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P/2026/02358/NMAT Awaiting decision
13 Ashington Road, London, SW6 3QJ
Non-material amendment to planning permission reference: 2023/01734/FUL dated 26th September 2023 for the "Erection of a rear extension at second floor level, over part of the existing back addition; installation of a rooflight, on top of the main flat roof at roof level; installation of a new window following the removal of existing, to the rear elevation of existing rear roof extension." Amendments sought to include; removal and infilling of 1no. existing window at second-floor level to the rear elevation; addition of 1no. new double-glazed timber sash window at second-floor level to the rear elevation, aligned with the existing window below; omission of 1no. approved window from the rear elevation; re-sizing and repositioning of 1no. approved rooflight on the main flat roof; addition of 1no. rooflight to the main flat roof; and omission of 1no. approved rooflight from the pod flat roof.
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P/2026/01466/NMAT Granted
12 Flat A Basement,Coverdale Road,London,Hammersmith And Fulham,W12 8JL
Non-material amendment to planning permission ref: 2024/01570/FUL granted 21st August 2024 for the 'Erection of a single storey rear extension to the side of the existing back addition; installation of a new window to replace the existing door at lower ground floor level to the rear elevation' to allow amendments to the rear elevation of the lower ground floor extension to include the installation of timber framed double glazed French doors in place of aluminium framed bi-folding doors to the rear of kitchen, the installation of a timber framed double glazed single door in place of the window to the rear of bedroom 2 and the omission of parapet to north/ side elevation (revised description).
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P/2026/02099/NMAT Granted
95 Flat Second Floor,Edith Road,London,Hammersmith And Fulham,W14 0TJ
Non-material amendment to planning permission ref: 2021/03989/FUL granted 14th April 2023 for the 'Replacement of the existing metal railings on the rear-side elevations with 1.7m high obscure-glazed screening; upgrading the existing metal railings on the rear elevation to increase the height to 1.1m from the new floor level at second floor level; and the installation of new timber decking to the existing second floor roof terrace' to allow amendments to the approved drawings to include: retention and upgrading the existing metal balustrades with the previously approved 1.7m high obscure-glazed screening to be installed behind the retained balustrades.
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P/2026/02318/NMAT Awaiting decision
Flat B, 8 Ellerslie Road, London, W12 7BW
Non-material amendments to planning permission reference: 2024/02834/FUL dated 4th February 2025 for the "Erection of an additional floor at roof level including the formation of a roof terrace at second floor level to the front elevation." Amendments sought are alterations to the internal layout, installation of a velux rooflight in the rear mansard roof elevation, and formation of two rooflights in the flat roof of the mansard roof extension.