Planning application
2026/00136/FUL
Maisonette First And Second Floors, 9 Nasmyth Street, London, W6 0HA
Proposal
Erection of a rear roof extension involving an increase in the ridge height by 300mm; erection of a rear extension at first floor level on top of the existing back addition; installation of 3no rooflights in the front roofslope, 1no rooflight above the main flat roof at roof level and 2no rooflights above the roof of the first floor rear back addition; replacement of existing windows with new windows to rear and side elevations at upper ground floor level; replacement of existing sash windows to front and rear elevation with double glazed timber framed sash windows.
As published by the council, reference 2026/00136/FUL
Timeline
Dates from the published record
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19 Jan 2026
Received by Hammersmith and Fulham
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26 Jan 2026
Validated
Checked as complete and ready for consideration.
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27 Mar 2026
Decision issued: APPLICATION APPROVED
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24 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About full applications applications
How this application type works
A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.
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Other full applications applications
In Hammersmith and Fulham
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P/2026/01410/FUL Granted
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P/2026/01915/FUL Awaiting decision
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Replacement of all existing timber framed single glazed sliding sash windows with new timber framed double glazed sliding sash windows; replacement of existing doors with new doors.
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