Proposal
Conversion of roofspace to habitable use to include a rear dormer and two side roof lights and enlargement of existing rear portion of main roof by extending ridge length. Repositioning of first floor rear windows and two new rooflights. (Application for a Certificate of Lawful Development for a Proposed Development)
As published by the council, reference 75930/APP/2022/3493
Timeline
Dates from the published record
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16 Nov 2022
Received by Hillingdon
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24 Mar 2023
Decision issued: Permitted
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30 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.
Nearby applications
Within 500 metres
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75930/APP/2026/578 Decided
129 EVELYN AVENUE RUISLIP HA4 8AD
Variation of Condition 2 (Approved Plans) of planning permission ref. 75930/APP/2023/1526, dated 04-08-2023 (Erection of a single storey front extension to garage and a first floor side extension including 3 no. roof lights. Conversion of roofspace to habitable use to include a rear dormer and two side roof lights and enlargement of existing rear portion of main roof by extending ridge length. Repositioning of first floor rear windows and two new rooflights. Erection of single storey and two storey rear extensions with skylights. Installation of skylights to existing side extension. Erection of front porch canopy. Rendering of front elevation and replacement windows in side elevation) to amend the number of windows and rooflights.
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49461/APP/2025/3009 Decided
ST MARTINS CAR PARK AND FORMER RUISLIP CAB ST MARTINS APPROACH RUISLIP HA4 8BD
Erection of 6 dwellinghouses with associated landscaping, access and parking, following the partial redevelopment of the St Martins Approach public car park for residential use. Reconfiguration and retention of public car parking, including the provision of replacement public parking within the former Citizens Advice Bureau (CAB) site and the Winston Churchill Theatre car park, together with associated resurfacing and re-marking of parking bays (Amended Plans and Amended Description).
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14226/APP/2025/3062 Decided
54 HIGH STREET RUISLIP HA4 7AT
Change of use of part ground and the first floor from a Financial and Professional Services (Use Class E (c)) to Residential. Erection of rear dormers, raising of the roof ridge on the rear section of the building and installation of 7no. roof lights and associated fenestration changes, private balconies, together with bike and bin storage to provide an additional floor of residential (Total 5 flats Use Class C3)
Other full applications applications
In Hillingdon
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80130/APP/2026/1476 Granted
National Grid 66kV Compound NORTH HYDE GARDENS HAYES UB3 4QQ
Installation of two new transformer bays within the existing North Hyde Substation (National Grid 66kV compound).
-
80085/APP/2026/1376 Granted
9 LAWRENCE DRIVE ICKENHAM UB10 8RN
Erection of single storey wrap-around extension comprising a rear extension and a side extension following demolition of the existing side garage,
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80132/APP/2026/1519 Granted
90 WHITETHORN AVENUE YIEWSLEY UB7 8LA
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
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80114/APP/2026/1390 Granted
46 HUNTERS GROVE HAYES UB3 3JE
Erection of a single storey rear extension.
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20610/APP/2026/872 Granted
UNION WHARF BENTINCK ROAD WEST DRAYTON MIDDLESEX UB7 7RP
Replacement of external materials from spandrel panels to non-combustible alternative (aluminium spandrel panels, replacement of two timber soffits at rear to non-combustible material.