Planning application
129 EVELYN AVENUE RUISLIP HA4 8AD
Works: Extension Loft or dormer Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Details pursuant to the discharge of Condition 3 (Materials) 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.)
As published by the council, reference 75930/APP/2026/427
Application record
- Reference
- 75930/APP/2026/427
- Status
- Approval
- Received
- 18 Feb 2026
- Postcode
- HA4 8AD
Site history
Applications at this address on the Hillingdon register
This site has had 3 applications since 2022: 1 approved, 0 refused.
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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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75930/APP/2022/3493 Granted
129 EVELYN AVENUE RUISLIP HA4 8AD
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)
Timeline
Dates from the published record
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18 Feb 2026
Received by Hillingdon
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7 Aug 2026
Added to PlanIndex
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Decision
Awaiting decision
Decision expected by 15 April 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Hillingdon took a median of 58 days over the applications it decided in the last year.
What happens while it is decided
This application is with Hillingdon for determination, against a statutory target of eight weeks. Over the last year Hillingdon's median decision took 58 days. More in our guide to how long planning decisions take.
About this record
The published feed does not state which type of application this is; the register entry on Hillingdon's portal will say. Our guide explains the common types.
Nearby applications
Within 500 metres
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129 EVELYN AVENUE RUISLIP HA4 8AD
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)
Granted Full applications Loft or dormer Windows or glazing 13 docs -
9 BLAYDON CLOSE RUISLIP HA4 8AD
Single storey front extension
Refused Full applications Extension 6 docsSmall domestic -
129 EVELYN AVENUE RUISLIP HA4 8AD
87% historically approved · decision due ~1 May
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.
Decided Full applications Extension Loft or dormer +1 2 docsSmall domestic -
2 & 4 MANOR WAY RUISLIP HA4 8HD
Erection of two storey rear extension, the conversion from 2 x dwellinghouse into 4 x 1-bed flats, 1 x roof light on each side elevation, all following the demolition of rear extensions and detached garages
Granted Full applications New dwelling Extension +2 13 docsDomestic -
25 KINGS COLLEGE ROAD RUISLIP HA4 7JY
86% historically approved · decision due ~28 Oct
Erection of double storey outbuilding with a pitched roof, following the demolition of the existing outbuilding.
Awaiting decision Demolition -
12 NORTH DRIVE RUISLIP HA4 8EZ
Erection of first floor side and rear extensions. Conversion of roof space to habitable use to include a rear dormer, increase in ridge height. Erection of a porch.
Granted Full applications Extension Loft or dormer +1 5 docsSmall domestic