Planning application
21 and 23 Winchester Road, Twickenham
Works: Extension Loft or dormer
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Raising of the ridge and eaves, replacement of front and rear roof slopes and the erection of rear dormer extensions to the rear roof slope and outrigger to each property, and rooflights to the front roof slopes.
As published by the council, reference PA26/3051
Application record
- Reference
- PA26/3051
- Type
- Full Application
- Status
- Registered
- Received
- 2 Sep 2026
- Validated
- 4 Sep 2026
- Ward
- St. Margarets & North Twickenham Ward [SMN]
Timeline
Dates from the published record
-
2 Sep 2026
Received by Richmond upon Thames
-
4 Sep 2026
Validated
Checked as complete and ready for consideration.
-
8 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 30 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Richmond upon Thames took a median of 46 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
9 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Richmond upon Thames for determination, against a statutory target of eight weeks. Over the last year Richmond upon Thames decided full applications in a median of 74 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
21 Winchester Road Twickenham TW1 1LE
L-shape rear dormer roof extensions. Rooflights to front elevation.
Granted Prior approval Extension Loft or dormer 8 docs -
21 Winchester Road Twickenham TW1 1LE
Demolish rear conservatory and replace with full-width rear single-storey extension; replacement of side infill extension and an extension at 1st Floor level
Granted Householder Extension Demolition 18 docsSmall domestic -
23, Winchester Road, Twickenham, TW1 1LE
Two rear dormer roof extensions and rooflights to the front elevation.
Granted Prior approval Extension Loft or dormer 8 docs -
23, Winchester Road, Twickenham, TW1 1LE
Existing use of the property as a single dwellinghouse.
Granted Lawful development 9 docsDomestic -
31 - 33 Winchester Road Twickenham Richmond Upon Thames TW1 1LE
Proposal involving: 1. Change of use from business (B1) to residential (C3) at ground floor of 33. 2. Loft conversion and rear extension to 33. 3. Demolition of garage and MOT facility at 31 - to be replaced by a 2-storey building incorporating offices (B1) at ground, 1st floor and roof level.
Withdrawn Full applications Extension Loft or dormer +1 12 docs -
33 Winchester Road Twickenham Richmond Upon Thames TW1 1LE
Proposal involving 1. Demolition of garage and MOT facility, retention of existing `house. 2. Conversion of house and associated land from busines to residential. 3. Loft conversion, rear extension and new bay to existing house and 4. construct new house on land adjacent t No.33.
Withdrawn Full applications Extension Loft or dormer +1 11 docs
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