Planning application
23, Winchester Road, Twickenham, TW1 1LE
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Two rear dormer roof extensions and rooflights to the front elevation.
As published by the council, reference PA26/0266
Application record
- Reference
- PA26/0266
- Type
- Section 192 Permitted Development
- Status
- Decided
- Decision
- Granted Permission
- Received
- 28 Jan 2026
- Validated
- 28 Jan 2026
- Decided
- 19 Mar 2026
- Ward
- St. Margarets & North Twickenham Ward [SMN]
- Decision by
- Delegated Decision
- Postcode
- TW1 1LE
Site history
Applications at this address on the Richmond upon Thames register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
PA25/4319 Granted
23, Winchester Road, Twickenham, TW1 1LE
Existing use of the property as a single dwellinghouse.
Timeline
Dates from the published record
-
28 Jan 2026
Received by Richmond upon Thames
-
19 Mar 2026
Decision issued: Granted Permission
-
13 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
8 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
Richmond upon Thames granted permission on 19 March 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 prior approval applications
Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
23, Winchester Road, Twickenham, TW1 1LE
Existing use of the property as a single dwellinghouse.
Granted Lawful development 9 docsDomestic -
21 and 23 Winchester Road, Twickenham
79% historically approved · decision due ~30 Oct
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.
Awaiting decision Full applications Extension Loft or dormer 8 docs -
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 -
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 -
39 Winchester Road Twickenham TW1 1LE
Rear roof & outrigger dormer extensions, rooflights to existing roof.
Granted Prior approval Extension Loft or dormer 13 docs
Other prior approval applications
In Richmond upon Thames
-
PA26/2437 Granted
119 Hampton Road Twickenham TW2 5QN
Erection of a single-storey rear extension and associated internal alterations.
-
PA26/2424 Granted
45 Selkirk Road Twickenham
Flat roof rear box dormer extension with wall tiles to match existing roof.
-
PA26/2409 Granted
15 Tudor Road Hampton TW12 2NH
Proposed single storey rear extension and rear ground floor opening alterations.
-
PA26/2615 Granted
30, Jubilee Avenue, Twickenham, TW2 6JB
Loft conversion with roof extension and proposed out building in the rear garden.
-
PA26/3058 Awaiting decision
253, Staines Road, Twickenham, TW2 5AY
Prior approval for larger household extension (6m depth, 2.3m eaves height, 4m overall height)