Planning application
19 Copthall Gardens Twickenham TW1 4HH
Works: Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
L-Shaped Dormer Loft conversion and installation of three roof lights on the front roof slope
As published by the council, reference PA26/0509
Application record
- Reference
- PA26/0509
- Type
- Section 192 Permitted Development
- Status
- Decided
- Decision
- Granted Permission
- Received
- 16 Feb 2026
- Validated
- 16 Feb 2026
- Decided
- 9 Mar 2026
- Ward
- Twickenham Riverside Ward [TRW]
- Decision by
- Delegated Decision
- Postcode
- TW1 4HH
Site history
Applications at this address on the Richmond upon Thames register
This site has had 2 applications since 2026: 2 approved, 0 refused.
-
PA26/1624 Granted
19, Copthall Gardens, Twickenham, TW1 4HH
Removal of existing extension and construction of a new single storey rear extension.
Timeline
Dates from the published record
-
16 Feb 2026
Received by Richmond upon Thames
-
9 Mar 2026
Decision issued: Granted Permission
-
13 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
14 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 9 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
-
19, Copthall Gardens, Twickenham, TW1 4HH
Removal of existing extension and construction of a new single storey rear extension.
Granted Householder Extension 10 docsSmall domestic -
23, Copthall Gardens, Twickenham, TW1 4HH
87% historically approved · decision due ~22 Sep
Certificate of Lawful Development for the construction of a rear roof dormer and the installation of three rooflights.
Awaiting decision Prior approval Loft or dormer 18 docs -
24 Copthall Gardens Twickenham TW1 4HJ
Variation of condition U0180923 Approved Drawings of planning permission 24/0480/HOT to allow for increase in height and reduced width of proposed extension.
Granted Amendments Extension 7 docs -
32 Copthall Gardens Twickenham Richmond Upon Thames TW1 4HJ
Erection of single storey rear extension.
Granted Householder Extension 6 docsSmall domestic -
5 Copthall Gardens Twickenham TW1 4HH
Single storey rear extension
Granted Householder Extension 10 docsSmall domestic -
38 Copthall Gardens Twickenham Richmond Upon Thames TW1 4HJ
Single storey side extension.
Granted Householder Extension 10 docsSmall domestic
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)