Planning application
147, Lower Mortlake Road, Richmond, TW9 2LP
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Loft conversion with rear dormer window and roof extension over rear back addition.
As published by the council, reference PA26/0616
Application record
- Reference
- PA26/0616
- Type
- Section 192 Permitted Development
- Status
- Decided
- Decision
- Granted As published: Granted Permission
- Received
- 23 Feb 2026
- Validated
- 25 Feb 2026
- Decided
- 24 Mar 2026
- Ward
- North Richmond Ward [NRR]
- Decision by
- Delegated Decision
- Postcode
- TW9 2LP
Site history
Applications at this address on the Richmond upon Thames register
This site has had 2 applications since 2026: 2 approved, 0 refused.
-
PA26/0619 Granted
147, Lower Mortlake Road, Richmond, TW9 2LP
Single storey rear/side extension.
Timeline
Dates from the published record
-
23 Feb 2026
Received by Richmond upon Thames
-
25 Feb 2026
Validated
Checked as complete and ready for consideration.
-
24 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Richmond upon Thames granted permission on 24 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 0.3 miles
-
147, Lower Mortlake Road, Richmond, TW9 2LP
Single storey rear/side extension.
Granted Householder Extension 9 docsSmall domestic -
139 Lower Mortlake Road Richmond TW9 2LP
Rear dormer roof extension to rear roof slope and roof to outrigger and 3no. rooflights to front elevation.
Granted Prior approval Extension Loft or dormer 14 docs -
139 Lower Mortlake Road Richmond TW9 2LP
Single-storey side/rear extension.
Granted Householder Extension 19 docsSmall domestic -
32 Beaumont Avenue Richmond Richmond Upon Thames TW9 2HE
Erection of dormer windows to rear roof slopes.
Granted Prior approval Loft or dormer Windows or glazing 6 docs -
32 Beaumont Avenue Richmond Richmond Upon Thames TW9 2HE
Loft extension with rear dormer and front rooflights.
Granted Prior approval Extension Loft or dormer 13 docs -
129 Lower Mortlake Road Richmond TW9 2LP
86% historically approved · decision due ~3 Dec
Conversion of existing loftspace into habitable rooms with dormers to rear over main house and offshot
Awaiting decision Prior approval Loft or dormer 6 docs
Other prior approval applications
In Richmond upon Thames
-
PA26/2683 Granted
3, Pauline Crescent, Twickenham, TW2 6JD
Single storey rear extension
-
PA26/3420 Awaiting decision
129 Lower Mortlake Road Richmond TW9 2LP
Conversion of existing loftspace into habitable rooms with dormers to rear over main house and offshot
-
PA26/3160 Granted
2A Station Road Hampton Wick Middlesex KT1 4HG
Repair of the front dormer cheeks, involving the replacement of the existing hanging slates with traditional lead.
-
PA26/3423 Awaiting decision
95 Selkirk Road Twickenham TW2 6PT
Construction of single storey rear extension, 4.3m in depth, 3m in height and 3m in height to eaves.
-
PA26/3389 Awaiting decision
39, Shacklegate Lane, Teddington, TW11 8SF
The existing 4.55 m deep ground-floor rear extension is to be extended by 1.45 m. The existing pitched roof will also be extended, with the overall height remaining unchanged (6m overall depth, 2.41m eaves height, 3.78m overall height).