Planning application
64 FIRST AVENUE MORTLAKE LONDON SW14 8SR
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
Outrigger roof extension, new rooflight to existing rear dormer, and replacement rooflights to front roof slope.
As published by the council, reference PA26/3077
Application record
- Reference
- PA26/3077
- Type
- Section 192 Permitted Development
- Status
- Registered
- Received
- 4 Sep 2026
- Validated
- 7 Sep 2026
- Ward
- Mortlake & Barnes Common Ward [MRB]
- Postcode
- SW14 8SR
Site history
Applications at this address on the Richmond upon Thames register
This site has had 3 applications since 2026: 1 approved, 1 refused.
-
PA26/3078 Granted
64 FIRST AVENUE MORTLAKE LONDON SW14 8SR
The demolition of the existing ground floor rear extension, construction of replacement ground floor rear extension and replacement windows to the rear of the property.
-
PA26/2227 Refused
64 First Avenue Mortlake London SW14 8SR
The demolition of the existing ground floor rear extension, construction of replacement ground floor rear extension, new roof extension to existing flat roof of first floor outrigger with juliet balcony, and replacement windows to the rear of the property.
Timeline
Dates from the published record
-
4 Sep 2026
Received by Richmond upon Thames
-
7 Sep 2026
Validated
Checked as complete and ready for consideration.
-
12 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 2 November 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
7 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 prior approval applications in a median of 43 days. More in our guide to how long planning decisions take.
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
-
64 FIRST AVENUE MORTLAKE LONDON SW14 8SR
The demolition of the existing ground floor rear extension, construction of replacement ground floor rear extension and replacement windows to the rear of the property.
Granted Householder Extension Demolition +1 12 docsDomestic -
64 First Avenue Mortlake London SW14 8SR
The demolition of the existing ground floor rear extension, construction of replacement ground floor rear extension, new roof extension to existing flat roof of first floor outrigger with juliet balcony, and replacement windows to the rear of the property.
Refused Householder Extension Roofing +2 12 docsDomestic -
66 First Avenue Mortlake London SW14 8SR
The proposed works relate to alterations to the rear glazing and glass roof of the existing ground floor side infill extension and the erection of a rear dormer extension at loft level above the two-storey rear outrigger to a terraced house.
Refused Householder Extension Loft or dormer +1 22 docsDomestic -
85 Second Avenue Mortlake Richmond Upon Thames SW14 8QF
Single storey rear extension (amendment to extension already approved).
Granted Householder Extension 6 docsSmall domestic -
85 Second Avenue Mortlake Richmond Upon Thames SW14 8QF
Single storey rear side extension.
Granted Householder Extension 11 docsSmall domestic -
65 First Avenue Barnes Richmond Upon Thames SW14 8SP
Loft extension with rear dormer
Refused Householder Extension Loft or dormer 6 docsDomestic
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).