Planning application
3 Thurleigh Avenue SW12 8AN
Works: Extension Demolition
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Alterations including erection of a first floor rear extension; Demolition of existing rear extension and erection of 2x two storey rear/side extensions at lower ground and ground floors.
As published by the council, reference 2026/3213
Application record
- Reference
- 2026/3213
- Status
- REGISTERED
- Received
- 10 Sep 2026
- Validated
- 8 Sep 2026
- Ward
- Balham
- Postcode
- SW12 8AN
Comment by 1 October 2026
The council is taking comments on this application until then. Comments go to Wandsworth through their own planning portal.
Site history
Applications at this address on the Wandsworth register
This site has had 2 applications since 2026.
-
2026/2759 Awaiting decision
3 Thurleigh Avenue SW12 8AN
Alerations including erection of dormer roof extension to main rear roof.
Timeline
Dates from the published record
-
8 Sep 2026
Validated
Checked as complete and ready for consideration.
-
10 Sep 2026
Received by Wandsworth
-
10 Sep 2026
Added to PlanIndex
-
10 Sep 2026
Status changed to REGISTERED
Previously NEW.
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Decision
Awaiting decision
Decision expected by 3 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Wandsworth took a median of 61 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
WS Planning & Architecture Agent, an architecture practice
157 applications on PlanIndex · across 45 councils · 70% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
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 happens while it is decided
This application is with Wandsworth for determination, against a statutory target of eight weeks. Over the last year Wandsworth's median decision took 61 days. More in our guide to how long planning decisions take.
About this record
The published feed does not state which type of application this is; the register entry on Wandsworth's portal will say. Our guide explains the common types.
Nearby applications
Within 500 metres
-
3 Thurleigh Avenue SW12 8AN
89% historically approved · decision due ~7 Oct
Alerations including erection of dormer roof extension to main rear roof.
Awaiting decision Extension Loft or dormer -
20 Thurleigh Avenue SW12 8AW
Variation of condition 2 pursuant to planning permission dated 22/11/2023 ref 2023/4388 (Alterations including erection of a hip to gable extension to main roof with dormer extension to rear roof. Erection of a ground floor side/rear extension and first floor side extension with roof extension over. Insertion of windows to ground floor front elevation in connection with use of garage as additional habitable accommodation.) to allow the addition of sliding doors to the rear elevation, removal of ground floor rear extension and replacement of conservatory like for like, retention of garage door, installation of side first floor window and change to the dormer from cladding to wall-hung concrete tiles.
Granted Amendments Extension Loft or dormer +1 7 docs -
5 Holmside Road SW12 8RJ
Alterations including roof extension of existing outbuilding ancillary to the main dwelling house.
Granted Householder Extension 7 docsSmall domestic -
14 Nightingale Lane SW12 8TB
Alterations including erection of hip-to-gable rear roof extension with dormers to side roofslopes; Erection of single storey outbuilding in rear garden to be used as granny annex; Removal of side vehicle access gate to be replaced with timber fencing and removal of dividing wall in rear garden.
Granted Householder Extension Loft or dormer 26 docsSmall domestic -
14 Nightingale Lane SW12 8TB
Alterations including erection of hip-to-gable rear roof extension with dormers to side roofslopes; Erection of a single storey outbuilding to rear garden.
Withdrawn Householder Extension Loft or dormer 22 docsSmall domestic -
Flat 2 129 Thurleigh Road SW12 8TX
Alterations including erection of single-storey rear/side extension. Installation of side windows.
Granted Full applications Extension Windows or glazing 5 docsSmall domestic