Planning application
23 Sanderstead Avenue London NW2 1SE
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres.
As published by the council, reference 25/3987/PNH
Application record
- Reference
- 25/3987/PNH
- Type
- Prior Notification (Householder)
- Status
- Pending Consideration
- Received
- 1 Oct 2025
- Validated
- 2 Oct 2025
- Ward
- Childs Hill
- Postcode
- NW2 1SE
Site history
Applications at this address on the Barnet register
This site has had 4 applications since 2025.
-
26/1701/HSE Awaiting decision
23 Sanderstead Avenue London NW2 1SE
Single storey side and rear extensions. Roof extension involving 2no. front dormer windows
-
25/4880/HSE Awaiting decision
23 Sanderstead Avenue London NW2 1SE
Single storey side and rear extensions following demolition of the existing garage. Roof extension involving enlargement of the rear dormer window and 2no. front dormer windows
-
25/4525/PNH Awaiting decision
23 Sanderstead Avenue London NW2 1SE
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres. (AMENDED PLANS)
Timeline
Dates from the published record
-
1 Oct 2025
Received by Barnet
-
2 Oct 2025
Validated
Checked as complete and ready for consideration.
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 27 November 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Barnet took a median of 43 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Agent on file, a planning consultancy registered in London
151 applications on PlanIndex · across 13 councils · 84% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
6 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 Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided prior approval applications in a median of 36 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 500 metres
-
23 Sanderstead Avenue London NW2 1SE
77% historically approved · decision due ~1 Jul
Single storey side and rear extensions. Roof extension involving 2no. front dormer windows
Awaiting decision Householder Extension Loft or dormer +1 6 docsSmall domestic -
23 Sanderstead Avenue London NW2 1SE
77% historically approved · decision due ~11 Feb
Single storey side and rear extensions following demolition of the existing garage. Roof extension involving enlargement of the rear dormer window and 2no. front dormer windows
Awaiting decision Householder Extension Loft or dormer +2 5 docsSmall domestic -
23 Sanderstead Avenue London NW2 1SE
58% historically approved · decision due ~8 Jan
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres. (AMENDED PLANS)
Awaiting decision Prior approval Extension 7 docsSmall domestic -
20 Sanderstead Avenue London NW2 1SG
77% historically approved · decision due ~30 Jun
Single storey side and rear extension with 2no. rooflights and new patio area. Roof extension involving side and rear dormer window
Awaiting decision Householder Extension Loft or dormer +1 9 docsSmall domestic -
60A Purley Avenue London NW2 1SB
95% historically approved · decision due ~9 Dec
Submission of details of condition 12 (Pre-completion Sound Insulation Test Certificates) pursuant to planning permission 22/3145/PNZ dated 19/08/22
Awaiting decision Conditions 2 docs -
60A Purley Avenue London NW2 1SB
95% historically approved · decision due ~13 Oct
Submission of details of condition 8 (Section 278 Highways Agreement) pursuant to planning permission 22/3145/PNZ dated 19/08/2022
Awaiting decision Conditions 13 docs
Other prior approval applications
In Barnet
-
26/3224/PNH Awaiting decision
Low Ridge Rowley Lane Barnet EN5 3HS
Single storey rear extension with a proposed depth of 8.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres.
-
26/3218/PNH Awaiting decision
22 Highcroft Gardens London NW11 0LX
2no. Single storey rear extensions with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres, and depth of 3.05 metres, maximum height of 3.00 metres and eaves height of 3.00 metres respectively, following demolition of existing roofed patio.
-
26/3212/PNH Awaiting decision
10 Richmond Road Barnet EN5 1SB
Single storey rear extension with a proposed depth of 5.54 metres, maximum height of 3.50 metres and eaves height of 3.00 metres.
-
26/3183/PNH Awaiting decision
34 Selvage Lane London NW7 3SP
Single storey rear extension with a proposed depth of 3.80 metres, maximum height of 3.00 metres and eaves height of 2.75 metres, following partial demolition of existing side manifestation.
-
26/3194/PNH Awaiting decision
74 Windsor Drive Barnet EN4 8UD
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 2.60 metres, following demolition of the existing rear extension.