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Planning application

23 Sanderstead Avenue London NW2 1SE

Granted Barnet 26/1701/HSE Householder

Works: Extension Loft or dormer Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Single storey side and rear extensions. Roof extension involving 2no. front dormer windows. Front Porch Extension (AMENDED DESCRIPTION)

As published by the council, reference 26/1701/HSE

Application record

Reference
26/1701/HSE
Category
Householder
Status
Approved subject to conditions
Decision
Granted As published: Approve subject to conditions
Received
6 May 2026
Validated
6 May 2026
Decided
3 Sep 2026
Ward
Childs Hill
Postcode
NW2 1SE

Site history

Applications at this address on the Barnet register

This site has had 4 applications since 2025: 1 approved, 0 refused.

  • 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

    Submitted 4 Dec 2025 Householder
  • 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)

    Submitted 13 Nov 2025 Prior approval
  • 25/3987/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.

    Submitted 1 Oct 2025 Prior approval

Timeline

Dates from the published record

  1. 6 May 2026

    Received by Barnet

  2. 25 Jul 2026

    Added to PlanIndex

  3. 3 Sep 2026

    Decision issued: Approve subject to conditions

  4. 11 Sep 2026

    Status changed to Approved subject to conditions

    Previously Pending Consideration.

Documents

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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Barnet granted permission on 3 September 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 householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 23 Sanderstead Avenue London NW2 1SE

    25/4880/HSE Submitted 4 Dec 2025 50 yards away

    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 docs
    Small domestic

  • 23 Sanderstead Avenue London NW2 1SE

    25/3987/PNH Submitted 1 Oct 2025 50 yards away

    56% historically approved · decision due ~27 Nov

    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.

    Awaiting decision Prior approval Extension 6 docs
    Small domestic

  • 23 Sanderstead Avenue London NW2 1SE

    25/4525/PNH Submitted 13 Nov 2025 50 yards away

    56% 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 docs
    Small domestic

  • 20 Sanderstead Avenue London NW2 1SG

    26/1621/HSE Submitted 30 Apr 2026 50 yards away

    Single storey side and rear extension with 2no. rooflights and new patio area. Roof extension involving side and rear dormer window

    Granted Householder Extension Loft or dormer +1 10 docs
    Small domestic

  • 60A Purley Avenue London NW2 1SB

    25/4124/CON Submitted 14 Oct 2025 100 yards away

    93% 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

    25/3445/CON Submitted 18 Aug 2025 150 yards away

    93% 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

In Barnet

  • 26/3476/HSE Granted

    116 Chase Way London N14 5DH

    Single storey rear extension with 2no. rooflights. Changes to fenestration; new doors, 3no. new windows to rear elevation

    Received 24 Sep, published by the council 25 Sep 2026 Householder
  • 26/4019/HSE Awaiting decision

    38 Asmuns Hill London NW11 6ET

    Replacement of windows with vacuum-glazed windows (excluding subframes) and new french doors to rear

    6 Nov 2026 Householder
  • 26/4023/HSE Awaiting decision

    61 Bullescroft Road Edgware HA8 8RN

    Single storey front, side and rear wraparound extension incorporating porch following conversion of the existing garage, including window to replace garage door

    6 Nov 2026 Householder
  • 26/4015/HSE Awaiting decision

    6 Raeburn Close London NW11 6UG

    Alterations to the rear ground floor elevation, including replacement of the existing door and two windows with timber framed French doors and windows. Replacement of existing single glazed windows with new double glazed timber windows. Replacement of the existing rear patio doors with double glazed timber doors. Formation of a new rear patio. Addition of new bin storage at front

    Received 5 Nov, published by the council 6 Nov 2026 Householder
  • 26/4012/HSE Awaiting decision

    59 Hendon Way London NW2 2LX

    Two storey side and rear extension. New front porch

    5 Nov 2026 Householder