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Planning application

23 Sanderstead Avenue London NW2 1SE

Decided 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

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

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
Received
6 May 2026
Validated
6 May 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.

  • 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. 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

After the decision

Barnet has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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

    58% 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

    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 docs
    Small domestic

  • 20 Sanderstead Avenue London NW2 1SG

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

    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 docs
    Small domestic

  • 60A Purley Avenue London NW2 1SB

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

    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

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

    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

In Barnet

  • 26/3422/HSE Awaiting decision

    Revelstroke 28 Totteridge Village London N20 8JN

    Construction of a swimming pool and associated hard and soft landscaping following demolition of the existing shed including new access steps. Alterations to the ground level. Replacement of an existing timber decking terrace with a paved terrace.

    18 Sep 2026 Householder
  • 26/3396/HSE Awaiting decision

    43 Dukes Avenue London N3 2DE

    Single storey rear, part two storey side extension with 1no. rooflight following the demolition of existing shed. Roof extension with rear dormer window, 1no. front, 3no. side facing rooflights and roof windows to the front and side roof slopes. Installation of solar panels to side elevation of roof

    17 Sep 2026 Householder
  • 26/3410/HSE Awaiting decision

    54 Ferney Road Barnet EN4 8LE

    Single storey rear extension with alteration to the raised terrace area including new access steps to garden

    17 Sep 2026 Householder
  • 26/3415/HSE Awaiting decision

    11 Downage London NW4 1AS

    Alterations and extensions to the roof including rear dormer window and the partial removal of the roof of the first floor rear extension, creation of a new crown roof over main roof and rear extension, 1no. front, 1no. side, 1no. rear facing rooflight and 1no. on crown roof

    Received 17 Sep, published by the council 18 Sep 2026 Householder
  • 26/3382/HSE Awaiting decision

    11 Layfield Crescent London NW4 3UJ

    Part single, part two storey rear extension with flat roof and 1no. skylight

    Received 16 Sep, published by the council 18 Sep 2026 Householder