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Planning application

15 Lansdowne Road London N3 1ET

Granted Barnet 26/2047/HSE Householder Application

Works: Extension 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 rear extension and extension to existing raised patio

As published by the council, reference 26/2047/HSE

Application record

Reference
26/2047/HSE
Type
Householder Application
Status
Approved subject to conditions
Decision
Granted As published: Approve subject to conditions
Received
2 Jun 2026
Validated
2 Jun 2026
Decided
24 Jul 2026
Ward
Finchley Church End
Decision by
Delegated Decision
Postcode
N3 1ET

Timeline

Dates from the published record

  1. 2 Jun 2026

    Received by Barnet

  2. 24 Jul 2026

    Decision issued: Approve subject to conditions

  3. 16 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Lemberg Architecture and Design Ltd Agent, an architecture practice registered in Borehamwood

Active · incorporated 2024 · Borehamwood

5 applications on PlanIndex · across 3 councils

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Documents

Plans, drawings, consultee responses and the officer's report

8 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.

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What this grant of permission means

Barnet granted permission on 24 July 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

  • Flat 2 202 Nether Street London N3 1JD

    26/1743/FUL Submitted 11 May 2026 50 yards away

    Erection of a rear outbuilding

    Granted Full applications 11 docs

  • 30 Lansdowne Road London N3 1ES

    26/3128/PNH Submitted 25 Aug 2026 50 yards away

    56% historically approved · decision due ~20 Oct

    Single storey rear extension with a proposed depth of 5.00 metres, maximum height of 3.51 metres and eaves height of 2.35 metres.

    Awaiting decision Prior approval Extension 4 docs
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  • 30 Lansdowne Road London N3 1ES

    26/3129/192 Submitted 25 Aug 2026 50 yards away

    79% historically approved · decision due ~20 Oct

    Roof extension involving rear dormer window with juliette balcony and 3no. front facing rooflights. Removal of the existing chimney

    Awaiting decision Extension Loft or dormer +1

  • 26 Lansdowne Road London N3 1ES

    21/5680/PNH Submitted 26 Oct 2021 100 yards away

    Single storey rear extension with a proposed depth of 5.30 metres from original rear wall, eaves height of 3.00 metres and maximum height of 3.75 metres.

    Granted Prior approval Extension 5 docs
    Small domestic

  • Flat 2 202 Nether Street London N3 1JD

    26/2653/CON Submitted 15 Jul 2026 100 yards away

    79% historically approved · decision due ~10 Sep

    Submission of details of Condition 4 (Foundations) pursuant to planning permission 26/1743/FUL dated 06/07/2026

    Decided

  • 50 Lansdowne Road London N3 1ES

    26/1592/HSE Submitted 28 Apr 2026 150 yards away

    Erection of a rear outbuilding with 3no. rooflights

    Refused Householder Loft or dormer 15 docs
    Small domestic

In Barnet

  • 26/3827/HSE Awaiting decision

    43 Hermitage Lane London NW2 2HE

    Single storey rear extension with 3no. rooflights following demolition of the existing conservatory. Replacement front bay window and entrance porch. First floor rear juliette balcony. Changes to fenestration including new window openings and enlarged front rooflight

    22 Oct 2026 Householder
  • 26/3833/HSE Awaiting decision

    47 Holne Chase London N2 0QG

    Single storey rear extension. Replacement of single glazed windows with double glazing. Alterations to side/rear fenestration. Alterations and replacement of existing rear dormer window addition of 2no. side dormer windows and 3no. rooflights. Installation of cameras and wall lights. Replacement of the front entrance and garage doors, installation of timber side garden gates

    22 Oct 2026 Householder
  • 26/3815/HSE Awaiting decision

    17 Hurstwood Road London NW11 0AS

    Single storey rear extension

    21 Oct 2026 Householder
  • 26/3800/HSE Awaiting decision

    29 Monks Avenue Barnet EN5 1BZ

    Single storey side and rear infill extension including new front porch following demolition of the side/rear storage.

    Received 20 Oct, published by the council 21 Oct 2026 Householder
  • 26/3791/HSE Awaiting decision

    149 Montrose Avenue Edgware HA8 0DZ

    New front hardstanding and vechicular access to provide off-street parking

    Received 20 Oct, published by the council 21 Oct 2026 Householder