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Planning application

34 Hervey Close London N3 2HD

Granted Barnet 25/3402/HSE Householder Application

Works: Extension Loft or dormer Windows or glazing 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

Part single, part two storey rear extension. Roof extension including hip to gable, rear dormer window and 3no. front facing rooflights

As published by the council, reference 25/3402/HSE

Application record

Reference
25/3402/HSE
Type
Householder Application
Status
Approved subject to conditions
Decision
Granted As published: Approve subject to conditions
Received
14 Aug 2025
Validated
15 Aug 2025
Decided
18 Sep 2025
Ward
West Finchley
Decision by
Delegated Decision
Postcode
N3 2HD

Timeline

Dates from the published record

  1. 14 Aug 2025

    Received by Barnet

  2. 15 Aug 2025

    Validated

    Checked as complete and ready for consideration.

  3. 18 Sep 2025

    Decision issued: Approve subject to conditions

  4. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Design Extension Agent, a design practice registered in Purley

Active · incorporated 2025 · Purley

133 applications on PlanIndex · across 24 councils · 75% granted

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Documents

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

7 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 18 September 2025, 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

  • 25 Redbourne Avenue London N3 2BP

    25/4570/192 Submitted 17 Nov 2025 50 yards away

    Extension of the existing roof ridge to form rear gable window with new and replacement side facing rooflights. Changes to fenestration to side and rear elevation. Demolition of existing conservatory.

    Granted Lawful development Extension Loft or dormer +2 9 docs

  • 8 Hervey Close London N3 2HD

    26/1269/HSE Submitted 2 Apr 2026 150 yards away

    Single storey rear extension with associated patio and access steps (amended)

    Granted Householder Extension 6 docs
    Small domestic

  • 3 Redbourne Avenue London N3 2BP

    26/0639/192 Submitted 18 Feb 2026 150 yards away

    Roof extension involving rear dormer window, 3no. front facing rooflights and new side gable windows. Erection of a rear outbuilding following demolition of the existing sheds. Demolition of a chimney (AMENDED DESCRIPTION)

    Granted Lawful development Extension Loft or dormer +2 6 docs

  • 18 Redbourne Avenue London N3 2BS

    26/2542/192 Submitted 6 Jul 2026 150 yards away

    80% historically approved · decision due ~1 Sep

    Erection of rear outbuilding

    Awaiting decision Lawful development 10 docs

  • 18 Redbourne Avenue London N3 2BS

    26/0832/192 Submitted 5 Mar 2026 150 yards away

    Erection of a rear outbuilding

    Refused Lawful development 13 docs

  • 18 Redbourne Avenue London N3 2BS

    26/2082/192 Submitted 4 Jun 2026 150 yards away

    Erection of rear garden outbuilding

    Refused Lawful development 12 docs

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