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Planning application

39 Knoll Drive London N14 5LU

Awaiting decision Barnet 26/3567/HSE Householder

Works: Extension Windows or glazing 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

First floor side extension and first floor rear window enlargement

As published by the council, reference 26/3567/HSE

Application record

Reference
26/3567/HSE
Category
Householder
Status
Pending Consideration
Received
2 Oct 2026
Validated
2 Oct 2026
Postcode
N14 5LU

Site history

Applications at this address on the Barnet register

This site has had 2 applications since 2026.

  • 26/3566/192 Awaiting decision

    39 Knoll Drive London N14 5LU

    Roof extension involving hip to gable, rear dormer window and 4no. front facing rooflights. Single storey side/rear infill extension and insertion of 3no. roof lights. Fenestration changes to the rear, new rear terrace with access steps and glass balustrade. Increase in ridge height of existing rear and side extensions. (AMENDED)

    Submitted 2 Oct 2026

Timeline

Dates from the published record

  1. 2 Oct 2026

    Received by Barnet

  2. 2 Oct 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 27 November 2026, 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 46 days over the applications it decided in the last year.

What 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 householder applications in a median of 56 days. More in our guide to how long planning decisions take.

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

  • 39 Knoll Drive London N14 5LU

    26/3566/192 Submitted 2 Oct 2026 50 yards away

    79% historically approved · decision due ~27 Nov

    Roof extension involving hip to gable, rear dormer window and 4no. front facing rooflights. Single storey side/rear infill extension and insertion of 3no. roof lights. Fenestration changes to the rear, new rear terrace with access steps and glass balustrade. Increase in ridge height of existing rear and side extensions. (AMENDED)

    Awaiting decision Extension Loft or dormer +2
    Small domestic

  • 77 Brookside South Barnet EN4 8LL

    26/0590/192 Submitted 16 Feb 2026 100 yards away

    Use of one room as a home office for a private hire (mini cab) operator

    Granted Lawful development 5 docs

  • 1 Friars Walk London N14 5LR

    21/4651/RCU Submitted 24 Aug 2021 100 yards away

    Installation of 4no. air conditioning units to rear elevation (retrospective application)(Amended Description)

    Granted Amendments 16 docs

  • 42 Brookside South Barnet EN4 8LW

    26/2123/192 Submitted 8 Jun 2026 100 yards away

    Use of room of residential dwelling as office for mini cab administrative purposes

    Granted Lawful development 4 docs
    Domestic

  • Land Adjacent To 57 And 59 Brookside South Barnet EN4 8LJ

    25/4587/FUL Submitted 17 Nov 2025 100 yards away

    63% historically approved · decision due ~19 Jan

    Erection of a two storey detached dwelling with rooms in the roofspace. Associated new vehicular access to provide off-street parking, amenity space, refuse/recycling and cycle storage

    Awaiting decision Full applications New dwelling 13 docs
    Domestic

  • 2 Oak Close London N14 5NR

    26/3082/HSE Submitted 21 Aug 2026 150 yards away

    77% historically approved · decision due ~16 Oct

    Single storey side and rear extension including removal of the existing patio area

    Decided Householder Extension
    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