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Planning application

146 Fitzjohn Avenue Barnet EN5 2HP

Granted Barnet 26/1599/192 Proposed Lawful Development Certificate

Works: Extension Loft or dormer Windows or glazing

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

Proposal

Roof extension involving hip to gable, rear dormer window, front and side facing rooflights and new side gable window

As published by the council, reference 26/1599/192

Application record

Reference
26/1599/192
Type
Proposed Lawful Development Certificate
Status
Lawful
Decision
Granted As published: Lawful
Received
28 Apr 2026
Validated
29 Apr 2026
Decided
14 May 2026
Ward
Underhill
Decision by
Delegated Decision
Postcode
EN5 2HP

Site history

Applications at this address on the Barnet register

This site has had 2 applications since 2026: 2 approved, 0 refused.

  • 26/1607/192 Granted

    146 Fitzjohn Avenue Barnet EN5 2HP

    New front porch. Changes to ground floor fenestration

    Decided 5 May 2026 Lawful development

Timeline

Dates from the published record

  1. 28 Apr 2026

    Received by Barnet

  2. 29 Apr 2026

    Validated

    Checked as complete and ready for consideration.

  3. 14 May 2026

    Decision issued: Lawful

  4. 25 Jul 2026

    Added to PlanIndex

Documents

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

4 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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Open the documents

What this grant of permission means

Barnet granted permission on 14 May 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 lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 146 Fitzjohn Avenue Barnet EN5 2HP

    26/1607/192 Submitted 29 Apr 2026 50 yards away

    New front porch. Changes to ground floor fenestration

    Granted Lawful development Extension Windows or glazing 3 docs
    Small domestic
  • 131 Fitzjohn Avenue Barnet EN5 2HR

    25/5111/192 Submitted 19 Dec 2025 50 yards away

    80% historically approved · decision due ~16 Feb

    Single storey rear extension

    Awaiting decision Lawful development Extension 4 docs
    Small domestic
  • 72 Mays Lane Barnet EN5 2DZ

    26/3608/FUL Submitted 6 Oct 2026 100 yards away

    63% historically approved · decision due ~21 Dec

    Change of use of the property from a single family dwelling (Class C3) to a House in Multiple Occupation (HMO) (Class C4) including single storey rear extension following demolition fo the existing conservatory, roof extension involving rear dormer window and 1no. rear rooflight

    Awaiting decision Full applications Extension Loft or dormer +2
    Small domestic
  • 8 Lawnswood Manor Road Barnet EN5 2LJ

    26/2947/FUL Submitted 10 Aug 2026 100 yards away

    63% historically approved · decision due ~5 Oct

    Erection of a rear garden room

    Decided Full applications
  • 107 Fitzjohn Avenue Barnet EN5 2HR

    26/3017/HSE Submitted 17 Aug 2026 150 yards away

    77% historically approved · decision due ~22 Oct

    Single storey side/rear wrap-around extension including alterations to the patio area and 1no. rooflight. Roof extension involving hip to gable, rear dormer window and 2no. front facing rooflights

    Decided Householder Extension Loft or dormer +1
    Small domestic
  • 103 Fitzjohn Avenue Barnet EN5 2HR

    26/2946/HSE Submitted 10 Aug 2026 150 yards away

    77% historically approved · decision due ~5 Oct

    Roof extension including hip to gable, rear dormer window, 2no. rear and 3no. front facing rooflights and raising the ridge height

    Decided Householder Extension Loft or dormer +2 7 docs
    Domestic

In Barnet

  • 26/2679/192 Granted

    21 Myddelton Park London N20 0JH

    Single storey rear extension and increase in ridge height of existing rear outrigger (Amended description).

    Received 20 Jul, published by the council 7 Aug 2026 Lawful development
  • 26/1362/191 Refused

    145 Cotswold Gardens London NW2 1PL

    Use as a House in Multiple Occupation (HMO) for 6 people

    Received 14 Apr, published by the council 25 Jul 2026 Lawful development
  • 26/1907/191 Granted

    8 Golders Manor Drive London NW11 9HT

    Use of the property as a self-contained residential unit at ground floor level and the first and second floors as a 4-bedroom, 4-person House in Multiple Occupation (Sui Generis) (AMENDED DESCRIPTION)

    Received 21 May, published by the council 16 Aug 2026 Lawful development
  • 26/2392/192 Refused

    6 Mostyn Road Edgware HA8 0JD

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

    Received 23 Jun, published by the council 9 Aug 2026 Lawful development
  • 26/2059/192 Refused

    Low Ridge Rowley Lane Barnet EN5 3HS

    Erection of a rear outbuilding

    Received 3 Jun, published by the council 16 Aug 2026 Lawful development