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Planning application

38 Tretawn Gardens London NW7 4NR

Awaiting decision Barnet 26/2521/HSE Householder

Works: Extension Loft or dormer 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

Roof extension involving triple rear dormer window, 2no. front facing rooflights and new side gable windows

As published by the council, reference 26/2521/HSE

Application record

Reference
26/2521/HSE
Category
Householder
Status
Pending Consideration
Received
3 Jul 2026
Validated
8 Jul 2026
Postcode
NW7 4NR

Timeline

Dates from the published record

  1. 3 Jul 2026

    Received by Barnet

  2. 8 Jul 2026

    Validated

    Checked as complete and ready for consideration.

  3. 9 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 2 September 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 42 days over the applications it decided in the last year.

What happens while it is decided

The process from here

This application is with Barnet for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • 24 Tretawn Gardens London NW7 4NR

    26/0266/HSE Submitted 23 Jan 2026 16m away

    Roof extension involving extended crown roof, raising of the ridge height, side and rear dormer windows and 2no. front facing rooflights

    Granted Householder Extension Loft or dormer +2 16 docs
    Domestic

  • Trees Austell Gardens London NW7 4NS

    26/0839/HSE Submitted 5 Mar 2026 85m away

    77% historically approved · decision due ~30 Apr

    Erection of a rear outbuilding

    Awaiting decision Householder 8 docs
    Small domestic

  • Trees Austell Gardens London NW7 4NS

    26/0840/S73 Submitted 5 Mar 2026 85m away

    Variation of Condition 1 (Approved Plans) of planning permission reference 20/4044/FUL dated 03/06/21 for 'Erection of new dwelling on side of house. Associated refuse/recycling area, cycle store and amenity space, provision off street parking.' Variation to include alterations to hard and soft landscaping and vehicle access

    Granted Conditions New dwelling 10 docs
    Domestic

  • Trees Austell Gardens London NW7 4NS

    25/3839/S73 Submitted 18 Sep 2025 85m away

    95% historically approved · decision due ~18 Nov

    Variation of condition 1 (Approved Plans) of planning permission reference 20/4044/FUL dated 03/06/21 for 'Erection of new dwelling on side of house. Associated refuse/recycling area, cycle store and amenity space, provision off street parking.' Variation to include: Addition of 1no. north-facing side dormer window; Installation of 1no. additional rooflight to south facing roofslope; Installation of 1no. rooflight to ground floor flat roof; Alterations to north and south fenestration; Internal alterations; Amendments to landscaping proposals

    Awaiting decision Conditions New dwelling Loft or dormer +2 10 docs
    Domestic

  • 44 Tretawn Gardens London NW7 4NR

    25/4420/HSE Submitted 5 Nov 2025 95m away

    Single storey rear extension

    Granted Householder Extension 9 docs
    Small domestic

  • 43 Sunnyfield London NW7 4RD

    26/2158/192 Submitted 10 Jun 2026 108m away

    Roof extension involving wraparound side and rear dormer window with 1no. front facing and 1no. side facing rooflight sited on existing roof slopes (amended description)

    Decided Lawful development Extension Loft or dormer +1 6 docs

In Barnet

  • 26/3235/HSE Awaiting decision

    26 Mount Pleasant Barnet EN4 9HH

    Replace existing flat roof at ground floor rear elevation with pitched roof and 2no. rooflights

    4 Sep 2026 Householder
  • 26/3222/HSE Awaiting decision

    46 Michleham Down London N12 7JN

    Single storey side/rear extension with 3no. rooflights following demolition of the existing storage/utility structure. Changes to fenestration

    3 Sep 2026 Householder
  • 26/3219/HSE Awaiting decision

    53 Tudor Road Barnet EN5 5NW

    First floor rear extension with front and rear rooflights. Roof extension over existing garage

    2 Sep 2026 Householder
  • 26/3210/HSE Awaiting decision

    47 Pattison Road London NW2 2HL

    New front vehicular access to provide off-street parking. Removal of existing gate and shed, alterations to the existing front boundary wall and installation of close board fencing panels.

    2 Sep 2026 Householder
  • 26/3211/HSE Awaiting decision

    25 The Ridgeway London N11 3LG

    Single storey rear extension with 3no. rooflights following the demolition of existing conservatory

    2 Sep 2026 Householder