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Planning application

26/1942/HSE

17A Dollis Avenue London N3 1UD

Awaiting decision Barnet Householder Application

Proposal

Single storey side and rear extension and side infill extension with 5no. rooflights and new levelled patio area with associated access steps. Conversion of the existing into habitable room, insertion of window to replace the garage door. Changes to fenestration

As published by the council, reference 26/1942/HSE

Timeline

Dates from the published record

  1. 26 May 2026

    Received by Barnet

  2. 25 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

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

  • 26/0866/192 Decided

    63 Church Crescent London N3 1BL

    Roof extension involving hip to gable and rear dormer window

    6 Mar 2026 104m away Lawful development
  • 26/0865/HSE Granted

    63 Church Crescent London N3 1BL

    Single storey side and rear extension following demolition of the existing garage

    6 Mar 2026 104m away Householder
  • 26/2011/NMA Awaiting decision

    63 Church Crescent London N3 1BL

    Non material amendment to planning permission 26/0865/HSE dated 28/04/2026 for `Single storey side and rear extension following demolition of the existing garage.` Amendments include removal of the proposed window and door and addition of a side rooflight

    29 May 2026 104m away Amendments
  • 26/1436/NMA Granted

    3 Grenville Close London N3 1UF

    Non-material amendments to planning permission reference 26/0029/HSE dated 28/03/26 for 'Single Storey rear infill extension, first floor side extension.' Amendments include changes to fenestration to front and rear elevations

    17 Apr 2026 131m away Amendments
  • TPP/0179/26 Granted

    19 Hendon Avenue London N3 1UJ

    1 X Copper Beech - fell, grind stump to a minimum depth of 300mm below ground level and replace with a copper beech (Fagus sylvatica 'Purpurea') in same location, due to significant structural decay and high risk of failure. Standing in T44 of Order (amended description)

    25 Mar 2026 233m away Trees
  • 26/2688/192 Awaiting decision

    20 Clifton Avenue London N3 1BN

    Roof extension involving hip to gable with rear dormer windows and 4no. front facing rooflights

    20 Jul 2026 235m away Lawful development

In Barnet

  • 26/2837/HSE Awaiting decision

    26 The Drive Barnet EN5 4JQ

    Single storey side and rear extension with 7no. rooflights

    31 Jul 2026 Householder
  • 26/2840/HSE Awaiting decision

    19 Wildwood Road London NW11 6UL

    Replacement of the existing front door, double glazing to existing windows and internal secondary glazing to front elevations; roof covering replacements, soffit and gutter repairs; security cameras, garden shed repairs and repainting, rear boundary hedges to 2.5m with concealed metal fencing

    31 Jul 2026 Householder
  • 26/2813/HSE Awaiting decision

    3 Delamere Gardens London NW7 3EA

    Single storey front extension incorporating a front porch, raising existing side extension floor level to match main house level, new roof with increased height to the side extension and 2no. rooflights, single storey rear extension with 4no. rooflights with new patio area, access steps to garden and hard and soft landscaping. Changes to fenestration: replacement of existing windows

    30 Jul 2026 Householder
  • 26/2812/HSE Awaiting decision

    60 Millway London NW7 3RA

    Two storey side extension linking to house and single storey rear infill extension following demolition of the existing garage. Associated alterations to roof

    30 Jul 2026 Householder
  • 26/2803/HSE Awaiting decision

    15 Poynings Way London N12 7LP

    Part single, part two storey side and rear extension. Conversion and extension of the existing garage, insertion of window to replace garage door. New front porch

    29 Jul 2026 Householder