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Planning application

22/01085/PRH

23 Westerham Avenue London N9 9BT

Granted Enfield Class A HH - Prior Approval

Proposal

Single storey rear extension 5.15m deep x 2.95m high (2.95m high to eaves).

As published by the council, reference 22/01085/PRH

Timeline

Dates from the published record

  1. 28 Mar 2022

    Received by Enfield

  2. 6 May 2022

    Decision issued: Objection Prior Approval Granted

  3. 26 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About prior approval applications

How this application type works

Prior approval applications arise where permitted development rights already grant the principle of the work, such as larger home extensions, changes of use to housing or agricultural buildings. The council may only consider the specific matters set out in the rules, for example transport, flooding or appearance, and in many classes the work may proceed if the council does not respond within the deadline, commonly 56 days.

More on prior approval applications in our guide

Nearby applications

Within 500 metres

  • 26/03048/CEA Awaiting decision

    8 Selhurst Road London N9 9DB

    Single storey rear extension, with demolition of existing rear conservatory, front porch with replacement rear outbuilding, creation of loft room for storage with front rooflights, existing uPVC windows and doors will be replaced with aluminium-framed units.

    17 Jul 2026 48m away Lawful development
  • 26/02592/CND Awaiting decision

    14 - 16 Westerham Avenue London N9 9BU

    Details submitted pursuant to reference 23/02928/FUL: construction management plan (8) and hard surfacing (9) in respect of second floor infill extension over first floor existing apartments to create 2 self-contained flats with balconies, together with reconfiguration of existing 1st floor flat and new balcony.

    17 Jun 2026 75m away Conditions
  • 22/00139/FUL Granted

    5 Westerham Avenue London N9 9BT

    Sub-division of site for 2-storey dwelling house, erection of first floor rear and side extension together with associated garden, parking and bins (PART RETROSPECTIVE)

    14 Jan 2022 90m away Full applications
  • 26/01447/FUL Awaiting decision

    153 Windmill Road London N18 1LL

    Change of use from Use Class C3 (dwelling house) to Use Class C4 (HMO-house in multiple occupation) (RETROSPECTIVE).

    10 Apr 2026 120m away Full applications
  • 22/00618/FUL Granted

    32 Bromley Road London N18 1LH

    Subdivision of single family dwelling house into 2 self-contained dwellings involving erection of front porch, provision of car and cycle parking and associated works. (PART RETROSPECTIVE).

    22 Feb 2022 136m away Full applications
  • 26/02974/PRH Awaiting decision

    13 Victor Villas Great Cambridge Road London N9 9UP

    Single storey rear extension 6m deep x 2.7m high (2.4m high to eaves).

    13 Jul 2026 153m away Prior approval

In Enfield

  • 26/02703/PRH Granted

    10 Titchfield Road Enfield EN3 6BA

    Single storey rear extension 6m deep x 3m high (3m high to eaves) and single-storey infill extension 3.555m deep x 3m high (3m high to eaves).

    25 Jun 2026 Prior approval
  • 26/02544/PRH Refused

    5 Titchfield Road Enfield EN3 6AZ

    Single-storey rear extension 6m deep x 3m high (2.1m high to eaves) including demolition of existing rear extension and single-storey infill extension 3.63m deep x 3m high (2.1m high to eaves).

    16 Jun 2026 Prior approval
  • 26/02564/PRH Granted

    74 Elsinge Road Enfield EN1 4PF

    Two single-storey rear extensions 6m deep x 3m high (3m high to eaves).

    16 Jun 2026 Prior approval
  • 26/02501/PRH Granted

    17 Central Avenue Enfield EN1 3QB

    Single-storey rear extension 6m deep x 3m high (3m high to eaves).

    15 Jun 2026 Prior approval
  • 26/03169/PRH Awaiting decision

    49 Tynemouth Drive Enfield EN1 4LR

    Single-storey rear extension 6m deep x 3m high (3m high to eaves).

    24 Jul 2026 Prior approval