23 Westerham Avenue London N9 9BT

This site has had 2 applications since 2022: 1 approved, 1 refused.

• 22/01363/HOU Refused

  23 Westerham Avenue London N9 9BT

  First floor rear extension.

  Decided 20 Jun 2022 Householder

1. 28 Mar 2022

   Received by Enfield

2. 6 May 2022

   Decision issued: Objection Prior Approval Granted

3. 26 Jul 2026

   Added to PlanIndex

Enfield granted permission on 6 May 2022, 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 23 Westerham Avenue London N9 9BT

  22/01363/HOU Submitted 21 Apr 2022 0m away

  First floor rear extension.

  Refused Householder Extension 6 docs
  Domestic

• 30 Westerham Avenue London N9 9BU

  23/04049/FUL Submitted 11 Dec 2023 58m away

  Single storey rear extension and extension of rear stairs.

  Granted Full applications Extension 9 docs
  Small domestic

• 8 Selhurst Road London N9 9DB

  26/03048/CEA Submitted 17 Jul 2026 65m away

  Single storey rear extension, front porch, rear outbuilding, front rooflights and replacement aluminium-framed windows and doors.

  Granted Extension Loft or dormer +1
  Small domestic

• 14 - 16 Westerham Avenue London N9 9BU

  26/02592/CND Submitted 17 Jun 2026 75m away

  77% historically approved · decision due ~12 Aug

  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.

  Awaiting decision Conditions New dwelling Extension 3 docs

• 5 Westerham Avenue London N9 9BT

  22/00139/FUL Submitted 14 Jan 2022 90m away

  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)

  Granted Full applications Extension 8 docs
  Domestic

• 153 Windmill Road London N18 1LL

  26/01447/FUL Submitted 10 Apr 2026 120m away

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

  Refused Full applications 12 docs
  Domestic

• 26/03077/PRH Granted

  5 Longfield Avenue Enfield EN3 5RX

  Single storey rear extension 6m deep x 3m high (2.7m high to eaves).

  17 Jul 2026 Prior approval
• 26/03122/PRH Refused

  245 Southbury Road Enfield EN1 1QZ

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

  22 Jul 2026 Prior approval
• 26/03044/PRH Granted

  111 Kimberley Road London N18 2DW

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

  17 Jul 2026 Prior approval
• 26/02996/PRH Granted

  40 South Lodge Drive London N14 4XP

  Single storey rear extension 5.1m deep x 3m high (3m high to eaves).

  14 Jul 2026 Prior approval
• 26/02976/PRH Granted

  89 Wilbury Way London N18 1BX

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

  13 Jul 2026 Prior approval