14 - 16 Westerham Avenue London N9 9BU

1. 17 Jun 2026

   Received by Enfield

2. 25 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 12 August 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Enfield took a median of 58 days over the applications it decided in the last year.

This application is with Enfield for determination, against a statutory target of eight weeks. Over the last year Enfield decided condition discharge and variation applications in a median of 56 days. More in our guide to how long planning decisions take.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• 30 Westerham Avenue London N9 9BU

  23/04049/FUL Submitted 11 Dec 2023 50m away

  Single storey rear extension and extension of rear stairs.

  Granted Full applications Extension 9 docs
  Small domestic

• 32 Bromley Road London N18 1LH

  22/00618/FUL Submitted 22 Feb 2022 61m away

  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).

  Granted Full applications Extension 8 docs
  Small domestic

• 5 Westerham Avenue London N9 9BT

  22/00139/FUL Submitted 14 Jan 2022 62m 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

• 23 Westerham Avenue London N9 9BT

  22/01085/PRH Submitted 28 Mar 2022 75m away

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

  Granted Prior approval Extension 3 docs
  Small domestic

• 23 Westerham Avenue London N9 9BT

  22/01363/HOU Submitted 21 Apr 2022 75m away

  First floor rear extension.

  Refused Householder Extension 6 docs
  Domestic

• 153 Windmill Road London N18 1LL

  26/01447/FUL Submitted 10 Apr 2026 79m 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

• 26/02886/CND Granted

  64 Lakenheath London N14 4RP

  Details submitted pursuant to reference 26/01381/HOU: bricks and roof tiles (3), SuDS (4) and privacy screen (5) in respect of part single, part 2-storey front/rear extensions, involving conversion of garage to habitable room, formation of crown roof, increase in ridge height with rear dormer, alterations to fenestration and raised decking to rear.

  8 Jul 2026 Conditions
• 26/02884/CND Granted

  Meridian Water Orbital Business Park (and Adjoining Land Including Land South Of Argon Road And Land Known As Ikea Clear And Gas Holder Leeside Road) 5 Argon Road London N18 3BZ

  PARTIAL DISCHARGE: Details submitted pursuant to reference 19/02718/RE3: borehole decommissioning (21) in relation to Phase 1/ plot Z02-01 only in respect of development of Phase 2 of Meridian Water comprising residential (Class C3), Purpose Built Student Accommodation and/or Large-Scale Purpose-Built Shared Living (Sui Generis); hotel (Class C1), commercial development (Class B1a,b,c); retail (Class A1 and/or A2 and/or A3 and/or A4), social infrastructure (Class D1 and/or D2), a primary school up to thrdee forms of entry, hard and soft landscaping, new public open spaces including equipped areas for play, sustainable drainage systems, car parking provision, and formation of new pedestrian and vehicular access (all matters reserved), and a substation (Sui Generis).

  8 Jul 2026 Conditions
• 26/02796/CND Granted

  Car Parks Adjacent To 58-68 Dendridge Close And 89-111 Dendridge Close Enfield EN1

  Details submitted pursuant to reference 24/03563/RE4: acoustic report (12) in respect of redevelopment to provide 27 no. residential units (Use Class C3) alongside car parking, cycle parking, refuse and recycling storage, amenity space, playspace, landscaping and other associated works.

  1 Jul 2026 Conditions
• 26/02733/CND Granted

  814 Green Lanes London N21 2SB

  Details submitted pursuant to reference 24/04322/PRA dust management plan (1), construction management statement (2), cycle storage (3) and refuse (4) in respect of prior approval for the erection of a two storey extension to the existing building to provide eight new flats.

  26 Jun 2026 Conditions
• 26/02661/CND Refused

  31 Beech Hill Avenue Barnet EN4 0LU

  Details submitted pursuant to reference 24/00888/FUL: SuDS Verification Report (8) in respect of redevelopment of the site and erection of 2 x detached 2-storey dwelling houses with rear balconies, accommodation in roof space and additional first floor extension to Plot 2, together with associated parking and crossover.

  22 Jun 2026 Conditions