80, Westerham Avenue, London, N9 9BS

1. 15 Mar 2006

   Received by Enfield

2. 27 Mar 2006

   Validated

   Checked as complete and ready for consideration.

3. 26 Apr 2006

   Decision issued: Granted

4. 29 Sep 2026

   Added to PlanIndex

Enfield granted permission on 26 April 2006, 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 55 Orpington Gardens London N18 1LW

  26/01227/CEA Submitted 26 Mar 2026 50 yards away

  Use of premises for storage for records of minicab business.

  Granted Lawful development 5 docs

• 26 Orpington Gardens London N18 1LP

  26/02959/CEA Submitted 13 Jul 2026 50 yards away

  Single storey rear extension submitted pursuant to prior approval 26/02286/PRH.

  Withdrawn Extension
  Small domestic

• 26 Orpington Gardens London N18 1LP

  26/04018/HOU Submitted 21 Sep 2026 50 yards away

  72% historically approved · decision due ~16 Nov

  Single storey rear extension.

  Awaiting decision Householder Extension
  Small domestic

• 29 Orpington Gardens London N18 1LW

  20/02876/HOU Submitted 8 Sep 2020 100 yards away

  Single storey rear extension, rear dormer with juliet balcony and roof lights to front.

  Refused Householder Extension Loft or dormer 10 docs
  Small domestic

• 34 Orpington Gardens London N18 1LP

  22/02086/PRH Submitted 9 Jun 2022 100 yards away

  Single storey rear extension 5.53m deep x 2.76m high (2.50m high to eaves).

  Granted Prior approval Extension 7 docs
  Small domestic

• 26 Orpington Gardens London N18 1LP

  26/02286/PRH Submitted 2 Jun 2026 100 yards away

  Single-storey rear extension 4m deep x 3m high (3m high to eaves).

  Granted Prior approval Extension 4 docs
  Small domestic

• 26/03723/CEU Awaiting decision

  183 Bowes Road London N11 2HP

  Use of property as 2x self-contained flats.

  Received 1 Sep, published by the council 7 Sep 2026 Lawful development
• 26/03578/CEA Awaiting decision

  78 Tewkesbury Terrace London N11 2LU

  Single storey rear extension, rear dormer and front roof lights.

  Received 24 Aug, published by the council 28 Aug 2026 Lawful development
• 26/02977/CEA Granted

  89 Wilbury Way London N18 1BX

  Single storey rear extension, rear dormer and front rooflights.

  Received 13 Jul, published by the council 25 Jul 2026 Lawful development
• 26/02934/CEA Granted

  2 St Andrews Road London N9 8DB

  Extension of roof at side to form gable, rear dormer and front roof lights.

  Received 10 Jul, published by the council 25 Jul 2026 Lawful development
• 26/02994/CEA Granted

  88 Greenwood Avenue Enfield EN3 5DX

  Rear dormer with front rooflights.

  Received 15 Jul, published by the council 25 Jul 2026 Lawful development