37 Mayfield Avenue London N14 6DY

1. 10 Sep 2026

   Received by Enfield

2. 24 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 1 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 19 November 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 householder applications in a median of 68 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 51 Mayfield Avenue London N14 6DY

  26/03905/CEA Submitted 14 Sep 2026 50 yards away

  75% historically approved · decision due ~25 Nov

  Extension to roof at side to form gable end with rear dormer, Juliette balcony, front rooflights, together with single storey rear extension, additional windows at side elevation and of removal chimney at side.

  Awaiting decision Extension Loft or dormer +1
  Small domestic

• 25 Mayfield Avenue London N14 6DY

  22/02616/HOU Submitted 25 Jul 2022 50 yards away

  Single storey rear extension.

  Granted Householder Extension 8 docs
  Small domestic

• 23 Mayfield Avenue London N14 6DY

  23/03553/HOU Submitted 1 Nov 2023 50 yards away

  Part single, part two storey rear extension, together with new side access door and front rear and side rooflights.

  Granted Householder Extension Loft or dormer 7 docs
  Domestic

• 4 Blagdens Close London N14 6DE

  22/02333/HOU Submitted 30 Jun 2022 100 yards away

  Part single, part 2-storey rear / side and side extensions involving loft conversion, and front porch extension.

  Granted Householder Extension Loft or dormer 19 docs
  Small domestic

• 4 Blagdens Close London N14 6DE

  22/00973/HOU Submitted 17 Mar 2022 100 yards away

  Part single, part 2-storey rear / side and side extensions involving loft conversion, and front porch extension.

  Refused Householder Extension Loft or dormer 20 docs
  Small domestic

• 4 Blagdens Close London N14 6DE

  22/00549/CEA Submitted 16 Feb 2022 100 yards away

  Rear dormer with front rooflight.

  Granted Lawful development Loft or dormer 20 docs

• 26/02987/HOU Granted

  19 Hammond Road Enfield EN1 3PD

  Detached outbuilding at rear, involving demolition of existing garden structures.

  Received 14 Jul, published by the council 2 Aug 2026 Householder
• 26/04308/HOU Awaiting decision

  14 Gordon Hill Enfield EN2 0QP

  Rear dormer with rear outrigger dormer and front rooflights including creation of an additional window opening in the flank wall at first floor level.

  Received 8 Oct, published by the council 15 Oct 2026 Householder
• 26/02970/HOU Granted

  156 New River Crescent London N13 5RJ

  Single storey side/rear extension.

  Received 9 Jul, published by the council 25 Jul 2026 Householder
• 26/04251/HOU Awaiting decision

  256 Willow Road Enfield EN1 3AT

  First floor side/rear infill extension.

  Received 6 Oct, published by the council 13 Oct 2026 Householder
• 26/04247/HOU Awaiting decision

  14 Windmill Road London N18 1PA

  Rear dormer, front rooflights and extension to roof at side involving increase in roof ridge height.

  Received 6 Oct, published by the council 13 Oct 2026 Householder