1 Holly Hill London N21 1NN

1. 13 Oct 2026

   Received by Enfield

2. 21 Oct 2026

   Validated

   Checked as complete and ready for consideration.

3. 22 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 16 December 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.

• 7 Holly Hill London N21 1NN

  22/00491/HOU Submitted 11 Feb 2022 50 yards away

  Vehicular access.

  Granted Householder 8 docs
  Domestic

• 7 Holly Hill London N21 1NN

  20/02581/CEA Submitted 13 Aug 2020 50 yards away

  Alterations to roof to form gable end with rear dormer and rooflights to front.

  Granted Lawful development Loft or dormer 9 docs

• 14 Holly Hill London N21 1NP

  22/00921/HOU Submitted 14 Mar 2022 50 yards away

  Single storey rear extension together with demolition of detached garage at rear and erection of additional attached extension to be used as an office.

  Granted Householder Extension Demolition 12 docs
  Small domestic

• The Birches 22 Winchmore Hill London N21 1NL

  21/04789/HOU Submitted 23 Dec 2021 50 yards away

  Two storey side extension and single storey rear extension together with rear dormer with Juliette balcony and side dormer, with front rooflight, front entrance porch and construction of hardstanding in connection with vehicular access.

  Withdrawn Householder Extension Loft or dormer 20 docs
  Small domestic

• 2 Holly Hill London N21 1NP

  22/02076/HOU Submitted 9 Jun 2022 50 yards away

  Single storey side extension with conversion of garage into habitable room.

  Granted Householder Extension 3 docs
  Small domestic

• 2 Holly Hill London N21 1NP

  22/02075/CEA Submitted 9 Jun 2022 50 yards away

  Outbuilding to rear.

  Granted Lawful development 5 docs

• 26/04416/HOU Awaiting decision

  166 Green Dragon Lane London N21 1EP

  Single storey side extension with replacement garage and pitched roof.

  Received 16 Oct, published by the council 22 Oct 2026 Householder
• 26/04421/HOU Awaiting decision

  11 Mitchell Road London N13 6EG

  First floor rear extension with pitched roof.

  Received 16 Oct, published by the council 22 Oct 2026 Householder
• 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
• 26/04348/HOU Awaiting decision

  23 Chestnut Close London N14 4SG

  Rear dormer with Juliette balcony, front rooflights together with alterations to existing single storey rear extension and Juliette balcony to first floor at rear (PART- RETROSPECTIVE).

  Received 12 Oct, published by the council 22 Oct 2026 Householder
• 26/04340/HOU Awaiting decision

  60 Southbury Road Enfield EN1 1YB

  Single storey side and rear extension.

  Received 12 Oct, published by the council 22 Oct 2026 Householder