25 Grange Park Avenue London N21 2LP

1. 18 May 2026

   Received by Enfield

2. 2 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 27 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 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.

• 45 Grange Park Avenue London N21 2LP

  26/03484/CEA Submitted 18 Aug 2026 50 yards away

  Extension to roof at side to form gable end with rear dormer, Juliette balcony, front roof lights, additional window to front and side elevations, removal of chimney at side, together with outbuilding at rear.

  Granted Extension Loft or dormer +1

• 37 Grange Park Avenue London N21 2LP

  22/02215/PRH Submitted 21 Jun 2022 50 yards away

  Single storey rear extension 6m deep x 4m high (3m high to eaves).

  Granted Prior approval Extension 3 docs
  Small domestic

• 49 Grange Park Avenue London N21 2LP

  20/03421/CEA Submitted 21 Oct 2020 100 yards away

  Extension to roof at side to form gable end with flank window, rear dormer with Juliette balcony and front rooflights.

  Granted Lawful development Extension Loft or dormer +1 10 docs

• 27 Park Drive London N21 2LU

  21/03244/PRH Submitted 23 Aug 2021 100 yards away

  Single storey rear extension 3.50m deep x 4m high (2.80m high to eaves).

  Withdrawn Prior approval Extension 4 docs
  Small domestic

• 26 Green Dragon Lane London N21 2LD

  20/03958/CEA Submitted 7 Dec 2020 100 yards away

  Extension to rear dormer with front rooflight.

  Granted Lawful development Extension Loft or dormer 8 docs

• 37 Park Drive London N21 2LU

  26/01943/CEA Submitted 11 May 2026 150 yards away

  Single storey rear extension submitted pursuant to prior approval ref: 26/00386/PRH.

  Refused Lawful development Extension 8 docs
  Small domestic

• 26/04569/HOU Awaiting decision

  70 Park Avenue Enfield EN1 2HW

  Single storey rear extension.

  Received 27 Oct, published by the council 3 Nov 2026 Householder
• 26/03771/HOU Refused

  272 Hedge Lane London N13 5DB

  Vehicular access.

  Received 3 Sep, published by the council 11 Sep 2026 Householder
• 26/04532/HOU Awaiting decision

  25 Houndsden Road London N21 1LU

  Conversion of garage into habitable room involving alterations to front elevation with first floor side extension including new window to front elevation.

  Received 26 Oct, published by the council 3 Nov 2026 Householder
• 26/04513/HOU Awaiting decision

  827 Hertford Road Enfield EN3 6UG

  Single storey rear extension.

  Received 26 Oct, published by the council 2 Nov 2026 Householder
• 26/02780/HOU Granted

  27 Lowther Drive Enfield EN2 7JN

  Part single, part 2-storey side/rear extension, front entrance porch and rear dormer with roof lights.

  Received 1 Jul, published by the council 25 Jul 2026 Householder