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 59 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 67 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 7m away

  78% historically approved · decision due ~13 Oct

  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.

  Awaiting decision Extension Loft or dormer +1

• 37 Grange Park Avenue London N21 2LP

  22/02215/PRH Submitted 21 Jun 2022 50m 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 102m 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 107m away

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

  Withdrawn Prior approval Extension 4 docs
  Small domestic

• 37 Park Drive London N21 2LU

  26/01943/CEA Submitted 11 May 2026 120m away

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

  Refused Lawful development Extension 8 docs
  Small domestic

• 44 Park Drive London N21 2LS

  22/00429/CEA Submitted 7 Feb 2022 122m away

  Demolition of garage and erection of outbuilding at rear.

  Granted Lawful development Demolition 8 docs

• 26/02813/HOU Refused

  77 Connaught Avenue Enfield EN1 3BQ

  Detached outbuilding at rear.

  2 Jul 2026 Householder
• 26/02912/HOU Refused

  21 Broadoak Avenue Enfield EN3 6TS

  Two storey front extension with alterations to the roof and elevations.

  9 Jul 2026 Householder
• 26/02576/HOU Granted

  9 Sovereign Mews Barnet EN4 0JQ

  Single storey rear extension with roof lights.

  17 Jun 2026 Householder
• 26/02971/HOU Refused

  105 Manor Road Enfield EN2 0AW

  Conversion of garage into a habitable room including changes to front fenestration and new side window.

  10 Jul 2026 Householder
• 26/02499/HOU Granted

  49 De Bohun Avenue London N14 4PU

  Demolition of existing kitchen and erection of single storey rear/side extension with part flat, part pitched roof and rooflights with installation of new door to side elevation at ground floor level with access steps.

  15 Jun 2026 Householder