36 Onslow Gardens London N21 1DX

This site has had 2 applications since 2026: 2 approved, 0 refused.

• 26/03067/CEA Granted

  36 Onslow Gardens London N21 1DX

  Extension to roof at side to form gable end with rear dormer, balustrade and front rooflights.

  Decided 11 Sep 2026

1. 20 Jul 2026

   Received by Enfield

2. 28 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 9 Aug 2026

   Added to PlanIndex

4. 22 Sep 2026

   Decision issued: Granted With Conditions

5. 22 Sep 2026

   Status changed to Decided

   Previously Application in Progress.

Enfield granted permission on 22 September 2026, 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.

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.

• 32 Onslow Gardens London N21 1DX

  26/03556/HOU Submitted 21 Aug 2026 50 yards away

  72% historically approved · decision due ~16 Oct

  Single storey side and rear extension.

  Decided Householder Extension 4 docs
  Small domestic

• 32 Onslow Gardens London N21 1DX

  26/03546/CEA Submitted 21 Aug 2026 50 yards away

  75% historically approved · decision due ~5 Nov

  Extension of roof to side to form gable, increase to roof ridge height, rear dormer with Juliette balcony, front roof lights and changes to side fenestration.

  Decided Extension Loft or dormer +2

• 36 Onslow Gardens London N21 1DX

  26/03067/CEA Submitted 20 Jul 2026 50 yards away

  Extension to roof at side to form gable end with rear dormer, balustrade and front rooflights.

  Granted Extension Loft or dormer

• 32 Onslow Gardens London N21 1DX

  26/01930/HOU Submitted 11 May 2026 50 yards away

  Part single, part two storey and rear extension, gable end loft conversion with rear dormer window.

  Refused Householder Extension Loft or dormer +1 12 docs
  Domestic

• 17 Cranleigh Gardens London N21 1DR

  22/01698/CEA Submitted 13 May 2022 50 yards away

  Extension to roof to form gable end, rear dormer with Juliet balcony, rooflights to front and removal of chimney.

  Granted Lawful development Extension Loft or dormer 8 docs

• 17 Cranleigh Gardens London N21 1DR

  22/02722/HOU Submitted 2 Aug 2022 50 yards away

  Ground floor rear, side and front extensions, porch extension with alterations to roof with side rooflights.

  Granted Householder Extension Loft or dormer 10 docs
  Small domestic

• 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
• 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
• 26/04358/HOU Awaiting decision

  1 Holly Hill London N21 1NN

  Single storey side extension, partial conversion of the existing attached garage, extension of the existing rear patio and associated internal alterations.

  Received 13 Oct, published by the council 22 Oct 2026 Householder