18 Athenaeum Road London N20 9AE

This site has had 4 applications since 2026: 1 approved, 0 refused.

• 26/2902/PNH Decided

  18 Athenaeum Road London N20 9AE

  Single storey rear extension with a proposed depth of 4.00 metres, maximum height of 3.50 metres and eaves height of 2.50 metres.

  Submitted 5 Aug 2026 Prior approval
• 26/1893/PNH Withdrawn

  18 Athenaeum Road London N20 9AE

  Single storey rear extension with a proposed maximum depth of 6.0m, a maximum height of 2.95m and an eaves height of 2.85m

  Decided 11 Jun 2026 Prior approval
• 26/0820/192 Granted

  18 Athenaeum Road London N20 9AE

  Single storey rear extension with 2no. rooflights. Roof extension involving rear dormer window 2no. front facing rooflights and new side gable window

  Decided 29 Apr 2026 Lawful development

1. 4 Jun 2026

   Received by Barnet

2. 26 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 16 Aug 2026

   Added to PlanIndex

4. 18 Sep 2026

   Status changed to Approved subject to conditions

   Previously Pending Consideration.

Barnet has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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.

• 18 Athenaeum Road London N20 9AE

  26/2902/PNH Submitted 5 Aug 2026 50 yards away

  56% historically approved · decision due ~1 Oct

  Single storey rear extension with a proposed depth of 4.00 metres, maximum height of 3.50 metres and eaves height of 2.50 metres.

  Decided Prior approval Extension
  Small domestic

• 18 Athenaeum Road London N20 9AE

  26/1893/PNH Submitted 20 May 2026 50 yards away

  Single storey rear extension with a proposed maximum depth of 6.0m, a maximum height of 2.95m and an eaves height of 2.85m

  Withdrawn Prior approval Extension 8 docs
  Small domestic

• 18 Athenaeum Road London N20 9AE

  26/0820/192 Submitted 4 Mar 2026 50 yards away

  Single storey rear extension with 2no. rooflights. Roof extension involving rear dormer window 2no. front facing rooflights and new side gable window

  Granted Lawful development Extension Loft or dormer +1 5 docs
  Small domestic

• 54 Oakleigh Gardens London N20 9AB

  21/5230/FUL Submitted 30 Sep 2021 100 yards away

  Conversion of existing dwelling into 2no self contained flats. Associated recycling/refuse storage area, cycle store and amenity space

  Refused Full applications New dwelling 13 docs
  Domestic

• 16 Oxford Gardens London N20 9AG

  25/5161/HSE Submitted 23 Dec 2025 100 yards away

  77% historically approved · decision due ~18 Feb

  Single storey side/rear extension with 3no. rooflights with new patio area. New front porch. Conversion of the existing garage into habitable room insertion of window to replace garage door. New side boundary fencing

  Awaiting decision Householder Extension Loft or dormer +1 8 docs
  Small domestic

• 1308 - 1312 High Road London N20 9HJ

  25/3910/S73 Submitted 23 Sep 2025 100 yards away

  93% historically approved · decision due ~20 Nov

  Variation of condition 1 (Approved Plans) of planning permission reference 25/3005/S73 dated 08.09.2025 (variation to 23/5437/FUL) for 'Part demolition of the existing building, extension to the ground floor commercial (flexible use - Class E), provision of six flats above existing commercial and erection of two detached houses at the rear of the site facing Oakleigh Gardens. Associated cycle parking, refuse and recycling and landscaping.' Variation to include alterations to the roof to provide an additional storey at third floor level and changing the second floor flats into duplex units

  Awaiting decision Conditions New dwelling Extension +1 13 docs
  Several homes

• 26/3853/HSE Awaiting decision

  30 Goldsmith Avenue London NW9 7HB

  Single storey rear extension following demolition of the existing extension

  23 Oct 2026 Householder
• 26/3856/HSE Awaiting decision

  229 Hale Drive London NW7 3EH

  Single storey rear extension

  23 Oct 2026 Householder
• 26/3827/HSE Awaiting decision

  43 Hermitage Lane London NW2 2HE

  Single storey rear extension with 3no. rooflights following demolition of the existing conservatory. Replacement front bay window and entrance porch. First floor rear juliette balcony. Changes to fenestration including new window openings and enlarged front rooflight

  22 Oct 2026 Householder
• 26/3833/HSE Awaiting decision

  47 Holne Chase London N2 0QG

  Single storey rear extension. Replacement of single glazed windows with double glazing. Alterations to side/rear fenestration. Alterations and replacement of existing rear dormer window addition of 2no. side dormer windows and 3no. rooflights. Installation of cameras and wall lights. Replacement of the front entrance and garage doors, installation of timber side garden gates

  22 Oct 2026 Householder
• 26/3841/HSE Awaiting decision

  Manor House West Heath Close London NW3 7NJ

  New metal framed pergola to upper ground floor rear terrace

  Received 22 Oct, published by the council 23 Oct 2026 Householder