46 Haslemere Avenue Barnet EN4 8EZ

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

• 26/1165/HSE Granted

  46 Haslemere Avenue Barnet EN4 8EZ

  Single storey rear extension with extended raised patio area with glass balustrade and external steps. Part conversion of the existing garage into a habitable room, including alterations to roof

  Decided 22 May 2026 Householder

1. 26 Mar 2026

   Received by Barnet

2. 27 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 2 Apr 2026

   Decision issued: Lawful

4. 25 Jul 2026

   Added to PlanIndex

Barnet granted permission on 2 April 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 46 Haslemere Avenue Barnet EN4 8EZ

  26/1165/HSE Submitted 26 Mar 2026 50 yards away

  Single storey rear extension with extended raised patio area with glass balustrade and external steps. Part conversion of the existing garage into a habitable room, including alterations to roof

  Granted Householder Extension 14 docs
  Small domestic

• 42 Haslemere Avenue Barnet EN4 8EZ

  25/4857/192 Submitted 4 Dec 2025 50 yards away

  80% historically approved · decision due ~30 Jan

  Roof extension involving hip to gable, rear dormer window, 1no. front facing rooflight and new side gable window

  Awaiting decision Lawful development Extension Loft or dormer +1 6 docs

• 42 Haslemere Avenue Barnet EN4 8EZ

  25/4855/HSE Submitted 4 Dec 2025 50 yards away

  77% historically approved · decision due ~29 Jan

  Single storey front extension including new porch. Single storey rear extension with new terrace area and access steps. Part single, part two storey side extension

  Awaiting decision Householder Extension 8 docs
  Small domestic

• 32 Haslemere Avenue Barnet EN4 8EZ

  26/1095/HSE Submitted 23 Mar 2026 100 yards away

  77% historically approved · decision due ~27 May

  Single storey front porch and rear extenision with access steps and patio area. Conversion of the existing garage into habitable room with new pitch roof and insertion of window to replace garage door

  Awaiting decision Householder Extension Windows or glazing 8 docs
  Small domestic

• 32 Haslemere Avenue Barnet EN4 8EZ

  25/5105/PNH Submitted 18 Dec 2025 100 yards away

  56% historically approved · decision due ~13 Feb

  Single-storey rear extension measuring a maximum 6.0m in depth from rear wall, 3.85m maximum height and eaves height

  Awaiting decision Prior approval Extension 9 docs
  Small domestic

• 32 Haslemere Avenue Barnet EN4 8EZ

  26/2512/192 Submitted 3 Jul 2026 100 yards away

  78% historically approved · decision due ~28 Aug

  Roof extension involving hip to gable, rear dormer window, 3no. front-facing rooflights and new side gable window following the removal of the chimney. Erection of a rear outbuilding. (Amended Description)

  Awaiting decision Extension Loft or dormer +1

• 26/2679/192 Granted

  21 Myddelton Park London N20 0JH

  Single storey rear extension and increase in ridge height of existing rear outrigger (Amended description).

  Received 20 Jul, published by the council 7 Aug 2026 Lawful development
• 26/1362/191 Refused

  145 Cotswold Gardens London NW2 1PL

  Use as a House in Multiple Occupation (HMO) for 6 people

  Received 14 Apr, published by the council 25 Jul 2026 Lawful development
• 26/1907/191 Granted

  8 Golders Manor Drive London NW11 9HT

  Use of the property as a self-contained residential unit at ground floor level and the first and second floors as a 4-bedroom, 4-person House in Multiple Occupation (Sui Generis) (AMENDED DESCRIPTION)

  Received 21 May, published by the council 16 Aug 2026 Lawful development
• 26/2392/192 Refused

  6 Mostyn Road Edgware HA8 0JD

  New front hardstanding and vehicular access to provide off-street parking

  Received 23 Jun, published by the council 9 Aug 2026 Lawful development
• 26/2059/192 Refused

  Low Ridge Rowley Lane Barnet EN5 3HS

  Erection of a rear outbuilding

  Received 3 Jun, published by the council 16 Aug 2026 Lawful development