266 Mays Lane Barnet EN5 2QG

This site has had 2 applications since 2025: 0 approved, 1 refused.

• 25/4380/PNH Refused

  266 Mays Lane Barnet EN5 2QG

  Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.15 metres and eaves height of 2.30 metres, following demolition of the existing extension.

  Decided 15 Dec 2025 Prior approval

1. 2 Apr 2026

   Received by Barnet

2. 24 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 25 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 19 June 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Barnet took a median of 44 days over the applications it decided in the last year.

This application is with Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided prior approval applications in a median of 36 days. More in our guide to how long planning decisions take.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 266 Mays Lane Barnet EN5 2QG

  25/4380/PNH Submitted 3 Nov 2025 50 yards away

  Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.15 metres and eaves height of 2.30 metres, following demolition of the existing extension.

  Refused Prior approval Extension Demolition 34 docs
  Small domestic

• 56 Stanhope Road Barnet EN5 2QP

  25/4214/HSE Submitted 21 Oct 2025 100 yards away

  Single storey rear extension following demolition of the existing conservatory. Single storey front extension. First floor side extension. Roof extension with hipped roof, rear dormer window and 2no. front and 1no. side facing rooflights

  Refused Householder Extension Loft or dormer +2 9 docs
  Small domestic

• 8 Southfield Barnet EN5 2AS

  26/0398/192 Submitted 3 Feb 2026 100 yards away

  80% historically approved · decision due ~1 Apr

  Roof extension involving rear dormer window with juliette balcony and 2no. front facing rooflights

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

• 8 Southfield Barnet EN5 2AS

  26/0399/PNH Submitted 3 Feb 2026 100 yards away

  58% historically approved · decision due ~1 Apr

  Single storey rear extension with a proposed depth of 5.00 metres, maximum height of 3.45 metres and eaves height of 3.00 metres, following demolition of existing conservatory.

  Awaiting decision Prior approval Extension Demolition 7 docs
  Small domestic

• 6 Dormer Close Barnet EN5 2QW

  26/2894/PNH Submitted 5 Aug 2026 200 yards away

  58% historically approved · decision due ~30 Sep

  Single storey rear extension with a proposed depth of 4.85 metres, maximum height of 3.942 metres and eaves height of 2.57 metres.

  Awaiting decision Prior approval Extension
  Small domestic

• 6 Dormer Close Barnet EN5 2QW

  26/2895/HSE Submitted 5 Aug 2026 200 yards away

  77% historically approved · decision due ~30 Sep

  Single storey front extension with hipped roof and new access steps

  Awaiting decision Householder Extension
  Small domestic

• 26/3407/PNH Awaiting decision

  12 Ingleway London N12 0QJ

  Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 2.75 metres and eaves height of 2.75 metres, following demolition of the existing conservatory.

  17 Sep 2026 Prior approval
• 26/3384/PNH Awaiting decision

  68 Grasvenor Avenue Barnet EN5 2DB

  Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.70 metres and eaves height of 3.00 metres. Following demolition of the existing garage.

  Received 16 Sep, published by the council 18 Sep 2026 Prior approval
• 26/3322/PNH Awaiting decision

  35 Aldridge Avenue Edgware HA8 8TA

  Single storey rear extension with a proposed depth of 6 metres, maximum height of 3 metres and eaves height of 3 metres.

  Received 11 Sep, published by the council 16 Sep 2026 Prior approval
• 26/3337/PNH Awaiting decision

  103 Brunswick Park Road London N11 1JT

  Single storey rear extension with a proposed depth of 6 metres, maximum height of 4 metres and eaves height of 3 metres. Following demolition of the existing garage.

  Received 11 Sep, published by the council 15 Sep 2026 Prior approval
• 26/3320/PNH Awaiting decision

  31 Woodlands London NW11 9QJ

  2no. single-storey rear extensions with a proposed depth of 6 metres, maximum height of 4 metres and eaves height of 3 metres, following demolition of the existing rear extension and patio. (Amended description)

  Received 10 Sep, published by the council 15 Sep 2026 Prior approval