20 Middleway London NW11 6SP

1. 20 Apr 2026

   Received by Barnet

2. 21 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 25 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 16 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 43 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 householder applications in a median of 56 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.

• 17 Thornton Way London NW11 6SE

  25/4277/HSE Submitted 27 Oct 2025 36m away

  77% historically approved · decision due ~23 Dec

  Changes to fenestration; new ground floor bay window, new dormer window on second floor both to south elevation

  Awaiting decision Householder Loft or dormer Windows or glazing 6 docs
  Domestic

• 35 Southway London NW11 6RX

  TCP/0658/25 Submitted 7 Oct 2025 48m away

  87% historically approved · decision due ~2 Dec

  1 x Mature Oak (applicants ref. T1) - Crown thin density by 25%, reduce back to clear building by 2 metres and lift by 4.2 metres. 1 x Sycamore (applicants ref. T2) - Remove 1 low lateral branch into main stem and shorten 2 Lateral branches by 1 metre into budding shoots.

  Awaiting decision Trees 3 docs

• 23 Middleway London NW11 6SN

  TCP/0508/25 Submitted 15 Aug 2025 52m away

  1 x Rowan Mountain Ash - Reduce crown by approximately 10% and thin out by 1-1.5 metres. 1 x Apple - Reduce crown by approximately 10% by 1 metre. 1 x Plum - Reduce crown by approximately 10% and thin out by 1-1.5 metres.

  Decided Trees 4 docs

• 23 Middleway London NW11 6SN

  TCP/0051/26 Submitted 26 Jan 2026 52m away

  87% historically approved · decision due ~23 Mar

  1 x Rowan - Fell to gound level. Exempt work.

  Awaiting decision Trees 1 doc

• 15 Middleway London NW11 6SN

  TCP/0797/25 Submitted 26 Nov 2025 58m away

  87% historically approved · decision due ~21 Jan

  1 x Mature Beech (applicants ref. T1) - Approximately 9.00m. Reduce overlong branches which protrude from the crown back into the main crown structure, effectively reducing the crown by approximately 1.20m all round. Thin crown density throughout by 20-25%. Remove dead wood and epicormic growth. General maintenance. 1 x Birch (applicants ref. T2) - Approximately 6.00m. Reduce crown by approximately 1.20m, Thin crown density by 20%. Raise crown by 1.20m. General maintenance.

  Awaiting decision Trees 4 docs

• 13 Middleway London NW11 6SN

  TCP/0222/26 Submitted 16 Apr 2026 62m away

  1 x Hawthorn (applicants ref. T1) - Approximately 5.00m: Reduce lateral and sub lateral branches overhanging the pavement and garden building entrance by approximately 1.20m-1.40m whilst preserving ample secondary furnishing growth. Reduce remaining crown by approximately 1.20m all round to shape and balance. Thin crown density by 20%-25%. Remove dead wood throughout crown. General maintenance. 1 x Mature Cherry (applicants ref. T2) - Approximately 5.00m: Raise crown over the garden building by approximately 1.00m to provide sufficient clearance of the building. Remove major dead wood throughout the crown. General maintenance. 1 x Mature Cherry (applicants ref. T3) - Approximately 5.00m-6.00m: Corner tree: Remove major dead wood throughout the crown. Remove two compromised limbs, pruning decaying stem to a suitable point, in order to remove hazard. Thin crown density by approximately 20%. Reduce overlong branches back into the main crown structure, reducing up to approximately 1.20m. General maintenance. 1 x Scarlett Hawthorn (applicants ref. T4) - Approximately 4.50m: Thin crown density by 20% by means of removing epicormic growth and rubbing branches. General maintenance.

  Decided Trees 5 docs

• 26/3396/HSE Awaiting decision

  43 Dukes Avenue London N3 2DE

  Single storey rear, part two storey side extension with 1no. rooflight following the demolition of existing shed. Roof extension with rear dormer window, 1no. front, 3no. side facing rooflights and roof windows to the front and side roof slopes. Installation of solar panels to side elevation of roof

  17 Sep 2026 Householder
• 26/3410/HSE Awaiting decision

  54 Ferney Road Barnet EN4 8LE

  Single storey rear extension with alteration to the raised terrace area including new access steps to garden

  17 Sep 2026 Householder
• 26/3385/HSE Awaiting decision

  Three Gables Bungalow Boyne Avenue London NW4 2JL

  Excavation of basement level with associated front and western lightwells. Single storey rear extensions with new patio area. Alterations to ground levels. Formation of first floor with new pitched gable roof with 2no. front and 2no. rear dormers and 2no. front facing, 2no side rooflights with associated hard and soft landscaping

  16 Sep 2026 Householder
• 26/3386/HSE Awaiting decision

  9 Colin Gardens London NW9 6EL

  Single storey rear extension with 1no. rooflight following demolition of the existing garage

  16 Sep 2026 Householder
• 26/3363/HSE Awaiting decision

  125 Park Road Barnet EN4 9QN

  Single storey side / rear extension including garage with 1no. roof lantern following the demolition of existing garage and front porch. Roof extension involving hip to gable on both sides with rear dormer window and 3no. front facing rooflights

  15 Sep 2026 Householder