Trehaven St Andrews Close London N12 8BA

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

• 25/4717/192 Granted

  Trehaven St Andrews Close London N12 8BA

  Roof extension involving rear dormer window, 2no. front and 1no. rear and 1no. side facing rooflight

  Decided 9 Dec 2025 Lawful development

1. 9 Sep 2025

   Received by Barnet

2. 11 Sep 2025

   Decision issued: Trees: Exempt

3. 10 Aug 2026

   Added to PlanIndex

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.

Applications for works to trees cover protected trees: consent under a tree preservation order, or six weeks notice for trees in a conservation area. More in our guide to planning application types.

• Trehaven St Andrews Close London N12 8BA

  25/4717/192 Submitted 25 Nov 2025 50 yards away

  Roof extension involving rear dormer window, 2no. front and 1no. rear and 1no. side facing rooflight

  Granted Lawful development Extension Loft or dormer +1 16 docs

• 10 Squirrels Close London N12 8AY

  25/4379/192 Submitted 3 Nov 2025 50 yards away

  Single storey rear extension. Roof extension involving hip to gable, rear dormer window and replacement and insertion of 3no. front facing rooflights and new side gable window. Conversion of the existing garage into habitable room, insertion of window to replace garage door. New outbuilding

  Refused Lawful development Extension Loft or dormer +1 14 docs
  Small domestic

• 10 Squirrels Close London N12 8AY

  26/0520/HSE Submitted 10 Feb 2026 50 yards away

  Single storey rear extension. Roof extension involving hip to gable, rear dormer window reduction, 3no. front facing rooflights and new side gable window. Conversion of the existing garage into habitable room, insertion of window and door to replace garage door. Removal of rear decking and levelling of rear garden (AMENDED DESCRIPTION)

  Granted Householder Extension Loft or dormer +1 15 docs
  Small domestic

• Aldwick Court Sonia Gardens London N12 8BB

  TPP/0740/25 Submitted 5 Nov 2025 100 yards away

  1 x Sycamore - Reduce overall crown volume by approximately 5 metres (30%) to alleviate mechanical stress and improve balance. Undertake major thinning to reduce wind loading and improve light penetration by 15%. Remove all major dead wood throughout the crown to reduce risk of branch failure. Standing in Group G126 of Tree Preservation Order (amended description)

  Granted Trees 7 docs

• Aldwick Court Sonia Gardens London N12 8BB

  TPP/0789/25 Submitted 21 Nov 2025 100 yards away

  1 x Sycamore (applicants ref. T4) - Reduce lateral growth by 3 metres to clear building. Standing in Group G126 of Tree Preservation Order.

  Granted Trees 13 docs

• Aldwick Court Sonia Gardens London N12 8BB

  TPP/0619/25 Submitted 25 Sep 2025 100 yards away

  88% historically approved · decision due ~20 Nov

  1 x Sycamore (applicants ref. T4) - Reduce lateral growth by 3 metres to clear building. Standing in Group G126 of Tree Preservation Order.

  Awaiting decision Trees 4 docs

• TCP/0586/26 Awaiting decision

  29 Brookland Hill London NW11 6DU

  1 x Magnolia (applicants ref. T1) - Reduce back to previous points of reduction up to 1.00m. 1 x Ash (applicants ref. T2) - Reduce back to previous and most recent points of reduction approximately 2.00m.

  Received 23 Sep, published by the council 25 Sep 2026 Trees
• TCP/0479/26 Decided

  Kingshead The Ridgeway London NW7 1QX

  1x Common ash (Applicants ref. T8) - Remove major deadwood; reduce in height by 4M (to about 14M) and spread to the midpoint of the Ridgeway

  Received 18 Jun, published by the council 25 Sep 2026 Trees
• TCP/0346/26 Decided

  Rosebank Barn The Ridgeway London NW7 1QX

  3x Elm (Applicants ref. G9) - Dead or dying - remove or totemize (by 10M) and leave as dead wood resource no more than 5M in height 4x Common ash (Applicants ref. G10) - Heights range between 16-20M - Reduce in height and spread as indicated within the John Cromar report S1865-J1-R2 on page 13. (Amended description)

  Received 18 Jun, published by the council 25 Sep 2026 Trees
• TPP/0348/26 Granted

  Oak Lodge 67 West Heath Road London NW3 7AP

  1x Copper Beech (applicants ref. T1) - Fell to ground level as it died back. Standing in A27 of order

  Received 19 Jun, published by the council 9 Aug 2026 Trees
• TCP/0386/26 Decided

  Highwood House Highwood Hill London NW7 4HA

  1 x European Ash (applicants ref. T1) - Remove.

  Received 6 Jul, published by the council 9 Aug 2026 Trees