18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

This site has had 5 applications since 2023: 2 approved, 2 refused.

• 26/1304/TCA Granted

  18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

  TG1 Cypress (Leyland) Remove TG2 Thuja Remove the closest x5 trees to the righthand flank of the subject property The tree works are proposed to stop the influence of the tree(s) on the soil below building foundation level and provide long term stability.to 12 Bedford Road Northwood HA6 2AZ

  Decided 10 Sep 2026 Trees
• 25/1178/FUL Withdrawn

  18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

  Demolition of existing garage and construction of part single, part two storey side and rear extension; first floor extension over garage including rear dormer window; loft conversion including rear dormer windows; erection of rear juliet balcony and front porch extension, internal alterations, alterations to rear patio and front driveway, with associated landscaping works

  Decided 9 Sep 2025 Full applications
• 24/2048/FUL Refused

  18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

  Partial demolition and construction of part single, part two storey rear extension, front porch extension, loft conversion including two rear dormers; part demolition of garage and construction of single storey front extension to existing garage to integrate with dwelling with increase in height of roof of garage and first floor accommodation served by rear dormer; internal alterations and alterations to fenestration.

  Decided 3 Mar 2025 Full applications
• 23/1230/FUL Refused

  18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

  Substantial demolition of existing dwelling and detached garage and construction of two storey front and rear extensions, first floor side extension, front porch, roof extensions including an increase in ridge height and associated alterations to patio, driveway, parking and landscaping works.

  Decided 24 Oct 2023 Full applications

1. 18 Aug 2024

   Received by Three Rivers

2. 23 Aug 2024

   Validated

   Checked as complete and ready for consideration.

3. 28 Aug 2024

   Decision issued: Approve

4. 1 Sep 2026

   Added to PlanIndex

Three Rivers granted permission on 28 August 2024, 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.

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.

• 18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

  26/1304/TCA Submitted 14 Aug 2026 50 yards away

  TG1 Cypress (Leyland) Remove TG2 Thuja Remove the closest x5 trees to the righthand flank of the subject property The tree works are proposed to stop the influence of the tree(s) on the soil below building foundation level and provide long term stability.to 12 Bedford Road Northwood HA6 2AZ

  Granted Trees

• 16 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

  23/1613/DIS Submitted 22 Sep 2023 50 yards away

  Discharge of Condition 3 (Arboricultural Method Statement), Condition 4 (Construction and Demolition Method Statement) and Condition 5 (Materials) pursuant to planning permission 22/1160/FUL

  Decided Conditions Demolition 19 docs

• 16 Thornhill Road Moor Park Hertfordshire HA6 2LW

  22/1160/FUL Submitted 16 Jun 2022 50 yards away

  Demolition of existing conservatory to the rear and construction of single storey side and rear extension and two storey rear extension including rear dormers.

  Granted Full applications Extension Loft or dormer +1 19 docs
  Small domestic

• Oriel Cottage 12 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

  22/1775/TCA Submitted 21 Sep 2022 50 yards away

  Conifer trees x 2 - front garden - dead/dying - fell

  Granted Trees 8 docs

• 18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

  24/2048/FUL Submitted 20 Dec 2024 50 yards away

  Partial demolition and construction of part single, part two storey rear extension, front porch extension, loft conversion including two rear dormers; part demolition of garage and construction of single storey front extension to existing garage to integrate with dwelling with increase in height of roof of garage and first floor accommodation served by rear dormer; internal alterations and alterations to fenestration.

  Refused Full applications Extension Loft or dormer +2 21 docs
  Small domestic

• 18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

  23/1230/FUL Submitted 20 Jul 2023 50 yards away

  Substantial demolition of existing dwelling and detached garage and construction of two storey front and rear extensions, first floor side extension, front porch, roof extensions including an increase in ridge height and associated alterations to patio, driveway, parking and landscaping works.

  Refused Full applications Extension Roofing +1 20 docs
  Small domestic

• 26/1659/TPO Awaiting decision

  4 Arundel Road Abbots Langley Hertfordshire WD5 0TP

  T1 - Scots pine x 1 - reduce crown by tip-thinning the lateral branches by around 1m to reduce overall density and shading to the garden area. As part of the works significant sized deadwood will be removed.

  Received 19 Oct, published by the council 22 Oct 2026 Trees
• 26/1651/TPO Awaiting decision

  65 Northwick Road South Oxhey Watford Hertfordshire WD19 6NE

  T11 Reduce branches/foliage on tree

  Received 16 Oct, published by the council 22 Oct 2026 Trees
• 26/1646/TPO Awaiting decision

  29 Hill Rise Rickmansworth Hertfordshire WD3 7NY

  Tree Number - T1 Tree Type - Copper beech (Fagus sylvatica) Approx. Diameter at 1.5m - 0.6m Approx. Height - 23m Approx. Crown Spread Diameter - 16 Service - Crown Reduction Work Required - Reduce lateral spread of the upper crown by up to 2m and the middle to lower crown by up to 3m, neighbors side only (no.27) Reason - As per clients wishes / to reduce encroachment Tree Number - T5 Tree Type - Silver birch (Betula pendula) Approx. Diameter at 1.5m - 0.4m Approx. Height - 14m Approx. Crown Spread Diameter - 13m Service - Crown Reduction Work Required - Reduce the lateral spread of the 2 over extended lateral limbs in the lower crown to the south and east by removing up to 3m Reason - As per clients wishes / to reduce encroachment over neighbors gardens

  Received 14 Oct, published by the council 16 Oct 2026 Trees
• 26/1644/TCA Awaiting decision

  Rosemary Cottage Rooks Hill Loudwater Rickmansworth Hertfordshire WD3 4HZ

  SYCAMORE x 3 - T1 - REDUCE TO OLD PRUNING POINTS & SHAPE APPROX 2.5 BEECH - T2 - REDUCE & SHAPE REMOVING APPROX 2.25M

  Received 14 Oct, published by the council 19 Oct 2026 Trees
• 26/1647/TPO Awaiting decision

  115 Windmill Drive Croxley Green Rickmansworth Hertfordshire WD3 3FB

  Ornamental cherry tree. Approx 18ft tall. Suffering from a canker. I'd like to fully remove the tree as it can't be treated and I don't want it spreading to my other trees. Marked on sketch plan. Sited next to garage in back garden.

  Received 14 Oct, published by the council 19 Oct 2026 Trees