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Planning application

18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

Granted Three Rivers 26/1304/TCA Trees

Works: Trees

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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

As published by the council, reference 26/1304/TCA

Application record

Reference
26/1304/TCA
Category
Trees
Status
Unknown
Decision
Granted As published: Consent given on work to Tree apps
Received
14 Aug 2026
Validated
14 Aug 2026
Decided
10 Sep 2026
Postcode
HA6 2LW

Site history

Applications at this address on the Three Rivers register

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

  • 25/1178/FUL Withdrawn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
  • 24/1324/DDD Granted

    18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

    Willow Tree - Fell

    Decided 28 Aug 2024 Trees
  • 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

Timeline

Dates from the published record

  1. 14 Aug 2026

    Received by Three Rivers

  2. 19 Aug 2026

    Added to PlanIndex

  3. 20 Aug 2026

    Status changed to Awaiting decision

    Previously Pending Consideration.

  4. 10 Sep 2026

    Decision issued: Consent given on work to Tree apps

  5. 10 Sep 2026

    Status changed to Unknown

    Previously Awaiting decision.

What this grant of permission means

Three Rivers granted permission on 10 September 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.

About tree works applications

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.

Nearby applications

Within 0.3 miles

  • 18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

    24/1324/DDD Submitted 18 Aug 2024 50 yards away

    Willow Tree - Fell

    Granted Trees 11 docs

  • 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

In Three Rivers

  • 26/1673/TPO Awaiting decision

    5 Springwell Court Springwell Avenue Mill End Rickmansworth Hertfordshire WD3 8DL

    T3 Beech- fell and replace

    Received 22 Oct, published by the council 23 Oct 2026 Trees
  • 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
  • 26/1649/TPO Awaiting decision

    5 The Beeches Chorleywood Rickmansworth Hertfordshire WD3 5DT

    Tree Number - T2 Tree Type - Sycamore (Acer pseudoplatanus) Approx. Diameter at 1.5m - 0.5m Approx. Height - 16m Approx. Crown Spread Diameter - 8m Location - 4 The Beeches Service - Crown Reduction Work Required - Reduce height by up to 3m. Reason - As per clients specification / to reduce wind sail and allow more light into the garden Priority Code - On

    Received 15 Oct, published by the council 23 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