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Archive · Three Rivers · 2026

Planning applications in Three Rivers, October 2026

Three Rivers recorded 65 planning applications in October 2026, listed newest first over 2 pages. Dates are as received, or as decided where the council publishes no submission date.

Applications, October 2026

Newest first ยท page 1 of 2

  • 26/1683/PDI Decided

    LEC1 56 Oxhey Grange Oxhey Hall Hertfordshire

    Permited Development: Demolition of rail bridge and installation of a temporary bridge at 'LEC1 56 Oxhey Grange'

    Submitted 23 Oct 2026
  • 26/1673/TPO Awaiting decision

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

    T3 Beech- fell and replace

    Submitted 22 Oct 2026 Trees
  • 26/1667/CLPD Awaiting decision

    36 Parkfield Chorleywood Rickmansworth Hertfordshire WD3 5AZ

    Certificate of Lawfulness Proposed Development: Erection of front brick boundary wall and piers and metal gates

    Submitted 21 Oct 2026
  • 26/1669/DIS Awaiting decision

    Maple Cross House And Kier Southern Building Maple Cross Rickmansworth WD3 9SE

    Discharge of Condition 23 (details of unit 6 external plant) pursuant to planning permission 24/1963/FUL

    Submitted 21 Oct 2026
  • 26/1670/NMA Awaiting decision

    Maple Cross House, Denham Way And Kier Offices Off Maple Lodge Close, Maple Cross Rickmansworth Hertfordshire WD3 9SW

    Non-Material Amendments pursuant to planning permission 24/1963/FUL to allow the relocation of two trees

    Submitted 21 Oct 2026 Amendments
  • 26/1663/FUL Awaiting decision

    161 New Road Croxley Green Rickmansworth Hertfordshire WD3 3HB

    Construction of first floor rear extension and front porch; internal alterations and alterations to fenestration including new windows to side elevation; alterations to external materials including insulated render and timber cladding

    Submitted 20 Oct 2026 Full applications
  • 26/1664/FUL Awaiting decision

    3 Pembroke Road Moor Park Northwood Hertfordshire HA6 2HP

    Variation of condition 2 (plans) pursuant to planning permission 24/1622/FUL to allow alterations to front entrance door and garage door

    Submitted 20 Oct 2026 Full applications
  • 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.

    Submitted 19 Oct 2026 Trees
  • 26/1658/PDE Awaiting decision

    99 St Georges Drive Carpenders Park Watford Hertfordshire WD19 5HE

    Prior Approval: Construction of a single-storey rear extension (depth 6m, maximum height 3.7m, maximum eaves height 2.82m)

    Submitted 19 Oct 2026
  • 26/1657/NMA Awaiting decision

    123 High Street Rickmansworth Hertfordshire WD3 1AN

    Non-Material Amendments to planning permission 26/1091/FUL to allow alteration to design of combined defibrillator and bleed kit cabinet.

    Submitted 19 Oct 2026 Amendments
  • 26/1651/TPO Awaiting decision

    65 Northwick Road South Oxhey Watford Hertfordshire WD19 6NE

    T11 Reduce branches/foliage on tree

    Submitted 16 Oct 2026 Trees
  • 26/1653/FUL Awaiting decision

    11 Hillcroft Crescent Oxhey Hall Watford Hertfordshire WD19 4PB

    Demolition of existing shed and construction of new outbuilding

    Submitted 16 Oct 2026 Full applications
  • 26/1654/FUL Awaiting decision

    47 Carpenders Avenue Carpenders Park Watford Hertfordshire WD19 5BS

    Re-location of entrance and construction of front porch

    Submitted 16 Oct 2026 Full applications
  • 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

    Submitted 15 Oct 2026 Trees
  • 26/1643/DDD Awaiting decision

    Land Adjacent To Mansard South Approach Moor Park Northwood Hertfordshire HA6 2EU

    Scotts Pine (Pinus sylvestris) - to be felled to ground. With trunk cut into sections and stacked in the spinney to create an insect supporting environment.

    Submitted 14 Oct 2026
  • 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.

    Submitted 14 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

    Submitted 14 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

    Submitted 14 Oct 2026 Trees
  • 26/1645/PDE Awaiting decision

    13 Curtis Close Mill End Rickmansworth Hertfordshire WD3 8QA

    Prior Approval: Construction of a single storey rear extension (depth 3.2m, maximum height 2.95m, maximum eaves height 2.87m)

    Submitted 14 Oct 2026
  • 26/1633/DIS Awaiting decision

    Kier Southern Ltd Maple Lodge Close Maple Cross Hertfordshire

    Discharge of Condition 22 (operational noise management plan) pursuant to planning permission 24/1963/FUL

    Submitted 13 Oct 2026
  • 26/1634/DDD Awaiting decision

    61 Wolsey Road Moor Park Northwood Hertfordshire HA6 2ER

    5-DAY NOTICE OF URGENT WORKS This notice concerns four trees (T1 to T4) at my property, 61 Wolsey Road, which are protected by virtue of their location within the Moor Park Conservation Area. Trees have all been inspected by a tree expert and the following documents support this submission: Tree Schedule, Site Location Plan, Photographs and Mitigation & Canopy Replacement Plan. I submit this urgent tree-works notification for consideration under the five-day procedure for urgent safety work. T1 (Chusan Palm) reported to be dead, with no live foliage. Proposal to fell and replace. T2 (Western Red Cedar) reported to be dead, with no live foliage. Proposal to fell and replace. T3 and T4 (Western Red Cedars) are reported to have advanced physiological and structural decline, with serious defects (including recent mechanical limb failure and active longitudinal trunk split) that pose immediate risk. Urgent works have been recommended by a qualified expert under Regulation 14(1)(c) to remove the immediate risk of serious harm to occupied homes and their occupants, given the proximity to 63 Wolsey Road and 61 Wolsey Road. Accordingly, the proposal is to promptly fell and replace the tress to address the documented safety risk. The submission requests the Council?s written confirmation that the works may proceed under the urgent procedure. If the Council requires any additional information, please advise immediately. Method and site safety: A suitably qualified and insured tree surgeon will undertake the works in accordance with the attached method statement and relevant tree-work standards, including BS3998:2010. Before works begin, the contractor will establish an exclusion zone and put in place proportionate controls to protect neighboring property, occupants, pedestrians, utilities and the workforce. Access and inspection: The trees are available for Council inspection. Please contact me using the details below to arrange access. Replacement planting: I am c...

    Submitted 13 Oct 2026
  • 26/1642/NAC Awaiting decision

    Heathrow West Heathrow Airport Hounslow Middlesex TW6 2GW

    Neighbouring Authority Consultation: EIA Scoping consultation from The Planning Inspectorate relating to application for Development Consent for the Heathrow West development. (PINS Reference TR020004)

    Submitted 13 Oct 2026
  • 26/1624/TCA Awaiting decision

    2 South Cottage 23 South Cottage Gardens Chorleywood Rickmansworth Hertfordshire WD3 5EF

    Oak (larger) - back left boundary - to reduce height by 2.5 metres and sides by 2 metres to cut away from building and take weight out of limbs Oak (smaller)- back left boundary, left or larger oak- Reduce height by 2.5 and sides by 2 Metres to take weight

    Submitted 12 Oct 2026 Trees
  • 26/1620/FUL Awaiting decision

    17 Rendlesham Way Chorleywood Rickmansworth Hertfordshire WD3 5HS

    Demolition of existing rear conservatory and construction of single storey rear extension

    Submitted 12 Oct 2026 Full applications
  • 26/1622/TPO Awaiting decision

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

    Works: Fell T1, T2 to ground level and replace with 2 smaller species (8-10cm girth) to be agreed with the Council's Tree Officer but could be Rowan (Sorbus aucuparia), Field Maple (Acer campestre), or Amelanchier (Amelanchier lamarckii), each species is well suited to a small residential garden.

    Submitted 12 Oct 2026 Trees
  • 26/1632/DIS Awaiting decision

    Chapel Royal Masonic School Rickmansworth Park Rickmansworth Hertfordshire WD3 4HF

    Discharge of Condition 5 (Material samples - rainwater goods) pursuant to planning permission 25/1090/LBC

    Submitted 12 Oct 2026
  • 26/1627/FUL Awaiting decision

    Marthas Vineyard Violet Way Loudwater Rickmansworth Hertfordshire WD3 4JP

    Demolition of rear porch; construction of two storey side extensions; construction of front entry porch; conversion of garage into habitable accommodation; removal of six trees; alterations to the fenestration; internal alterations

    Submitted 12 Oct 2026 Full applications
  • 26/1625/DDD Awaiting decision

    Emerald Cottage 7 Askew Road Moor Park Northwood Hertfordshire HA6 2JE

    There is one lone willow tree that is clearly dead because there has been no foliage since last autumn. It is very close to the hedge separating us with number 5 Askew Road. We are concerned that branches falling from the tree may cause damage and/or injury to children in both gardens.

    Submitted 12 Oct 2026
  • 26/1618/TCA Awaiting decision

    St Saviours Parish Church The Crescent Abbots Langley Hertfordshire WD5 0DS

    Sycamaore -1m/1.5m crown reduction which would take the tree back to previous pruning point.

    Submitted 9 Oct 2026 Trees
  • 26/1616/FUL Awaiting decision

    8 Rosemarie Close Leavesden Watford Hertfordshire WD25 7NP

    Construction of a single storey front extension to the garage

    Submitted 9 Oct 2026 Full applications
  • 26/1617/TPO Awaiting decision

    11 Lime Tree Walk Rickmansworth Hertfordshire WD3 4BX

    Lime Tree in front garden. Reduce bi 1-1.5m not exceding previous pruning points.

    Submitted 9 Oct 2026 Trees
  • 26/1619/FUL Awaiting decision

    12 Margeholes Carpenders Park Watford Hertfordshire WD19 5AP

    Construction of a single storey side and rear extension; conversion of garage into habitable accommodation

    Submitted 9 Oct 2026 Full applications
  • 26/1615/FUL Awaiting decision

    6 Winton Crescent Croxley Green Rickmansworth Hertfordshire WD3 3QX

    Construction of a single storey rear extension

    Submitted 9 Oct 2026 Full applications
  • 26/1608/FUL Awaiting decision

    94 Wolsey Road Moor Park Northwood Hertfordshire HA6 2EH

    Construction of part single, part two storey rear extension; loft conversion including increase in ridge height with front and rear dormer windows, internal alterations and new windows to side elevation

    Submitted 7 Oct 2026 Full applications
  • 26/1609/FUL Awaiting decision

    Maintenance Compund The Aquadrome Frogmoor Lane Rickmansworth Hertfordshire

    Demolition of existing office building; construction of replacement office building with solar panels; alterations to the shed including alterations to external materials, alterations to the fenestration, installation of solar panels; construction of new canopy with solar panels; construction of enclosed bin storage; alterations to the boundary treatment; alterations to vehicular access; installation of french drain and associated works

    Submitted 7 Oct 2026 Full applications
  • 26/1612/TPO Awaiting decision

    Meresworth Residential Home Dellwood Rickmansworth Hertfordshire WD3 7EJ

    G1- Hedge Row of yew trees, reduce back from the building to give 1.5 metre clearance and reduce the height by 1.5 - 2 metres to allow more light into the building.

    Submitted 7 Oct 2026 Trees
  • 26/1602/TPO Awaiting decision

    Neruda Violet Way Loudwater Rickmansworth Hertfordshire WD3 4JP

    To crown reduce Lime Tree, thin 10-15% of live branches to allow more light and air penetration throughout the canopy. To reduce windsail effect therefore reduce chance of failure. Most thinning cuts made will be between 1 to 2 inches. Reduce the height and spread of the tree by approximatey 4m and 2m. Approximately 18m height reduce to 14m and reducing width from 8m to 6m. To lift and raise canopy on beech in clients drive to a create a minimum clearance of 6m from the ground.

    Submitted 7 Oct 2026 Trees
  • 26/1611/TPO Awaiting decision

    15 Chestnut Avenue Rickmansworth Hertfordshire WD3 4HA

    Tree Number - T1 Tree Type - Common Beech (Fagus Sylvatica) Approx. Diameter at 1.5m - 0.4m Approx. Height - 9m Approx. Crown Spread Diameter - 9m Service - Crown Reduction Work Required - Reduce height by up to 3m and lateral spread on all sides by up to 2m, Pruning to suitable growth points where possible, to finished crown dimensions of 6m height and 5m lateral spread. Crown thin by 10%

    Submitted 7 Oct 2026 Trees
  • 26/1601/FUL Awaiting decision

    Hertford Place Denham Way Maple Cross Hertfordshire

    Variation of Condition 27 (No Additional Floorspace) Pursuant to planning permission 22/0033/FUL to allow the creation of mezzanines

    Submitted 7 Oct 2026 Full applications
  • 26/1603/FUL Awaiting decision

    Langleybury House And Film Centre Langleybury Lane Langleybury Hertfordshire

    Variation of Condition 1 (Temporary Consent) pursuant to planning permission 24/0666/RSP to allow the extension of temporary permission for a further 36 months

    Submitted 7 Oct 2026 Full applications
  • 26/1596/TPO Awaiting decision

    1 Badgers Dell Chorleywood Rickmansworth Hertfordshire WD3 5FE

    Tree Number - T1 Tree Type - Hornbeam (Carpinus betulus) Work Required - Crown reduce by removing approx 5m from height and 2m from sides to shape, pruning to suitable growth points. Reason -To reduce windsail effect. Tree is sitting on a steep bank and half of its root system is exposed.

    Submitted 6 Oct 2026 Trees
  • 26/1599/TCA Awaiting decision

    9 Dugdales Croxley Green Rickmansworth Hertfordshire WD3 3JL

    T1 & T2 Thuja removal. Replaced with x 2 hawthorns. These works have been agreed with neighbours such that the Coach House can undertake their building works (26/1233/FUL refers). See associated tree report and drawing

    Submitted 6 Oct 2026 Trees
  • 26/1598/FUL Awaiting decision

    Building 3 Suites 5-6 Hatters Lane Watford Hertfordshire WD18 8YG

    Part change of use of building 3 (Class E(g) / B2 / B8) to use as a medical facility (Class E(e)); external alterations including gas storage and a liquid nitrogen generator.

    Submitted 6 Oct 2026 Full applications
  • 26/1595/TPO Awaiting decision

    Glen Cottage Trout Rise Loudwater Rickmansworth Hertfordshire WD3 4JZ

    Tree Number - T2 Tree Type - Ash (Fraxinus excelsior) Approx. Diameter at 1.5m - 0.65m Approx. Height - 18m Approx. Crown Spread Diameter - 12m Location - see map Service - Section dismantle Work Required - Section dismantle tree to near ground level Reason - Large cavity at base with rot. Probe when 40cm + into base of stem. Priority Code - B Tree Number - T3 Tree Type - Dead tree Approx. Diameter at 1.5m - 0.5m Approx. Height - 16m Approx. Crown Spread Diameter - 10m Location - See map Service - Section dismantle Work Required - Section dismantle tree to near ground level Reason - Tree is dead Priority Code - A Tree Number - T4 Tree Type - Sycamore (Acer pseudoplatanus) Approx. Diameter at 1.5m - 0.4m Approx. Height - 14m Approx. Crown Spread Diameter - 8m Location - See map Service - Section dismantle Work Required - Section dismantle tree to near ground level Reason - Large cavity with rot at ground level. Removal to eliminate likelihood of failure Priority Code - A Tree Number - T5 Tree Type - Sycamore Approx. Diameter at 1.5m - 0.55m Approx. Height - 16m Approx. Crown Spread Diameter - 10m Location - See map Service - Section dismantle Work Required - Section dismantle tree to near ground level Reason - Cavity throughout the whole diameter of the tree. (Probe passes through the whole stem.) Priority Code - A

    Submitted 6 Oct 2026 Trees
  • 26/1591/FUL Awaiting decision

    Rusper Nottingham Road Heronsgate Rickmansworth Hertfordshire WD3 5DN

    Variation of Condition 2 (Plans) Pursuant to planning permission 26/0236/FUL (26/0022/REF) to allow alterations to design

    Submitted 6 Oct 2026 Full applications
  • 26/1600/TCA Awaiting decision

    16 Dickinson Square Croxley Green Rickmansworth Hertfordshire WD3 3HA

    T1 Cherry Tree reduce back to most previous points, approx 2-2.5m from height and approx 1.5m from sides to balance crown

    Submitted 6 Oct 2026 Trees
  • 26/1588/TPO Awaiting decision

    Appleby Drive Croxley Green Hertfordshire

    T1: Oak (height 18m, spread 10m) Crown reduce by 1.5m-2m/ back to previous pruning points, remove epicormic and basal growth T2: Oak (height 18m, spread 5-6m) Crown reduce by 1.5m-2m/ back to previous pruning points, remove epicormic and basal growth T3: Oak (height 18m, spread 10m) Crown reduce by 1.5m-2m/ back to previous pruning points, remove epicormic and basal growth T4: Lime (height 22m, spread 10m) Pollard back to previous pruning points, approx 3.5m pruning lengths from crown theight, 2m pruning lengths from laterals T5: Lime (height 22m, spread 8m) Pollard back to previous pruning points, approx 3.5m pruning lights from crown height, 1-1.5m pruning lengths from laterals T6: Lime (height 22m, spread 10m)Pollard back to previous pruning points, approx 3.5m pruning lengths from crown theight, 2m pruning lengths from laterals

    Submitted 6 Oct 2026 Trees
  • 26/1590/TCA Awaiting decision

    Batchworth Place Church Street Rickmansworth Hertfordshire WD3 1JE

    G1 Group of Hazel; Re-coppice at previous points at a height of approximately 1.2 metres. G2 Group of Hazel; Coppice all stems to ground level and leave for regen. G3 - Approximately 4-5 No. Lime; Pollard, removing all upper branch growth, back to viable growth points at a height of approximately 8.0 metres.

    Submitted 6 Oct 2026 Trees
  • 26/1578/FUL Awaiting decision

    137 High Street Rickmansworth Hertfordshire WD3 1AR

    Part change of use of the ground floor and first floor commercial premises to residential use (Use Class C3)and creation of two residential flats including construction of a first floor rear extension and installation of rooflights to rear, internal alterations; associated external alterations, cycle and refuse storage

    Submitted 5 Oct 2026 Full applications
  • 26/1594/DIS Awaiting decision

    96 Ashridge Drive South Oxhey Watford Hertfordshire WD19 6UQ

    Discharge of Condition 3 (Materials) pursuant to planning permission 25/1401/FUL

    Submitted 5 Oct 2026

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