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
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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'
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26/1673/TPO Awaiting decision
5 Springwell Court Springwell Avenue Mill End Rickmansworth Hertfordshire WD3 8DL
T3 Beech- fell and replace
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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
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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
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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
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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
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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
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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.
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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)
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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.
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26/1651/TPO Awaiting decision
65 Northwick Road South Oxhey Watford Hertfordshire WD19 6NE
T11 Reduce branches/foliage on tree
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26/1653/FUL Awaiting decision
11 Hillcroft Crescent Oxhey Hall Watford Hertfordshire WD19 4PB
Demolition of existing shed and construction of new outbuilding
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26/1654/FUL Awaiting decision
47 Carpenders Avenue Carpenders Park Watford Hertfordshire WD19 5BS
Re-location of entrance and construction of front porch
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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
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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.
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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.
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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
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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
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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)
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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
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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...
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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)
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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
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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
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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.
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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
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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
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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.
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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.
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26/1616/FUL Awaiting decision
8 Rosemarie Close Leavesden Watford Hertfordshire WD25 7NP
Construction of a single storey front extension to the garage
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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.
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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
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26/1615/FUL Awaiting decision
6 Winton Crescent Croxley Green Rickmansworth Hertfordshire WD3 3QX
Construction of a single storey rear extension
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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
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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
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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.
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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.
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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%
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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
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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
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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.
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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
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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.
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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
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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
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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
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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
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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.
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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
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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
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Other months in 2026
- January 2026 30
- February 2026 49
- March 2026 141
- April 2026 153
- May 2026 140
- June 2026 144
- July 2026 141
- August 2026 129
- September 2026 130
- October 2026 65