Planning authority · 2026
Three Rivers planning applications 2026
1,178 public planning records from 2026 in the production OGL dataset, newest first, linked to council source pages.
Applications
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Three Rivers/26/0502/RSP
100 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3BX
Part-Retrospective: Demolition of existing bungalow and construction of two storey detached dwelling with associated parking and landscaping works
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Three Rivers/26/0512/DIS
3 Pembroke Road Moor Park Northwood Hertfordshire HA6 2HP
Discharge of Condition 6 (Arboricultural Impact Assessment) pursuant to planning permission 24/1622/FUL
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Three Rivers/26/0536/FUL
65 Bucknalls Lane Garston Watford Hertfordshire WD25 9NE
Construction of single storey side and rear extensions, conversion of garage into habitable accommodation and loft conversion including rear dormer window
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Three Rivers/26/0903/TPO
Bel Air Sandy Lane Northwood HA6 3ES
T1 on sketch plan - The tree is in the front garden of Bel-Air close to the boundary with Edgehill. On 26 August 2021 consemt was given by the local authority under reference LCS/21/1681/TP...
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Three Rivers/26/0912/DIS
Maple Cross House, Denham Way And Kier Offices Off Maple Lodge Close, Maple Cross Rickmansworth Hertfordshire WD3 9SW
Discharge of Conditions 12(Construction Environmental Management Plan), 13(Tree Protection Plan) and 41 (Habitat Management Plan and Monitoring Plan) pursuant to planning permission 24/1963...
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Three Rivers/26/0913/DIS
Maple Cross House, Denham Way And Kier Offices Off Maple Lodge Close, Maple Cross Rickmansworth Hertfordshire WD3 9SW
Discharge of Conditions 7(Flood Risk Assessment and Drainage Strategy) and 9(Construction Phase Surface Water Management Plan) pursuant to planning permission 24/1963/FUL
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Three Rivers/25/0896/FUL
Land At Woodside Road Woodside Road Abbots Langley Hertfordshire
Construction of 192no. dwellings (Use Class C3), public open space, landscaping, new vehicular access and pedestrian accesses and associated infrastructure.
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Three Rivers/26/0547/FUL
Downfield 49 Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AH
Demolition of existing outbuilding and construction of part-single, part-two storey front, side and rear extension, loft conversion with rear dormer windows, solar panels, rear balcony; lof...
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Three Rivers/26/0839/PDM
14 Bridge Road Hunton Bridge Kings Langley Hertfordshire WD4 8RE
Prior approval: Change of Use of the existing building (Class E) to a dwellinghouse (Use Class C3)
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Three Rivers/26/0884/FUL
103 Highfield Way Rickmansworth Hertfordshire WD3 7PN
Construction of single storey front extension; conversion of garage into habitable accommodation; alterations to rear fenestration
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Three Rivers/26/0891/PDE
20 Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AQ
Prior Approval: Single storey rear extension (depth 7.50 metres, maximum height 3.80 metres, maximum eaves height 2.80 metres)
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Three Rivers/26/0419/TCA
12 Ormonde Road Moor Park Northwood Hertfordshire HA6 2EL
Fir Tree- reduce height of tree by approx one third
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Three Rivers/26/0451/TPO
Spinneys Harefield Road Rickmansworth Hertfordshire WD3 1PS
T1 Remove Beech (10-12m) down to ground level/safe height due to ganoderma at base.The base of the tree has crumbling bark and shows signs of butt rot. Concerns of structural instabilityIt...
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Three Rivers/26/0475/FUL
12 The Byeway Rickmansworth Hertfordshire WD3 1JW
Installation of a greenhouse
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Three Rivers/26/0572/DIS
Woodoaks Farm Denham Way Maple Cross Rickmansworth Hertfordshire WD3 9XQ
Discharge of Condition 3(External materials) pursuant to planning permission 25/0154/FUL
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Three Rivers/26/0573/DIS
Woodoaks Farm Denham Way Maple Cross Rickmansworth Hertfordshire WD3 9XQ
Discharge of Condition 2(External materials) pursuant to planning permission 25/0155/LBC
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Three Rivers/26/0693/TPO
Erskine Hall Nursing Home Watford Road Northwood HA6 3PA
T8 Pedunculate oak Remove Dead Wood Over 50mm DiameterT8 Pedunculate oak Clear vegetation to allow access to basal areas of trees for inspection purposesT19 Pedunculate oak Remove material...
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Three Rivers/26/0698/TPO
35 Bishops Avenue Northwood HA6 3DD
T1 Oak. Reduce all branches by 1.5 metres to retain tree close to its current sizeT2 Ash. Fell the tree it is in poor condition. There is a large bracket fungus at about 7 metres most likel...
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Three Rivers/26/0728/FUL
69 Sycamore Road Croxley Green Rickmansworth Hertfordshire WD3 3TE
Construction of single-storey front extension, conversion of garage into habitable accommodation, extention of driveway
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Three Rivers/26/0743/TPO
Mandalay 92 Valley Road Rickmansworth Hertfordshire WD3 4BJ
The 3 trees are all silver birch and I think they need to be removed as I am worried that if they are diseased it will spread to the two ones at the back that look healthy.
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Three Rivers/26/0747/FUL
3 Lewes Way Croxley Green Rickmansworth Hertfordshire WD3 3SN
Demolition of existing garage, construction of part-single, part-two storey rear extension, single storey side extension and front projection, widening of vehicular crossover
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Three Rivers/26/0835/FUL
96 Hazelwood Lane Abbots Langley Hertfordshire WD5 0HD
Construction of single storey rear extension, alterations to ground floor side roof, installation of window to side elevation
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Three Rivers/26/0837/FUL
10 Lower Plantation Loudwater Rickmansworth Hertfordshire WD3 4PQ
Variation of Condition 2 (plans) pursuant to planning permission 23/0801/FUL to allow increase in width of the first floor side extension
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Three Rivers/26/0842/CLPD
Dykewood Chorleywood Road Rickmansworth Hertfordshire WD3 4ES
Certificate of Lawfulness Proposed Development: Installation of solar panels.
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Three Rivers/26/0888/FUL
49 Frankland Road Croxley Green Rickmansworth Hertfordshire WD3 3AS
Demolition of existing single storey rear extension and construction of single storey rear extension, widening of existing first floor rear bay window, alterations to loft level including e...
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Three Rivers/26/0845/RSP
Keepers Cottage Solesbridge Lane Chorleywood Rickmansworth Hertfordshire WD3 5SU
Part-Retrospective: Change of use of land for the stationing of caravans for residential purposes.
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Three Rivers/26/0872/FUL
Management Office The Hive Hatters Lane Watford Hertfordshire WD18 8AS
Change of use of building to allow for entire use as gym
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Three Rivers/26/0876/FUL
58 Windmill Drive Croxley Green Rickmansworth Hertfordshire WD3 3FE
Construction of two storey side extension including front dormer to first floor level, pitched roof to the existing front dormers, pitched roof to front porch and conversion of garage into...
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Three Rivers/26/0878/FUL
11 Field Way Rickmansworth Hertfordshire WD3 7EL
Conversion of garage into habitable accommodation, windows to side elevation, extension to existing front porch canopy
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Three Rivers/25/0980/RSP
Sands Shire Lane Chorleywood Rickmansworth Hertfordshire WD3 5NH
Retrospective: Removal of original front canopy porch; removal of original chimney stack; removal of original ridge tiles and finials; removal of original bargeboards; construction of singl...
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Three Rivers/26/0033/FUL
1A Grove Road Mill End Rickmansworth Hertfordshire WD3 8EB
Extensions to existing ground floor and extensions to create first and second floor accommodation, including rear dormer window, to provide 1no. self contained residential dwelling.
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Three Rivers/26/0073/RSP
9 The Crescent Croxley Green Rickmansworth Hertfordshire WD3 3DU
Part-Retrospective: Construction of part single, part two storey side extension, loft conversion including hip to gable extension and rear dormer and front/rear rooflights, alterations to e...
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Three Rivers/26/0122/FUL
Trinity Court Church Street Rickmansworth Hertfordshire WD3 1RT
Alterations to elevations of existing car park building to enclose upper floor for commercial use (Class E), including brickwork and windows; associated works including new ramp and stairca...
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Three Rivers/26/0219/FUL
Three Rivers House Northway Rickmansworth Hertfordshire WD3 1RL
Erection of entrance ramp with handrails, alteration to fenestration, ventilation grills, bin store and associated landscaping works.
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Three Rivers/26/0321/FUL
63 Sycamore Road Croxley Green Rickmansworth Hertfordshire WD3 3TE
Ground floor front/side infill extension, first floor rear extension, alterations to roof of existing rear projection; relocation of main entrance door; alterations to fenestrations; remova...
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Three Rivers/26/0373/ADV
15 Moneyhill Parade Uxbridge Road Rickmansworth Hertfordshire WD3 7BE
Advertisement Consent: Installation of internally illuminated fascia sign, and signs mounted on front/side of decking enclosure
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Three Rivers/26/0551/CLPD
The Drive Park Close Rickmansworth Hertfordshire WD3 1QH
Certificate of Lawfulness Proposed Development: Conversion of garage into habitable accommodation, alteration to rear fenestration
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Three Rivers/26/0719/DIS
Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP
Discharge of condition 25 (SuDS - Management and Maintenance Plan - Phases 3, 5 and 8) pursuant to planning permission 25/1308/FUL
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Three Rivers/26/0750/TPO
59 Berks Hill Chorleywood Rickmansworth Hertfordshire WD3 5AJ
see doc 2 work schedule
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Three Rivers/26/0789/NMA
Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP
Non-material amendment pursuant to planning permission 25/1545/FUL to allow Erection of 2no. access ladders and a change to the placement of the proposed signage.
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Three Rivers/26/0819/FUL
Willow Cottage Penmans Green Sarratt Kings Langley Hertfordshire WD4 9AZ
Demolition of existing conservatory and erection of two storey rear extension and single storey side extension
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Three Rivers/26/0823/FUL
7 Sherfield Avenue Rickmansworth Hertfordshire WD3 1NQ
Demolition of existing conservatory and single storey side extension, construction of single storey side and rear extension, first floor side extension, partial conversion of existing garag...
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Three Rivers/26/0873/BGP
Land South Of Old House Lane Kings Langley WD4 8RR
Discharge of Biodiversity Gain Plan pursuant to planning permission 25/1117/FUL
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Three Rivers/26/0874/TPO
41 Blacketts Wood Drive Chorleywood Rickmansworth Hertfordshire WD3 5PY
Oak- back garden- take down to ground level due to rot in base and honey fungus
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Three Rivers/26/0157/BGP
141 Hayling Road South Oxhey Watford Hertfordshire WD19 7DB
Discharge of Biodiversity Gain Plan pursuant to planning permission 25/1706/FUL
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Three Rivers/26/0338/RSP
Shoreham House Old Chorleywood Road Rickmansworth Hertfordshire WD3 4EH
Retrospective: Erection of raised rear patio with decking and glass balustrading alterations to land levels and astro-turf lawn area
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Three Rivers/26/0518/FUL
54 Abbots Road Abbots Langley Hertfordshire WD5 0BG
Construction of single storey side/rear extension and enclosing and conversion of open under-croft into habitable accommodation
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Three Rivers/26/0539/DIS
Land At Chilwell Gardens Chilwell Gardens South Oxhey Hertfordshire
Discharge of Condition 3 (Arboricultural method statement and tree protection) pursuant to planning permission 25/1643/FUL
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Three Rivers/26/0549/FUL
64 Tibbs Hill Road Abbots Langley Hertfordshire WD5 0ED
Construction of a single-storey front extension
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Three Rivers/26/0553/FUL
28 On The Hill Carpenders Park Watford Hertfordshire WD19 5DR
Loft extension including flat to pitch roof extension with increase in ridge height of existing dormer, side rooflights
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Three Rivers/26/0556/FUL
4 Basildon Close Croxley Green Watford Hertfordshire WD18 8WL
Conversion of garage into habitable accommodation
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Three Rivers/26/0647/PDE
39 Highfield Way Rickmansworth Hertfordshire WD3 7PP
Prior Approval: Single storey rear extension (depth 5.00 metres, maximum height 2.99 metres, maximum eaves height 2.99 metres)
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Three Rivers/26/0669/DIS
No.3 To No.6 Wolsey Business Park Tolpits Lane Hertfordshire WD18 9BL
Discharge of Condition 11(Remediation and Verification Strategy and Environmental Assessment) pursuant to planning permission 24/1137/FUL
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Three Rivers/26/0686/PDE
31 Barton Way Croxley Green Rickmansworth Hertfordshire WD3 3PA
Prior Approval: Single storey rear extension (depth 5.00 metres, maximum height 3.50 metres, maximum eaves height 3.00 metres)
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Three Rivers/26/0757/FUL
30 Broomfield Rise Abbots Langley Hertfordshire WD5 0HN
Demolition of utility room and construction of single storey front, side and rear extension; first floor rear extension.
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Three Rivers/26/0767/OUT
Woodview Oxhey Lane Carpenders Park Watford Hertfordshire WD19 5RB
Outline application: Erection of 1.no self-build dwelling (all matters reserved)
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Three Rivers/26/0824/FUL
9 The Fairway Northwood HA6 3DZ
Construction of single storey front and rear extension, replacement of windows.
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Three Rivers/26/0826/FUL
25 The Mead Carpenders Park Watford Hertfordshire WD19 5BX
Demolition of existing conservatory and erection of single storey rear extension, and windows to side elevations
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Three Rivers/26/0860/DIS
Round Coppice Bridle Lane Loudwater Rickmansworth Hertfordshire WD3 4JH
Partial Discharge of Condition 4 (Windows) pursuant to planning permission 25/2210/RSP
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Three Rivers/26/0465/FUL
Jacasupi Lower Plantation Loudwater Rickmansworth Hertfordshire WD3 4PQ
Construction of single storey rear extension with rear balcony at first floor.