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/26/0632/FUL
1 Hall Close Mill End Rickmansworth Hertfordshire WD3 8US
Variation of Condition 3(Materials) pursuant to planning permission 25/2203/FUL to allow alterations to external materials including installation of external insulation and render to gable-...
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Three Rivers/26/0746/PDE
15 Bramley Gardens South Oxhey Watford Hertfordshire WD19 6YD
Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 2.90 metres, maximum eaves height 2.80 metres)
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Three Rivers/26/0759/TPO
2 Blairhead Drive South Oxhey Watford Hertfordshire WD19 7RA
Tree ID: T1? Species: Sycamore? Works: Lateral reduction of limbs overhanging 2 Blairhead Drive by 3.5m back to the boundary line, and a crown lift to 4m above ground level.
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Three Rivers/26/0761/TPO
Beechwood House Berry Lane Chorleywood Rickmansworth Hertfordshire WD3 5ED
Tree Number - T2Tree Type - Leyland Cypress (x Cupressocyparis leylandii)Approx. Height - 6mApprox. Crown Spread Diameter - 3mLocation - Rear garden, Left hand boundary Service - Crown Redu...
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Three Rivers/26/0762/TCA
The Old House 3 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3DL
G1-Mixed species group-Lift crowns to 5 metres from road, cut back to behind kerb, and cut away from phone lines all to maintain size and shape for the location.
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Three Rivers/26/0787/TPO
First Chorleywood Scout Headquarters Orchard Drive Chorleywood Hertfordshire
T1 - Chestnut - Clear low hanging branches from rear shed, back to growth points behind fence / on main stem of neighbours tree, to clear canopy from shed roofT2 - Chestnut - Reduce lateral...
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Three Rivers/26/0790/TPO
1 The Grove Little Green Lane Croxley Green Rickmansworth Hertfordshire WD3 3JN
T1 Cedar - remove x 1 lateral limb (5m) extending out over property. This limb is highly vunerable and stands alone on that side of the tree as the other lateral limbs have already broken o...
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Three Rivers/26/0794/TCA
156 Oaklands Avenue Oxhey Hall Watford Hertfordshire WD19 4LQ
Tree Number: T3Tree Type: Holly TreeWork required: Reduce the overall height of the holly tree by approximately 1?2 metres to manage size and maintain proportional form. Carry out a reshape...
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Three Rivers/26/0795/TCA
88 Ebury Road Rickmansworth Hertfordshire WD3 1BN
TREE NUMBER - T1TREE TYPE - BIRCH (BETULA PENDULA)LOCATION - REAR GARDENSERVICE - CROWN REDUCTIONWORK REQUIRED - CROWN REDUCE BY REMOVING 2M FROM HEIGHT AND 1.5M IN OVERALL SPREADREASON - T...
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Three Rivers/26/0829/FUL
5 James Way South Oxhey Watford Hertfordshire WD19 6HL
Demolition of existing conservatory and construction of single storey rear extension, loft conversion with rear dormer and front rooflight
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Three Rivers/26/0834/NAC
Hartsbourne Country Club, Hartsbourne Avenue, Bushey Heath, Bushey, Hertfordshire, WD23 1JW
Neighbouring Authority Consultation: Hertsmere Borough Council - Variation of condition 2 (plans) to allow for changes to site layout and condition 7 (land contamination) to amend implement...
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Three Rivers/26/0928/CLPD
50 Harthall Lane Kings Langley Hertfordshire WD4 8JH
Certificate of Lawfulness Proposed Development: Stationing of mobile home for ancillary residential use as annexe
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Three Rivers/26/0942/FUL
Woodfield House Chalfont Lane Chorleywood Rickmansworth Hertfordshire WD3 5PP
Construction of a detached garage building within the front curtilage and alterations to front driveway
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Three Rivers/26/0946/DIS
Land At Woodside Road Woodside Road Abbots Langley Hertfordshire
Discharge of conditions 19 (Badger Mitigation), 20 (Construction Environmental Management plan), 21 (Species Enhancement Plan), 24 (Habitat Monitoring and Management), 27 (Arboricultural Me...
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Three Rivers/26/0947/NMA
Land At Woodside Road Woodside Road Abbots Langley Hertfordshire
Non material amendment to planning permission 25/0896/FUL to allow for alterations to plan numbers and amended wording to conditions 2 (plan numbers), 19 (Badger mitigation strategy), 20 (C...
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Three Rivers/26/0097/TPO
The Court Rickmansworth Road Chorleywood Rickmansworth Hertfordshire WD3 5SG
T4 Douglas fir / T5 Lawson Cypress / T6 Douglas Fir - growing on a spoil heap and so structurally compromised (see photos 1, 2 & 3)Works: RemoveT28 - Horse chestnut / T29 Horse Chestnut ,mo...
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Three Rivers/26/0566/FUL
4 Canterbury Way Croxley Green Rickmansworth Hertfordshire WD3 3SS
Demolition of existing garage and construction of part-single, part-two storey side extension, single storey rear extension; loft conversion including alterations to roof form with rear dor...
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Three Rivers/26/0567/FUL
11 Hillcroft Crescent Oxhey Hall Watford Hertfordshire WD19 4PB
Demolition of existing conservatory and construction of part-single, part-two storey side and rear extension, single storey front porch extension, loft conversion including rear dormer
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Three Rivers/26/0871/FUL
78 And 80 Greenfield Avenue Carpenders Park Watford Hertfordshire WD19 5DH
Joint application: Erection of single storey rear extensions (No 78 and 80) and loft conversion with hip to gable roof extension with rear dormer and front rooflights (No 78)
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Three Rivers/26/0881/FUL
Cloisters Hall The Cloisters Rickmansworth Hertfordshire WD3 1HL
Change of use from a former church hall/community building to a children nursery (Use Class E(f)); internal alterations; construction of associated bike and buggy store; alterations to park...
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Three Rivers/26/0889/FUL
Clovelly Bell Lane Bedmond Abbots Langley Hertfordshire WD5 0QS
Demolition of existing conservatory and construction of single storey rear extension with pergola, rear patio, and sedum roof, solar panels and rooflights; alterations to side fenestration;...
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Three Rivers/26/0929/DDD
11 Dove Park Chorleywood Rickmansworth Hertfordshire WD3 5NY
The Prunus Serrula tree T10 that was planted in 2012 has died. I will to fell and replace the tree with the same variety and size that we planted in 2012
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Three Rivers/26/0935/FUL
53 St Marys Avenue Northwood HA6 3AY
Construction of single storey rear extension with roof lantern, installation of window to side elevation
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Three Rivers/26/0940/TCA
122 Oaklands Avenue Oxhey Hall Watford Hertfordshire WD19 4LQ
Tree Number - T1Tree Type - Deodar cedService - Crown ReductionWork Required - Reduce height and lateral spread over clients garden to the north, north east and east, by removing up to 3m,...
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Three Rivers/24/1689/FUL
10 Kindersley Way Abbots Langley Hertfordshire WD5 0DQ
Demolition of existing garages; subdivision of the site, construction of a new attached two storey dwelling, including provision of hardstanding with parking to front and vehicular crossove...
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Three Rivers/26/0411/DIS
CO-OP 5 - 6 Moneyhill Parade Uxbridge Road Rickmansworth Hertfordshire WD3 7BQ
Discharge of Condition 4(shield and acoustic housing) pursuant to planning permission 25/1488/FUL
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Three Rivers/26/0480/FUL
Hillside 34 Quickley Lane Chorleywood Rickmansworth Hertfordshire WD3 5AF
Replacement of wooden side fence and double gates facing Hillside Road, replacement of picket fence facing Quickley Lane, and erection of a greenhouse with storage
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Three Rivers/26/0507/FUL
101 Byewaters Croxley Green Watford Hertfordshire WD18 8WH
Conversion of garage into habitable accommodation and extension to drive
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Three Rivers/26/0543/FUL
113 Tudor Way Mill End Rickmansworth Hertfordshire WD3 8HT
Construction of part-single, part-two storey rear extension, first floor side extension, windows to side elevation
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Three Rivers/26/0781/NAC
Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP
Neighbouring Authority Consultation: Watford Borough Council - Details submitted for Condition 23 (partial discharge phase 1 Surface Water Drainage) pursuant to planning permission 23/01023...
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Three Rivers/26/0858/TCA
The Frog Pit Sarratt Lane Loudwater Rickmansworth Hertfordshire WD3 4AS
Ash tree. One to be felled (tree on left), one to be pollarded (tree pon right)
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Three Rivers/26/0882/FUL
First Chorleywood Scout Headquarters Orchard Drive Chorleywood Hertfordshire
Alterations to external fenestration detail ; including replacement and alteration of doors and windows, infilling of existing openings, and replacement of roof covering.
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Three Rivers/26/0904/FUL
36 Shepherds Way Rickmansworth Hertfordshire WD3 7NL
Demolition of existing single storey side extension, construction of part-single, part-two storey side extension, single storey rear extension and side ramp, conversion of garage into habit...
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Three Rivers/26/0921/DDD
Frith Cottage Sandy Lane Northwood HA6 3ES
5-DAY NOTICE TO FELL TREESpecies: Oak (Quercus spp.)Tree Reference: T92TPO Reference: TPO564Fell to ground level - The tree is dead and presents a risk to persons and/or property. The tree...
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Three Rivers/26/0932/TCA
The Warren Trout Rise Loudwater Rickmansworth Hertfordshire WD3 4JY
Reduce height of multi leader conifer in front garden down to suitable growth points immediately above where it was last reduced, approximately 3m vertical reduction, to prevent further fai...
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Three Rivers/26/0672/PDE
156 Toms Lane Kings Langley Hertfordshire WD4 8NZ
Prior Approval: Single storey rear extension (depth 8.00 metres, maximum height 4.00 metres, maximum eaves height 2.80 metres)
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Three Rivers/26/0796/FUL
Afton Cottage 39 Berks Hill Chorleywood Rickmansworth Hertfordshire WD3 5AJ
Erection of paving on the front garden
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Three Rivers/26/0838/FUL
8 Norwich Way Croxley Green Rickmansworth Hertfordshire WD3 3SP
Demolition of existing garage and construction of single storey side extension; alterations to rear fenestration
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Three Rivers/26/0895/RSP
3 Whitfield Way Mill End Rickmansworth Hertfordshire WD3 8QT
Retrospective: Construction of single storey rear extension
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Three Rivers/26/0908/DDD
First Floor Flat Headmasters House Merchant Taylors School Sandy Lodge Lane Moor Park Northwood Hertfordshire HA6 2HT
Remove and replace IHC no. 0503
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Three Rivers/26/0923/CLPD
115 Frankland Road Croxley Green Rickmansworth Hertfordshire WD3 3AS
Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension, with rear juliet dormer and front rooflights
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Three Rivers/26/0259/FUL
27 The Cloisters Rickmansworth Hertfordshire WD3 1HL
Conversion of garage into habitable accommodation
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Three Rivers/26/0487/FUL
Ardwun Bell Lane Bedmond Abbots Langley Hertfordshire WD5 0QS
Construction of single storey front and rear extensions; loft extension; replacement of doors and windows; alterations to external materials
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Three Rivers/26/0517/DIS
Cottage Farm Redhall Lane Chandlers Cross Rickmansworth Hertfordshire WD3 4LT
Discharge of Condition 3 (Habitat Management & Monitoring Plan) and Condition 8 (Landscaping and Boundary Treatments) pursuant to planning permission 24/1950/FUL
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Three Rivers/26/0542/FUL
Primrose House Homefield Road Chorleywood Rickmansworth WD3 5QJ
Conversion of garage into habitable accommodation with alterations to front/side fenestration and erection of binstore.
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Three Rivers/26/0548/FUL
122 Hazelwood Lane Abbots Langley Hertfordshire WD5 0HE
Loft conversion including rear dormer and front rooflights
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Three Rivers/26/0587/FUL
120 South Way Abbots Langley Hertfordshire WD5 0GZ
Construction of single storey rear extension and detached outbuilding
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Three Rivers/26/0595/DIS
Beesons Yard Bury Lane Rickmansworth Hertfordshire
Discharge of Condition 33(Drainage Verification Report) pursuant to planning permission 22/1148/FUL
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Three Rivers/26/0684/DIS
Windover 35 Astons Road Moor Park Northwood Hertfordshire HA6 2LB
Discharge of Condition 3(Tree Protection Plan) pursuant to planning permission 24/0294/FUL
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Three Rivers/26/0774/NMA
Wolsey Business Park Tolpits Lane Watford Hertfordshire WD18 9BL
Non-material amendment pursuant to planning permission 24/1137/FUL to allow elevational treatment for the combined substation and UKPN substation
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Three Rivers/26/0816/FUL
25 Beacon Way Rickmansworth Hertfordshire WD3 7PF
Loft conversion including increase in ridge height with rear dormer and front/side rooflights
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Three Rivers/26/0836/FUL
145 Oaklands Avenue Oxhey Hall Watford Hertfordshire WD19 4LH
Change of use of a Use Class C3 (Dwellinghouse) to Use Class C2 (Children's Residential Care Home); replacement of windows
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Three Rivers/26/0914/DIS
Maple Cross House, Denham Way And Kier Offices Off Maple Lodge Close, Maple Cross Rickmansworth Hertfordshire WD3 9SW
Discharge of condition 3 (Construction Management Plan) pursuant to planning permission 24/1963/FUL
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Three Rivers/26/0917/DIS
Land At Woodside Road Woodside Road Abbots Langley Hertfordshire
Discharge of Conditions 3(Construction Management Plan and Construction Noise Assessment), 4(Dust Management Plan), 5(Site Waste Management Plan) pursuant to planning permission 25/0896/FUL
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Three Rivers/26/0918/DIS
Land At Woodside Road Woodside Road Abbots Langley Hertfordshire
Discharge of Conditions 6 (Interim Drainage), 7 (Surface Water Drainage), 11 (Ground Water Monitoring), 12 (Intrusive Groundwater) and 15 (Remediation Strategy) pursuant to planning permiss...
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Three Rivers/26/0919/DIS
Land At Woodside Road Woodside Road Abbots Langley Hertfordshire
Discharge of Conditions 32 (Open Space and War Memorial), 33 (External Lighting) and 47 (Conservation management plan) pursuant to planning permission 25/0896/FUL
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Three Rivers/26/0920/PDE
87 Durrants Drive Croxley Green Rickmansworth Hertfordshire WD3 3NY
Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.00 metres, maximum eaves height 3.00 metres)
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Three Rivers/26/0945/DIS
Crossley Wylde Loudwater Lane Loudwater Rickmansworth Hertfordshire WD3 3JD
Discharge of Condition 3(Window and Door details) pursuant to planning permission 25/1582/LBC
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Three Rivers/25/0590/FUL
Land To The North Of Toms Lane Toms Lane Kings Langley Hertfordshire
Change of use of land to create 4 gypsy and traveller pitches including 2 amenity buildings and associated hardstanding and access
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Three Rivers/26/0455/FUL
42A Denham Way Maple Cross Rickmansworth Hertfordshire WD3 9SP
Demolition of existing outbuildings and construction of an outbuilding and bike store