Planning authority · 2025
Three Rivers planning applications 2025
1,854 public planning records from 2025 in the production OGL dataset, newest first, linked to council source pages.
Applications
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Three Rivers/24/1861/DIS
Former Little Furze Junior Mixed Infants School Gosforth Lane South Oxhey Hertfordshire
Discharge of Condition 6 (Construction Management Plan) pursuant to planning permission 21/1271/OUT.
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Three Rivers/24/1886/FUL
32 Oulton Way Carpenders Park Watford Hertfordshire WD19 5EL
Construction of a first floor side extension.
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Three Rivers/24/1967/NMA
97 Valley Road Rickmansworth Hertfordshire WD3 4BL
Non-material Amendment to planning permission 23/1354/FUL to allow alterations to roof materials from sedum roofs to single ply and alterations to landscaping.
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Three Rivers/24/1747/FUL
Unit 7 Moor Park Industrial Estate Tolpits Lane Watford Hertfordshire WD18 9SP
Change of use of front area of existing warehouse to cafe with parking to frontage.
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Three Rivers/24/1760/RSP
April House 170 Toms Lane Kings Langley Hertfordshire WD4 8NZ
Retrospective: Conversion of existing garage outbuilding to gym including replacement of flat roof to pitched roof.
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Three Rivers/24/1770/AOD
115 Windmill Drive Croxley Green Rickmansworth Hertfordshire WD3 3FB
Approval of Details: Construction of end of terrace dwelling (Reserved matters application containing details of landscaping and layout pursuant to Outline Planning Permission 23/0771/OUT).
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Three Rivers/24/1827/FUL
210 Baldwins Lane Croxley Green Rickmansworth Hertfordshire WD3 3LQ
Construction of a single storey rear extension, first floor side extension with gabled extension to roof and front porch extension; conversion of existing garage to habitable accommodation;...
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Three Rivers/24/1839/FUL
Dew Pond House Common Road Chorleywood Rickmansworth Hertfordshire WD3 5LT
Construction of a single storey rear extension.
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Three Rivers/24/1869/CLPD
44 Gosforth Lane South Oxhey Watford Hertfordshire WD19 7AU
Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof alterations, rear dormer and two roof lights to the front
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Three Rivers/24/1892/PDE
18 Alva Way Carpenders Park Watford Hertfordshire WD19 5ED
Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.00 metres, maximum eaves height 2.85 metres)
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Three Rivers/24/1999/PDE
7 Anvil Avenue Garston Watford Hertfordshire WD25 9BT
Prior Approval: Single storey rear extension (depth 4.50 metres, maximum height 3.12 metres, maximum eaves height 3.00 metres)
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Three Rivers/24/1794/FUL
29 Sandy Lodge Road Moor Park Rickmansworth Hertfordshire WD3 1LP
Demolition of existing outbuilding and construction of a new rear outbuilding; construction of a part single, part two storey rear extension; internal alterations and alterations to fenestr...
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Three Rivers/24/1813/FUL
84 Greenfield Avenue Carpenders Park Watford Hertfordshire WD19 5DQ
Alterations to roof including increase in ridge height, rear gable extension to extend loft accommodation, insertion of front and side dormer windows, side rooflights, single-storey front e...
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Three Rivers/24/1818/FUL
46 Longcroft Road Maple Cross Rickmansworth Hertfordshire WD3 9TR
Garage conversion to habitable accommodation with alterations to fenestration
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Three Rivers/24/1834/FUL
Chilterns Batchworth Lane Northwood HA6 3HE
Loft conversion including raising of ridge height, rear dormers and front and rear rooflights
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Three Rivers/24/1874/RSP
Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP
Part Retrospective: Erection of an open sided equipment store (Building 59); Retention of existing storage building (Building 49); hard landscaping works; and associated ancillary works.
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Three Rivers/24/2011/TCA
Arklow Court Station Approach Chorleywood Hertfordshire
T1 - Group of 9 Ash saplings by road, starting to show signs of Ash Die Back, also not flagged on report, but there are 5 adjacent that are a very similar size, and in similar health - easi...
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Three Rivers/24/2072/NAC
Former Waterdell Nurseries Chequers Lane Garson Herts
Neighbouring Authority Consultation: St Albans City and District Council - 5/24/2056; Permission in Principle - construction of up to six affordable residential units with access, footpath...
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Three Rivers/24/2078/NMA
Building 7 Hatters Lane Watford Hertfordshire WD18 8YN
Non-material amendment to planning permission 24/0860/FUL: Repositioning of the consented rooftop flues southwards and an increase in height of 280mm; repositioning of consented air handlin...
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Three Rivers/25/0026/DDD
Jacasupi Lower Plantation Loudwater Rickmansworth Hertfordshire WD3 4PQ
T2 - Oak - Section dismantle tree (with use of MEWP) to near ground level and leave the stump in the ground, Treat stump with one application of glyphosate (eco-plugs) only to best endeavou...
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Three Rivers/25/0027/DDD
Whisperwood House Whisper Wood Loudwater Rickmansworth Hertfordshire WD3 4JU
T1 - Beech - Fell - dead, limbs/branches dropping into the road
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Three Rivers/24/1632/FUL
The Garden Harthall Lane Kings Langley Hemel Hempstead Hertfordshire HP3 8SE
Demolition of existing side extension and construction of a two storey side extension; alterations to fenestration, including rear juliet balcony; addition of hardstanding.
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Three Rivers/24/1960/DIS
89 Hampermill Lane Oxhey Hall Watford Hertfordshire WD19 4NT
Discharge of Conditions 1 (Time Limit), 2 (Plans) and 3 (Materials) pursuant to planning permission 23/1870/RSP.
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Three Rivers/25/0013/NAC
Land Between Tilehouse Lane And A412 To The South Of Maple Cross Buckinghamshire
Neighbouring Authority Consultation: Buckinghamshire Council - reference PL/24/3905/HS2Request for the approval of non-material changes to the approved Plans and Specifications relating to...
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Three Rivers/25/0039/DDD
Woodland Area Adjacent To Slipwood Farm Shepherds Lane Chorleywood Rickmansworth Hertfordshire WD3 5HA
Cherry - T1 - removeCherry - T2 - removeCherry - T3 - removeCherry - T4 - remove
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Three Rivers/24/1684/FUL
Paddock Cottage Old House Lane Kings Langley Hertfordshire WD4 9AA
Construction of a single storey outbuilding.
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Three Rivers/24/1845/CLPD
Mayview Bedmond Road Pimlico Hemel Hempstead Hertfordshire HP3 8SJ
Certificate of Lawfulness Proposed Development: Construction of a rear outbuilding.
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Three Rivers/24/1918/PDE
The Laurels White Shack Lane Chandlers Cross Rickmansworth Hertfordshire WD3 4ND
Prior Approval: Single storey rear extension (depth 5.40 metres, maximum height 2.59 metres, maximum eaves height 2.59 metres)
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Three Rivers/24/2068/NAC
Newland Park, Gorelands Lane, Chalfont St Giles, Buckinghamshire, HP8 4AB
Neighbouring Authority Consultation: Buckinghamshire Council - PL/24/3490/HB: Listed building consent for redevelopment to provide 404 new dwellings, conversion of existing Manor House, Sta...
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Three Rivers/24/1787/FUL
Highacre Loudwater Heights Loudwater Rickmansworth Hertfordshire WD3 4AX
Variation of Condition 2 (Plans) pursuant to planning permission 23/1627/FUL to allow for alterations to eaves height, increase in depth of single storey rear extension and increase in heig...
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Three Rivers/24/1902/PDE
177 St Georges Drive Carpenders Park Watford Hertfordshire WD19 5HE
Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.25 metres, maximum eaves height 2.90 metres)
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Three Rivers/24/1790/RSP
9 Ashridge Drive South Oxhey Watford Hertfordshire WD19 6TQ
Part Retrospective: Construction of single storey front extension, single storey rear extension, first floor rear extensions including Juliet balcony and new roof, construction of rear dorm...
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Three Rivers/24/1797/FUL
Southwold Woodland Lane Chorleywood Rickmansworth Hertfordshire WD3 5LS
Extension to existing side dormer windows.
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Three Rivers/24/1801/CLPD
Penmans Penmans Green Sarratt Kings Langley Hertfordshire WD4 9AZ
Certificate of Lawfulness Proposed Development: Stationing of caravan/mobile home for ancillary residential use.
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Three Rivers/24/1814/CLPD
Westwood Bell Lane Bedmond Abbots Langley Hertfordshire WD5 0QS
Certificate of Lawfulness Proposed Development: Extension to front porch; conversion of existing loft including rear dormer and side and rear rooflights.
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Three Rivers/24/1824/FUL
161 Hampermill Lane Oxhey Hall Watford Hertfordshire WD19 4TF
Construction of a single storey front, side and rear extension; internal alterations.
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Three Rivers/24/1907/TCA
Oakley Chenies Road Chorleywood Rickmansworth Hertfordshire WD3 5LU
Line of Western Red Cedar (G1) Reduce height by 25-30% (5-6 metres)Crown raise line of Weston Red Cedar (G2) on rear boundary, to give approximately 5 metres of clearance from ground level...
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Three Rivers/24/1935/TCA
Dormers The Green Croxley Green Rickmansworth Hertfordshire WD3 3HX
Tree number 1: Lawson Cypress (Chamaecyparis lawsniana).Approx height 16 m; approx spread diameter 8 m.Location, rear garden left-hand boundary.Work required - reduce height to about 1-1.5...
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Three Rivers/24/1971/TPO
1 The Grove Little Green Lane Croxley Green Rickmansworth Hertfordshire WD3 3JN
G1 x 2 Sycamore - crown reduce by 20% (1.5-2m) to contain spread to reduce shading out of the mixed hedge below T1 English Elm - remove dieback (1m) from the top of the tree cutting into li...
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Three Rivers/24/1994/TCA
High End Troutstream Way Loudwater Rickmansworth Hertfordshire WD3 4LQ
Single silver birch located in High end Troustream way which has large branches over hanging into five trees. Branches could cause damage to roofing at Five trees. Branches are extremely lo...
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Three Rivers/24/1996/TPO
Holmwood 37 South Road Chorleywood Rickmansworth Hertfordshire WD3 5AS
Various tree works
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Three Rivers/24/2033/TCA
18 Sandy Lodge Road Moor Park Rickmansworth Hertfordshire WD3 1LJ
Tree Number - T1 & T2Tree Type - Plum (prunus spp) Approx. Diameter at 1.5m - 0.1-0.3 Approx. Height - 6mApprox. Crown Spread Diameter - 4-5mLocation - Front garden Front boundary right han...
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Three Rivers/25/0011/DDD
Greyfriars 16 South Road Chorleywood Rickmansworth Hertfordshire WD3 5AR
Ash - Fell
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Three Rivers/24/1803/DIS
4 Hillpoint Rickmansworth Hertfordshire WD3 4HW
Discharge of Condition 3 (Tree Protection) and condition 5 (Hardstanding) pursuant to planning permission 23/0305/FUL.
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Three Rivers/24/1809/FUL
4 The Orchard On The Green Croxley Green Rickmansworth Hertfordshire WD3 3HS
Demolition of existing conservatory and construction of single storey rear extension.
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Three Rivers/24/1895/DIS
33 Wolsey Road Moor Park Northwood Hertfordshire HA6 2ER
Discharge of Condition 4 (Brick Sample) pursuant to planning permission 24/0708/FUL.
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Three Rivers/24/2001/NMA
The Grove Grove Mill Lane Grove Mill Rickmansworth Hertfordshire WD3 4TG
Non-material Amendment to planning permission 24/0861/FUL to allow for an amended BNG statement to include the proposed sedum roof.
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Three Rivers/24/1762/FUL
60 Batchworth Lane Northwood HA6 3HG
Conversion of existing garage to habitable accommodation
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Three Rivers/24/1805/FUL
46 Dowding Way Leavesden Watford Hertfordshire WD25 7GA
Construction of a single storey side and front extension.
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Three Rivers/24/1806/CLPD
19 Upper Hill Rise Rickmansworth Hertfordshire WD3 7NU
Certificate of Lawfulness Proposed Development: Construction of outbuilding to rear
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Three Rivers/24/1840/CLPD
Southwold Woodland Lane Chorleywood Rickmansworth Hertfordshire WD3 5LS
Certificate of Lawfulness Proposed Development: Construction of a single storey side extension.
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Three Rivers/24/1841/CLPD
Southwold Woodland Lane Chorleywood Rickmansworth Hertfordshire WD3 5LS
Certificate of Lawfulness Proposed Development: Construction of a single storey side extension.
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Three Rivers/24/1639/DIS
Land At South Oxhey Initiative - Phase 3 South Oxhey Hertfordshire
Discharge of Condition 33 (Requirements following completion of drainage works) pursuant to planning permission 19/2133/FUL (Phase 3)
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Three Rivers/24/1951/NMA
Rickmansworth Service Station Victoria Close Rickmansworth Hertfordshire
Non-material Amendment to planning permission 23/0145/FUL to allow for alterations to access, by reducing the vehicular crossovers from four to two.