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/25/1379/TPO
Brooklands House Sandy Lane Northwood HA6 3HB
Various Works To Trees
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Three Rivers/25/1388/CLPD
37 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AD
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/25/1399/TPO
2A Fernhills Abbots Langley Hertfordshire WD4 8PT
T1 - LEYLANDII - Remove and replace with suitable species due to outgrown location/suspected Seridium Canker and suspected root ingression to drainNB. Supressing neighbouring Cherry which m...
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Three Rivers/25/1411/LBC
Merchant Taylors School Sandy Lodge Lane Moor Park Northwood Hertfordshire HA6 2HT
Listed Building Consent: Repair two cantilevered concrete canopies at each end of the Great Hall at ground level. Repair of reconstituted stone (reinforced) window cills.
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Three Rivers/25/1440/FUL
60 Chiltern Drive Mill End Rickmansworth Hertfordshire WD3 8JY
Variation of condition 2 (plans) pursuant to planning permission 23/1804/FUL to allow single storey rear extension to be increased in depth
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Three Rivers/25/1446/FUL
Green Hill Sandy Lane Northwood HA6 3ER
Variation of condition 2 (plans) pursuant to planning permission 25/0959/FUL to allow internal alterations, alterations to fenestration and addition of rear dormer.
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Three Rivers/25/1504/CLPD
Tarn Dunny Lane Belsize Kings Langley Hertfordshire WD4 9DQ
Certificate of Lawfulness Proposed Development: Enlargement of the dwellinghouse by the construction of one additional storey and single storey rear extension
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Three Rivers/25/1524/TPO
9 The Roughs Northwood HA6 3DE
T1 - Oak x 1 - reduce by 2m on height and 2m on overall spread, this will leave the tree at around 21 m in height with an approximate crown spread of 5-6 m. T2 - Oak x 1 - reduce by 2m on h...
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Three Rivers/25/1527/TCA
1 Harewood Rickmansworth Hertfordshire WD3 4EZ
Deodar Cedar x 1 - reduce crown by 3-4m on height and spread - crown clean to include removing dead wood > 300mm in length and 20mm in diameter and any obviously compromised branchesReasons...
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Three Rivers/25/1541/TPO
Tilebarn 24 Bullsland Lane Chorleywood Rickmansworth Hertfordshire WD3 5BQ
Tree Number - T1Tree Type - Oak (Quercus robur) Approx. Diameter at 1.5m - 0.6mApprox. Height - 18mApprox. Crown Spread Diameter - 6mLocation - See map Service - Section dismantleWork Requi...
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Three Rivers/25/1548/TCA
103 Oaklands Avenue Oxhey Hall Watford Hertfordshire WD19 4TN
Tree Number - T1Tree Type - Weeping willow (Salix babylonica) Approx. Diameter at 1.5m - 0.2-0.4m Approx. Height - 9mApprox. Crown Spread Diameter - 7mLocation - Rear garden rear section le...
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Three Rivers/25/1552/TCA
41 Raglan Gardens Oxhey Hall Watford Hertfordshire WD19 4LJ
Tree - rear garden - fell
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Three Rivers/25/1566/PDE
73 On The Hill Carpenders Park Watford Hertfordshire WD19 5DS
Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.55 metres, maximum eaves height 2.55 metres)
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Three Rivers/25/1574/TCA
36 Russell Road Moor Park Northwood Hertfordshire HA6 2LR
Sycamore T1 on the boundary of 36 Russell Road and 27 Aston RoadTo fell the above tree which is dead due to water flooding from 29 Aston Road
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Three Rivers/25/1579/DIS
Maple Cross House Denham Way Maple Cross Rickmansworth Hertfordshire WD3 9SW
Discharge of Condition 10 (Site Waste Management Plan) pursuant to planning permission 24/1963/FUL
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Three Rivers/25/1594/TCA
2 South Approach Moor Park Northwood Hertfordshire HA6 2ET
I would like to pruning of the trees on my property plus crown reduction and cutting out any deadwood and basically doing whatever is necessary to maintain the trees in good health. It has...
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Three Rivers/25/1623/PDE
73 Springfield Close Croxley Green Rickmansworth Hertfordshire WD3 3HG
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/25/1279/FUL
46 Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AQ
Demolition of existing dwelling and construction of replacement two storey self-build dwelling with associated parking and landscaping works; external materials including render
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Three Rivers/25/1430/FUL
43 Harefield Road Rickmansworth Hertfordshire WD3 1LZ
Demolition of existing garage and shed; construction of single storey side/rear extension, rear patio extension and erection of side gate, internal alterations and alterations to fenestrati...
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Three Rivers/25/1454/DIS
132 Toms Lane Kings Langley Hertfordshire WD4 8NR
Discharge of Conditions 3 (Materials), 6 (Boundary Treatment) and 10 (Ecological Enhancements) pursuant to planning permission 24/0530/FUL
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Three Rivers/25/0595/FUL
91 Muirfield Road South Oxhey Watford Hertfordshire WD19 6LU
Demolition of existing rear garage, subdivision of site and erection of self-build end-of-terrace two-bedroom dwelling with amenity garden
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Three Rivers/25/0915/FUL
First And Second Floors 97 High Street Rickmansworth Hertfordshire WD3 1RB
Part Retrospective: Variation of Conditions 2 (plan numbers) and 3 (Materials) pursuant to planning permission 24/0052/FUL (Extension of existing third floor to create additional office spa...
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Three Rivers/25/1281/PDE
79 Compton Place Carpenders Park Watford Hertfordshire WD19 5HF
Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 2.82 metres, maximum eaves height 2.82 metres)
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Three Rivers/25/1351/FUL
2 Lawford Close Chorleywood Rickmansworth Hertfordshire WD3 5JX
Construction of part-single storey, part-two storey side and rear extensions, including first floor front and rear dormers; replacement of entrance door; rear patio extension including alte...
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Three Rivers/25/1377/FUL
100 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3BX
Demolition of existing garage and side lean to extension, rebuild of existing side wall of dwelling, erection of first floor to create a two storey detached dwelling, replacement of side ga...
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Three Rivers/25/1605/NMA
The Hayloft The Bullsland Estate Bullsland Lane Chorleywood Hertfordshire
Non-material amendment pursuant to planning permission 24/0022/FUL to allow alterations to south elevation and external materials
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Three Rivers/25/1407/DIS
No.3 To No.6 Wolsey Business Park Tolpits Lane Hertfordshire WD18 9BL
Discharge of Condition 4(Site Waste Management Plan) pursuant to planning permission 24/1137/FUL
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Three Rivers/25/1443/DIS
The Hayloft The Bullsland Estate Bullsland Lane Chorleywood Hertfordshire
Discharge of Condition 3 (Materials) pursuant to planning permission 24/0022/FUL
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Three Rivers/25/1280/CLPD
79 Compton Place Carpenders Park Watford Hertfordshire WD19 5HF
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/25/1312/RSP
5 Quickwood Close Rickmansworth Hertfordshire WD3 8LU
Part Retrospective: Construction of first floor rear extension and front porch, loft conversion and hip to gable extension including rear dormer and front rooflights; replacement of rear do...
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Three Rivers/25/1325/RSP
3 Quickwood Close Rickmansworth Hertfordshire WD3 8LU
Part Retrospective: Loft conversion and hip to gable extension including rear Juliet dormer and front rooflights, demolition and erection of front porch, alterations to ground floor fenestr...
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Three Rivers/25/1391/DIS
Hertford Place Denham Way Maple Cross Hertfordshire
Discharge of condition 6 (Site Waste Management), condition 7 (Construction Management Plan), condition 8 (Surface Water Drainage) and condition 9 (Drainage Scheme) pursuant to planning per...
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Three Rivers/25/1397/DIS
Beesons Yard Bury Lane Rickmansworth Hertfordshire
Discharge of Condition 24 (Obscure Privacy Screens) pursuant to planning permission 22/1148/FUL
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Three Rivers/25/1511/HCR3
Maple Lodge Sewage Treatment Works Denham Way Maple Cross Hertfordshire WD3 9SF
Herts County Council Regulation 3 application: Retention of temporary office building
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Three Rivers/25/1564/PDE
3 Dorchester Court Mayfare Croxley Green Rickmansworth Hertfordshire WD3 3DQ
Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.53 metres, maximum eaves height 2.75 metres)
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Three Rivers/25/1570/PDE
13 Aldbury Road Mill End Rickmansworth Hertfordshire WD3 8LH
Prior Approval: Single storey rear extension (depth 4.00 metres, maximum height 2.90 metres, maximum eaves height 2.90 metres)
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Three Rivers/25/1575/ADV
Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP
Erection of 5 x internally illuminated wayfinder signs at the south entrance, north entrance and Leavesden Park entrance.
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Three Rivers/25/1757/NAC
Warner Bros. Studios Leavesden Warner Drive
Neighbouring Authority Consultation: Advertisement Consent to display x 2 externally illuminated wayfinder signs at the south car park entrance - Watford Borough Council ref. 25/00842/ADV
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Three Rivers/25/0890/RSP
29 Russell Road Moor Park Northwood Hertfordshire HA6 2LP
Part Retrospective: Partial demolition of existing dwelling and construction of part single, part two-storey rear extension and garage conversion; replacement of the roof; raised rear patio...
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Three Rivers/25/0913/FUL
121 Valley Road Rickmansworth Hertfordshire WD3 4BN
Erection of detached garage and alterations to the driveway
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Three Rivers/25/1255/FUL
The Garden Harthall Lane Kings Langley Hemel Hempstead Hertfordshire HP3 8SE
Demolition of existing single storey side extension and construction of a two storey side extension; alterations to fenestration, including relocation of entrance door and rear juliet balco...
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Three Rivers/25/1305/CLPD
12 Manor Way Croxley Green Rickmansworth Hertfordshire WD3 3LY
Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension with rear juliet dormer; construction of an outbuilding
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Three Rivers/25/1387/FUL
146 Harrow Way Carpenders Park Watford Hertfordshire WD19 5ER
Loft conversion including increase in ridge height and hip to gable roof extension, rear dormer and front rooflights, windows to side elevations
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Three Rivers/25/1396/DIS
Land To South Of Foxgrove Path/Heysham Drive South Oxhey Watford WD19 6YL
Discharge of Condition 14 (Lighting) pursuant to planning permission 25/0986/FUL
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Three Rivers/25/1404/DIS
Land To South Of Foxgrove Path/Heysham Drive South Oxhey WD19 6YL
Discharge of Condition 4 (Affordable Housing) pursuant to planning permission 23/0701/OUT
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Three Rivers/25/1410/FUL
33 Valley Walk Croxley Green Rickmansworth Hertfordshire WD3 3TQ
Demolition of existing garage and conservatory and construction of single storey front, side and rear extensions.
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Three Rivers/25/1534/CLPD
Unit 27 Orbital 25 Business Park Dwight Road Watford Hertfordshire WD18 9DA
Certificate of Lawfulness Proposed Development: Change of use from B1 and B2 licence to Class E (g)(ii)
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Three Rivers/25/1713/DDD
The Court Rickmansworth Road Chorleywood Rickmansworth Hertfordshire WD3 5SG
T46 (Beech) fell to ground level due to extensive decay, and T47 (Beech) fell to ground level due extensive decay
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Three Rivers/25/1738/NAC
Land To The North Of A4007 (Between Junctions 15 And 16 Of The M25) Slough Road Iver Heath Buckinghamshire
Neighbouring Authority Consultation: Buckinghamshire Council - Outline application for a Motorway Service Area between M25 junctions 15 and 16 near Iver Heath with all matters reserved, com...
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Three Rivers/25/1239/FUL
The Old House 3 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3DL
Demolition of 2no. existing outbuildings, construction of single storey rear extension with associated internal alterations, alterations to fenestrations and rear alterations
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Three Rivers/25/1366/FUL
Oaklea 29 Meadowbank Watford Hertfordshire WD19 4NP
Replacement of existing timber windows with double glazed uPVC windows
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Three Rivers/25/1376/FUL
52 Lemonfield Drive Garston Watford Hertfordshire WD25 9TU
Demolition of existing garage and construction of single storey front, side and rear extension and alterations to front driveway
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Three Rivers/25/1395/HS2
HS2 Construction Site West Of A412 Denham Way Chalfont Lane West Hyde Hertfordshire
Submission of plans and specifications for lighting equipment under Paragraph 3 of Schedule 17 to the High Speed Rail (London-West Midlands) Act 2017. Development comprises installation of...
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Three Rivers/25/1461/DIS
Langley Wharf Railway Terrace Kings Langley Hertfordshire WD4 8JE
Discharge of Condition 4 (Construction Environmental Management Plan) pursuant to planning permission 24/1562/FUL
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Three Rivers/25/1746/DDD
Amberwood Nottingham Road Heronsgate Rickmansworth Hertfordshire WD3 5DL
T1 - Dead Holly - removeT2 - Fallen twin stem dead Holly - removeT3 - Multistem Field Maple - Tops have died leaving stems that have life at the base, up to about 2-3 metres - Remove dead t...
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Three Rivers/25/1127/LBC
St John Fisher Roman Catholic Church Shire Lane Chorleywood Hertfordshire WD3 5NH
Listed Building Consent: Replacement of rooftiles to ground floor baywindow
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Three Rivers/25/1368/DIS
44 Russell Road Moor Park Northwood Hertfordshire HA6 2LR
Discharge of Condition 3 (Materials), Condition 6 (Arboricultural method Statement) and Condition 7 (Construction & Demolition Method Statement) pursuant to planning permission 25/0046/FUL.
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Three Rivers/25/1673/DIS
St Johns Roman Catholic JMI School Berry Lane Mill End Rickmansworth Hertfordshire WD3 7HG
Discharge of Condition 20 (Community use agreement) pursuant to planning permission 23/1835/INF
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Three Rivers/25/1273/FUL
Tree Tops 7 Home Farm Road Rickmansworth Hertfordshire WD3 1JU
Erection of brick boundary wall and piers with metal railings and gate to the front
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Three Rivers/25/1276/RSP
14 Oulton Way Carpenders Park Watford Hertfordshire WD19 5EL
Retrospective: Conversion of garage into habitable accommodation