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/25/0856/FUL
26 The Willows Mill End Rickmansworth Hertfordshire WD3 8YY
Single storey front extension
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Three Rivers/25/0865/DIS
16 Crofters Road Northwood HA6 3ED
Discharge of Condition 4 (Surface Water) pursuant to planning permission 24/1672/FUL
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Three Rivers/25/1004/DIS
World Of Water Aquatic Centres Ltd Hempstead Road Watford Hertfordshire WD4 8QG
Discharge of Condition 11 (Pedestrian Access) pursuant to planning permission 24/1568/FUL
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Three Rivers/25/1009/CLPD
50 Highfield Carpenders Park Watford Hertfordshire WD19 5DZ
Certificate of Lawfulness Proposed Development: Construction of single storey rear extension; loft conversion including rear dormer and front rooflights.
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Three Rivers/25/1015/DIS
World Of Water Aquatic Centres Ltd Hempstead Road Watford Hertfordshire WD4 8QG
Discharge of Condition 2 (Construction Management Plan) pursuant to planning permission 24/1568/FUL
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Three Rivers/25/1046/PDE
50 The Queens Drive Mill End Rickmansworth Hertfordshire WD3 8LT
Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.60 metres, maximum eaves height 2.30 metres)
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Three Rivers/25/1056/DIS
Merchant Taylors School Sandy Lodge Lane Moor Park Northwood Hertfordshire HA6 2HT
Discharge of Condition 5 (Habitat Management and Monitoring Plan) pursuant to planning permission 25/0117/FUL
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Three Rivers/25/1299/BGP
Merchant Taylors School Sandy Lodge Lane Moor Park Northwood Hertfordshire HA6 2HT
Discharge of Biodiversity Gain Plan pursuant to pursuant to planning permission 25/0117/FUL
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Three Rivers/25/0918/FUL
Unit 8 Moor Park Industrial Estate Tolpits Lane Watford Hertfordshire WD18 9SP
Change of use from Class B2/B8 (Storage) to Class E (gym)
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Three Rivers/25/0905/FUL
Chorleywood Memorial Hall Common Road Chorleywood Rickmansworth Hertfordshire WD3 5LN
Replacement of windows
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Three Rivers/25/0917/CLPD
27 Harrow Way Carpenders Park Watford Hertfordshire WD19 5EH
Certificate of Lawfulness Proposed Development: Demolition of existing single storey rear projection and construction of single storey rear extension, alterations to side window
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Three Rivers/25/0950/CLPD
1 Oxhey Lodge Green Lane Oxhey Hall Watford Hertfordshire WD19 4LT
Certificate of Lawfulness Proposed Development: Erection of an outbuilding
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Three Rivers/25/0971/FUL
Rosewood The Clump Rickmansworth Hertfordshire WD3 4BB
Variation of Condition 2 (Plans) pursuant to planning permission 25/0229/FUL to allow for an increase in width of the two storey and loft extensions, alterations to loft layout, alterations...
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Three Rivers/25/0975/DIS
94 - 102 High Street Rickmansworth Hertfordshire WD3 1AQ
Discharge of Condition 6 (Operation Management Plan) pursuant to planning permission 24/0829/FUL
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Three Rivers/25/1003/CLPD
20 Embleton Road South Oxhey Watford Hertfordshire WD19 7PN
Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension with rear dormer
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Three Rivers/25/1105/PDE
75 Springfield Close Croxley Green Rickmansworth Hertfordshire WD3 3HG
Prior Approval: Single storey rear extension (depth 5.00 metres, maximum height 3.00 metres, maximum eaves height 2.90 metres)
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Three Rivers/25/1274/DDD
Tall Trees 53 Grovewood Close Chorleywood Rickmansworth Hertfordshire WD3 5PX
Beech - Fell
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Three Rivers/25/1275/DDD
The Oaks 1 Carew Way Carpenders Park Watford Hertfordshire WD19 5BG
T1 - Sycamore Fell
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Three Rivers/24/1791/TCA
The Abbots House 10 High Street Abbots Langley Hertfordshire
Various tree works
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Three Rivers/24/1823/TCA
Clovelly 24 Haddon Road Chorleywood Rickmansworth Hertfordshire WD3 5AN
Ash (T1) - Crown reduction to bring canopy back to growth points outside of last reduction points, equating to a vertical reduction of up to 3 - 3.5 metres and lateral reduction of 2-3 metr...
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Three Rivers/25/0087/TCA
Fairlight Shire Lane Chorleywood Rickmansworth Hertfordshire WD3 5NR
Tree number - G1Tree type - 2x Beech (Fagus sylvatica) Approx. Diameter at 1.5m - 0.5-0.75m Approx Height - 16mApprox Spread diameter - 14mLocation - Rear garden, Left hand boundary Service...
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Three Rivers/25/0478/TCA
Castano Court Kitters Green Abbots Langley Hertfordshire
G1 - Reduce 2 x Ash by 2-3m in height and spread. The trees overhang many back gardens and garden sheds, re-reduce to reduce the chance of failures. General maintenance. T2 - Remove to 2m t...
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Three Rivers/25/0742/FUL
Regency House 43 High Street Rickmansworth Hertfordshire WD3 1ET
Refurbishment of existing windows to front and side elevation; replacement of existing windows to rear elevation.
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Three Rivers/25/0867/FUL
7 Woodhall Lane South Oxhey Watford Hertfordshire WD19 6HE
Demolition of existing outbuilding, front porch and side extension; construction of part single storey, part two storey side extension and single storey front extension including front porch
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Three Rivers/25/0904/FUL
23 Chestnut Avenue Rickmansworth Hertfordshire WD3 4HA
Demolition of existing conservatory and construction of single storey rear extension and front porch extension
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Three Rivers/25/0932/FUL
River View Loudwater Lane Loudwater Rickmansworth Hertfordshire WD3 4HP
Construction of outbuilding
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Three Rivers/25/0939/FUL
92 Brookdene Avenue Oxhey Hall Watford Hertfordshire WD19 4LF
Construction of single storey rear extension and garage conversion into habitable accommodation including alterations to roof and internal alterations.
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Three Rivers/25/0956/FUL
1 Meadow Way Bedmond Abbots Langley Hertfordshire WD5 0RD
Demolition of existing single storey side extension and construction of single storey front and side extension, replacement of rear door
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Three Rivers/25/0964/RSP
Playtime 23 South Road Chorleywood Rickmansworth Hertfordshire WD3 5AS
Retrospective: Removal of rear chimney stack
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Three Rivers/25/0967/CLPD
38 Durrants Drive Croxley Green Rickmansworth Hertfordshire WD3 3NR
Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension with rear dormer and front rooflights; addition of window to the side elevation
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Three Rivers/25/0977/FUL
44 Sandy Lodge Road Moor Park Rickmansworth Hertfordshire WD3 1LJ
Variation of Condition 2 (Plans) pursuant to planning permission 23/1048/FUL to allow alterations to the roof of single storey rear extension and retention of existing single storey side pr...
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Three Rivers/25/1001/FUL
Highfields 46 Harthall Lane Kings Langley Hertfordshire WD4 8JH
Alterations to rear garden land levels, erection of patio with associated landscaping works including outdoor seating and BBQ area
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Three Rivers/25/1058/PDE
34 Home Way Mill End Rickmansworth Hertfordshire WD3 8QL
Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.70 metres, maximum eaves height 2.80 metres)
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Three Rivers/25/1073/PDE
170 Links Way Croxley Green Rickmansworth Hertfordshire WD3 3RN
Prior Approval: Single storey rear extension (depth 5.00 metres, maximum height 3.99 metres, maximum eaves height 2.70 metres)
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Three Rivers/25/1095/PDE
17 The Hoe Carpenders Park Watford Hertfordshire WD19 5AY
Prior Approval: Single storey rear extension (depth 5.50 metres, maximum height 3.81 metres, maximum eaves height 2.50 metres)
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Three Rivers/25/1109/NMA
Sarratt Church Of England School The Green Sarratt Rickmansworth Hertfordshire WD3 6AS
Non-material amendment to planning permission 24/0990/FUL to allow alterations to external materials from timber cladding to brick
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Three Rivers/25/1131/NMA
Building 7 Hatters Lane Watford Hertfordshire
Non-materials amendment to planning permission 24/1862/FUL to allow relocation of gas storage container and alterations to window film
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Three Rivers/25/0690/FUL
2 Vivian Gardens Oxhey Hall Watford Hertfordshire WD19 4PG
Single storey rear extension and patio; side infill extension, removal of steps and installation of front window; addition of flank window
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Three Rivers/25/0732/RSP
95 Wolsey Road Moor Park Northwood Hertfordshire HA6 2ER
Part-retrospective: Substantial demolition of existing dwelling; reconstruction of dwelling to include part two-storey, part single-storey side and rear additions; construction of new hippe...
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Three Rivers/25/0840/DIS
Willow House Chalfont Lane Chorleywood Rickmansworth Hertfordshire WD3 5PP
Discharge of Condition 8 (Energy Statement) and Condition 11 (Lighting) pursuant to 22/1246/FUL
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Three Rivers/25/0931/FUL
Land East Of Shire Lane Hornhill Chalfont St Peter SL9 0RB
Demolition of existing buildings and construction of two detached office buildings (Class E(c)(ii)) with associated hardstanding and parking, widening of existing vehicular access and insta...
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Three Rivers/25/1103/NMA
World Of Water Aquatic Centres Ltd Hempstead Road Watford Hertfordshire WD4 8QG
Non-material amendment to planning permission 24/1568/FUL to allow alterations to boundary details, access road, parking, landscaping works, substation, alterations to heights and fenestrat...
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Three Rivers/25/1240/DDD
4 Hillpoint Rickmansworth Hertfordshire WD3 4HW
5 Day Exemption Request: On Loudwater Road boundarySycamore(Acer pseudoplatanus)-dead/dangerous-straight fell to ground level-dismantle tree and extract all brash+logs from site for process...
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Three Rivers/25/0772/FUL
18 The Crescent Abbots Langley Hertfordshire WD5 0DS
Construction of part two, part first floor rear extension
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Three Rivers/25/0787/CLPD
17 Windmill Drive Croxley Green Rickmansworth Hertfordshire WD3 3FF
Certificate of Lawfulness Proposed Development: Construction of front porch extension; and conversion of existing garage to habitable accommodation, including increase to height of side roo...
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Three Rivers/25/0816/FUL
26 Durrants Drive Croxley Green Rickmansworth Hertfordshire WD3 3NR
Demolition of existing conservatory and construction of single storey side and rear extensions and installation of a vehicular access off of Durrants Drive to serve new drive to front
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Three Rivers/25/0946/FUL
31 Valley Road Rickmansworth Hertfordshire WD3 4DT
Demolition of existing shed and construction of outbuilding with indoor swimming pool with associated decking and retaining walls
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Three Rivers/25/0957/CLPD
1 Meadow Way Bedmond Abbots Langley Hertfordshire WD5 0RD
Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer and side window
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Three Rivers/25/0958/FUL
25 Middleton Road Mill End Rickmansworth Hertfordshire WD3 8JE
Construction of single storey front, side and rear extensions, alterations to side fenestration
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Three Rivers/25/0959/FUL
Green Hill Sandy Lane Northwood HA6 3ER
Demolition of existing dwelling and summer house; construction of self build two storey detached dwelling with accommodation in the roofspace served by rear dormers, with associated parking...
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Three Rivers/25/0962/RSP
39 Frankland Road Croxley Green Rickmansworth Hertfordshire WD3 3AS
Part Retrospective: Demolition of existing single storey side projection and construction of single storey side extension and first floor side and rear extension with flank rooflights; inte...
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Three Rivers/25/1044/HS2
HS2 Construction Site West Of A412 Denham Way Chalfont Lane West Hyde Hertfordshire
Submission of plans and specifications under Paragraphs 2 (building works) and 3 (other construction works) of Schedule 17 to the High Speed Rail (London-West Midlands) Act 2017. Developmen...
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Three Rivers/25/1047/PDE
78 Sherborne Way Croxley Green Rickmansworth Hertfordshire WD3 3PG
Prior Approval: Single storey rear extension (depth 4.00 metres, maximum height 4.00 metres, maximum eaves height 2.49 metres)
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Three Rivers/25/1205/DDD
13 Bedford Road Moor Park Northwood Hertfordshire HA6 2BA
Oak - dead - Pollard
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Three Rivers/25/0808/DIS
24 Lynwood Heights Rickmansworth Hertfordshire WD3 4ED
Discharge of Condition 3 (Materials) pursuant to planning permission 24/1799/RSP
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Three Rivers/25/1185/DDD
Highams The Green Croxley Green Rickmansworth Hertfordshire WD3 3JA
5 DAY NOTICETree Number - T1 Tree Type - Unknown dead ornamental species Approx. Diameter at 1.5m - 0.1mApprox. Height - 4mApprox. Crown Spread Diameter - 3mLocation - Front garden Service...
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Three Rivers/25/1217/DDD
Lowfield 25 Chalfont Lane Chorleywood Rickmansworth Hertfordshire WD3 5PR
Mature Beech, which has split at the bottom of its trunk due to very long term disease/rot (suspected to be from historic garden fires in close proximity to the tree in its earlier years)....
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Three Rivers/25/0792/FUL
4 Greenhills Close Rickmansworth Hertfordshire WD3 4BW
Demolition of existing dwelling and garage and construction of replacement two storey self-build dwelling with single-storey garage and rear patio and associated works.
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Three Rivers/25/0889/FUL
Hilltop Farm Bungalow Hilltop Farm Hilltop Road Kings Langley Hertfordshire WD4 8NS
Demolition of existing single-storey rear extensions; construction of single storey side and rear extension; erection of front bay windows and front porch infill, loft conversion with rear...
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Three Rivers/25/0898/DIS
35 High Street Abbots Langley Hertfordshire WD5 0AA
Discharge of Condition 3 (Remediation Strategy), Condition 9 (Arboricultural method statement), Condition 17 (External Features) and Condition 20 (Boundary Treatments) pursuant to planning...