Planning applications in Three Rivers
Last application update 11 Aug 2026
See what's happening with planning in Three Rivers: 4902 planning applications tracked so far.
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Status breakdown
Other (318)
- Withdrawn317
- Unresolved1
Latest notices
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St Johns Roman Catholic JMI School Berry Lane Mill End Rickmansworth Hertfordshire WD3 7HG
UndecidedDischarge of Condition 9 (Unexpected Contamination) pursuant to planning permission 23/1835/INF
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50 Claremont Crescent Croxley Green Rickmansworth Hertfordshire WD3 3QR
GrantedPrior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.15 metres, maximum eaves height 3.00metres)
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Land At Woodside Road Woodside Road Abbots Langley Hertfordshire
GrantedDischarge of conditions 19 (Badger Mitigation), 20 (Construction Environmental Management plan), 21 (Species Enhancement Plan), 27 (Arboricultural Method…
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42 Marlin Square Abbots Langley Hertfordshire WD5 0EG
UndecidedConstruction of single storey side and rear extension; removal of chimney stacks; alterations to the fenestation; constuction of patio
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Annexe Hart Hall Hyde Lane Nash Mills Hemel Hempstead Hertfordshire HP3 8SA
GrantedCertificate of Lawfulness Existing Use: Use of annexe as an independent dwelling
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43 Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AB
UndecidedDemolition of existing dwelling; construction of two storey detached dwelling with accommodation in the roof space served by front and rear dormer windows;…
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188 Toms Lane Kings Langley Hertfordshire WD4 8NZ
UndecidedCertificate of Lawfulness Proposed Develpment: Constuction of single-storey outbuilding
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50 Harthall Lane Kings Langley Hertfordshire WD4 8JH
RefusedCertificate of Lawfulness Proposed Development: Stationing of mobile home for ancillary residential use as annexe
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Slipway Cottage 17 Heronsgate Road Chorleywood Rickmansworth Hertfordshire WD3 5BN
UndecidedTPO849 T1 Proposed Works to TPO Protected Red Cedar A crown reduction of a mature Red Cedar (approximately 16 metres in height). A reduction in overall tree…
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The Ash Bucks Hill Kings Langley Hertfordshire WD4 9AT
UndecidedConstruction of first floor rear extension; alterations to front porch, alterations to the fenestration; alterations to the driveway
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Beaufort Court Egg Farm Lane Kings Langley Hertfordshire WD4 8LR
UndecidedNon Material Ammendments to planning permission 24/1751/RSP to allow separate work on the coach house and crop store (Condition 4)
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Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP
GrantedExtensions to temporary school building in association with on-site filming activities.
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10 Hastings Way Croxley Green Rickmansworth Hertfordshire WD3 3SG
UndecidedConstruction of single storey side and rear extension
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53 St Marys Avenue Northwood HA6 3AY
GrantedConstruction of single storey rear extension with roof lantern, installation of window to side elevation
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115 Frankland Road Croxley Green Rickmansworth Hertfordshire WD3 3AS
GrantedCertificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension, with rear juliet dormer and front rooflights
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Clovelly Bell Lane Bedmond Abbots Langley Hertfordshire WD5 0QS
GrantedDemolition of existing conservatory and construction of single storey rear extension with pergola, rear patio, and sedum roof, solar panels and rooflights;…
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96 Ashridge Drive South Oxhey Watford Hertfordshire WD19 6UQ
UndecidedVariation of Conditions 2 (Plans) and 5 (Parking Spaces) pursuant to planning permission 24/1992/FUL to allow alterations to the rear dormer, internal…
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116 Valley Road Rickmansworth Hertfordshire WD3 4BH
UndecidedConstruction of detached double garage
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Hillcroft House 68 Hillcroft Crescent Oxhey Hall Watford Hertfordshire WD19 4NY
GrantedTree location - rear garden T1 - Approx. H17 S8 50DBH Eucalyptus Remove damage/infected competing limb - Now failed Selectively crown reduce height by approx.…
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166 Abbots Road Abbots Langley Hertfordshire WD5 0BL
GrantedT129 Larch requires emergency pruning due to excessive growth. The Larch ahs 3/4 branch that sre dangerously sagging. Lower branches require a heavy reduction…
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32 Tudor Manor Gardens Garston Watford Hertfordshire WD25 9TQ
GrantedVariation of Condition 2 (Plans) pursuant to planning permission 25/1939/FUL to allow a reduction to the first floor extension; associated alterations to the…
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Cartref Ormonde Road Moor Park Northwood Hertfordshire HA6 2EJ
GrantedDischarge of Condition 10 (Building contracts) Pursuant to planning permission 24/1479/FUL
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25 Beacon Way Rickmansworth Hertfordshire WD3 7PF
GrantedLoft conversion including increase in ridge height with rear dormer and front/side rooflights
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Windover 35 Astons Road Moor Park Northwood Hertfordshire HA6 2LB
GrantedDischarge of Condition 3 (Tree Protection Plan) pursuant to planning permission 24/0294/FUL
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Roseleigh Bucks Hill Kings Langley Hertfordshire WD4 9BR
UndecidedCertificate of Lawfulness Proposed Development: Construction of a two storey rear extension with loft accomodation served by rear dormer, single storey side…
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Lidl Great Britain Limited Hempstead Road Watford Hertfordshire
UndecidedDischarge of Condition 14 (Highways Improvements) pursuant to planning permission 24/1568/FUL
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123 Hillcroft Crescent Oxhey Hall Watford Hertfordshire WD19 4PA
UndecidedGround works and associated root pruning/ severance of T3 & T4 (Oak) to facilitate installation of a root barrier 18m in length and 3.5m in depth.
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The Court Rickmansworth Road Chorleywood Rickmansworth Hertfordshire WD3 5SG
UndecidedListed Building Consent: Substantial demolition and reconstruction of existing outbuilding for use as habitable accomodation
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Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP
GrantedNon-material amendment pursuant to planning permission 25/1308/FUL to allow alterations to Building 18 including alterations to fenestration detail, new canopy…
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The Land At Clockhouse Mews Chorleywood Hertfordshire WD3 5GN
GrantedLine of 11 Conifers - Reduce in height from approx 7.2m to 3.6m
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Planning applications by town in Three Rivers
Browse recent applications for individual towns and villages in Three Rivers.
How to comment on a planning application in Three Rivers
Anyone can have their say on a planning application in Three Rivers. Find the application on the Three Rivers planning authority's public-access portal using the reference number above, then submit a comment before the consultation deadline. Comments are usually limited to planning matters such as overlooking, loss of light, traffic, noise and the character of the area.
Three Rivers is the local planning authority responsible for deciding these applications. Town Crier mirrors the public record so you can keep track of what is happening near you, but the council remains the authoritative source and the place to submit formal comments.
Neighbouring councils
Planning applications in the councils nearest here.
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