Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
England · Local authority
Three Rivers District Council
Planning applications.
Explore collected planning applications and decisions for Three Rivers District Council. Search an address, application reference or proposal to find a record.
Collected application statistics
Collected records · All available dates1,400Searchable applications
256Recorded as pending
86%Approval rate · 713 approved or refused records
103Refused applications
610 approved · 103 refused · 54 withdrawn. Received dates in our records: 19 Oct 2022 to 22 Sept 2026. Most recent record check: 28 Sept 2026. Counts reflect the last collected status; some records may be out of date.
Local planning information
Council sources checked 14 Sept 2026Planning information PlanningLocal plan Stephen Giles-Medhurst OBEPre-application advice Pre-application adviceConservation areas Protected trees
Council contacts
- Planning enquiriesenquiries@threerivers.gov.ukCouncil source
- Planning enquiriesenquireplan@threerivers.gov.ukCouncil source
- General council enquiriesplanning.enforcement@threerivers.gov.ukCouncil source
Contact details were found on council pages. Check the source for opening hours and which enquiries the service handles.
Conservation areas and Article 4 directions
Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.
Conservation areas18 mapped area records
Article 4 direction areasNo boundary records available in this collection
Interactive planning map loads with JavaScript. Dataset sources are linked below.
Download Article 4 coverage for all authorities (CSV)
Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.
Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.
More application records
- Decided26/0134/BGP
Discharge of Biodiversity Gain Plan pursuant to planning permission 24/1304/FUL
South Bend Station Road Kings Langley Hertfordshire WD4 8LL
Received 21 Jan 2026 - Decided26/0135/CLPD
Certificate of Lawfulness Proposed Development: Erection of storage shed
Storage Facility South Approach Moor Park Hertfordshire
Received 28 Jan 2026 - Unknown26/0136/TCA
2 birch (T1&T2) remove - these trees are dying probably as a result of last years drought
8 Anson Walk Moor Park Northwood Hertfordshire HA6 2LA
Received 28 Jan 2026 - Decided26/0138/FUL
Demolition of existing shed, construction of part single-storey, part two-storey front and rear extensions, single storey side extension, garage conversion, erection of rooflights and removal of rear dormer, alterations to fenestration and alterations to external materials, alterations to driveway
8 Batchworth Lane Northwood HA6 3AT
Received 29 Jan 2026 - Decided26/0140/FUL
Substantial demolition of the existing dwelling and construction of part-single, part-two storey front, side and rear extensions, first floor front extension; partial demolition and conversion of existing garage into habitable accommodation; loft conversion including rear dormers and front/side rooflights, erection of rear juliet balcony, removal of chimney, internal alterations and alterations to fenestration
36 Bishops Avenue Northwood HA6 3DG
Received 29 Jan 2026 - Decided26/0142/FUL
Construction of single storey front, side and rear extension
111 Muirfield Road South Oxhey Watford Hertfordshire WD19 6JE
Received 29 Jan 2026 - Decided26/0143/FUL
Demolition of existing timber shed and erection of outbuilding to use as an ancillary annexe
111 Muirfield Road South Oxhey Watford Hertfordshire WD19 6JE
Received 29 Jan 2026 - Decided26/0144/DIS
Discharge of Condition 17 (Cover Layer Verification Report) pursuant to planning permission 20/2782/FUL
Murco Garage Site North Approach Moor Park Hertfordshire
Received 29 Jan 2026 - Decided26/0145/FUL
Loft extension including increase in height of flat roofed dormers and alterations to fenestration detail.
28 On The Hill Carpenders Park Watford Hertfordshire WD19 5DR
Received 29 Jan 2026 - Decided26/0146/DIS
Discharge of Condition 19 (SuDs Maintenance Plan) pursuant to planning permission 25/1182/RSP
Land To South Of Foxgrove Path/Heysham Drive South Oxhey Watford WD19 6YL
Received 29 Jan 2026 - Decided26/0147/CLPD
Certificate of Lawfulness Proposed Development: Erection of an outbuilding
42 South Approach Moor Park Northwood Hertfordshire HA6 2ET
Received 30 Jan 2026 - Decided26/0148/CLED
Certificate of Lawfulness Existing Use: Use of shed for (Class B8) Storage use
Highwood Hall Barn Highwoodhall Lane Pimlico Hemel Hempstead Hertfordshire HP3 8PY
Received 30 Jan 2026 - Decided26/0149/FUL
Demolition of existing rear conservatory and construction of a replacement single storey rear orangery and construction of part single, part two storey front and rear extensions, and first floor side extension
1 Sherfield Avenue Rickmansworth Hertfordshire WD3 1NQ
Received 30 Jan 2026 - Unknown26/0150/TPO
T367 Cotoneaster tree. Located in the front garden of 45 Kindersley Way.- cut back from roof- sever Ivy- thin crown and reshape to compensate for root encroachmentThis work will reduce the crown, therefore increase its stability, and possibly its vigour.
45 Kindersley Way Abbots Langley Hertfordshire WD5 0DG
Received 30 Jan 2026 - Pending Consideration26/0151/FUL
Removal of condition 13 (M25 Junction 21a Improvements) of planning permission 25/1308/FUL
Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP
Received 30 Jan 2026 - Decided26/0152/FUL
Installation of new door to front elevation of annexe.
70 The Mead Carpenders Park Watford Hertfordshire WD19 5BU
Received 30 Jan 2026 - Decided26/0154/PDI
Prior Notification: Proposed to installation of 3 lifts to serve the existing subway, along with footbridge and associated equipment by Network Rail
Kings Langley Railway Station Station Road Kings Langley Hertfordshire WD4 8LF
Received 30 Jan 2026 - Decided26/0155/DIS
Discharge of Conditions 4 (Boundary Treatment) and 6 (Bin storage) pursuant to planning permission 25/1706/FUL
141 Hayling Road South Oxhey Watford Hertfordshire WD19 7DB
Received 2 Feb 2026 - Decided26/0156/DIS
Discharge of Condition 3 (Materials) pursuant to planning permission 25/1239/FUL
The Old House 3 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3DL
Received 2 Feb 2026 - Decided26/0157/BGP
Discharge of Biodiversity Gain Plan pursuant to planning permission 25/1706/FUL
141 Hayling Road South Oxhey Watford Hertfordshire WD19 7DB
Received 2 Feb 2026 - Decided26/0158/FUL
Demolition of existing dwelling and construction of two storey detached dwelling with associated parking and landscaping works.
5 Sandy Lodge Lane Moor Park Northwood Hertfordshire HA6 2JA
Received 2 Feb 2026 - Unknown26/0159/TPO
T275 - Walnut TreeReduce by 2 metres all round to create a reduced crownThis is to reduce leaf fall and stop the branches impacting rain gutters on the houses both sides
77 Valley Road Rickmansworth Hertfordshire WD3 4BL
Received 2 Feb 2026 - Decided26/0160/FUL
Erection of dropped kerb to provide vehicle access
52 Station Road Kings Langley Hertfordshire WD4 8LB
Received 3 Feb 2026 - Decided26/0161/PDE
Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 2.60 metres, maximum eaves height 2.45 metres)
45 Links Way Croxley Green Rickmansworth Hertfordshire WD3 3RH
Received 3 Feb 2026
Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.
View all applicationsResearching a proposal in Three Rivers District Council
Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.
How to search planning applicationsGuides to planning records
All planning guides
Understanding planning · 13 min read
Planning permission drawings: how to read plans
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.
UK researchPublished Updated
Property research · 13 min read
Planning approval rates: how to read council statistics
Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.
UK researchPublished Updated
What these statistics cover
These figures describe applications collected by PlanningTrack for Three Rivers District Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.
The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.
Check collection coverageMore planning authorities in England
- Thurrock Council
- Tonbridge and Malling Borough Council
- Torbay Council
- Torridge District Council
- Trafford Metropolitan Borough Council
- Tunbridge Wells Borough Council