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
Explore collected planning applications and decisions for Three Rivers District Council. Search an address, application reference or proposal to find a record.
610 approved · 103 refused · 54 withdrawn.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 Counts reflect the last collected status; some records may be out of date.
Contact details were found on council pages. Check the source for opening hours and which enquiries the service handles.
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.
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.
4 Westland Close Leavesden Watford Hertfordshire WD25 7GH
Received 11 Aug 202650 Harthall Lane Kings Langley Hertfordshire WD4 8JH
Received 11 Aug 2026Meresworth Residential Home Dellwood Rickmansworth Hertfordshire WD3 7EJ
Received 11 Aug 2026170A High Street Rickmansworth Hertfordshire WD3 1BA
Received 11 Aug 2026Compton The Clump Rickmansworth Hertfordshire WD3 4BG
Received 11 Aug 202666 Avior Drive Northwood HA6 3JG
Received 12 Aug 202616 The Cloisters Rickmansworth Hertfordshire WD3 1HL
Received 12 Aug 2026Maple Cross House And Kier Southern Building Maple Cross Hertfordshire WD3 9SE
Received 12 Aug 2026252 Baldwins Lane Croxley Green Rickmansworth Hertfordshire WD3 3LQ
Received 13 Aug 2026Elm Lodge Old Uxbridge Road West Hyde Rickmansworth Hertfordshire WD3 9XY
Received 13 Aug 202611 The Courtway Carpenders Park Watford Hertfordshire WD19 5DP
Received 13 Aug 2026Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP
Received 13 Aug 202611 The Courtway Carpenders Park Watford Hertfordshire WD19 5DP
Received 13 Aug 2026Windover 35 Astons Road Moor Park Northwood Hertfordshire HA6 2LB
Received 14 Aug 202665 Harvey Road Croxley Green Rickmansworth Hertfordshire WD3 3BS
Received 14 Aug 2026Woodland 42 The Drive Rickmansworth Hertfordshire WD3 4EB
Received 13 Aug 202618 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW
Received 14 Aug 2026Former Little Furze Junior Mixed Infants School Gosforth Lane South Oxhey Hertfordshire
Received 17 Aug 2026Rosecot Nottingham Road Heronsgate Rickmansworth Hertfordshire WD3 5DL
Received 17 Aug 202634 Canterbury Way Croxley Green Rickmansworth Hertfordshire WD3 3SS
Received 17 Aug 202644 The Clump Rickmansworth Hertfordshire WD3 4BQ
Received 12 Aug 2026St Pauls Church Langleybury Lane Huton Bridge Sarratt Langleybury Hertfordshire WD4 8QQ
Received 17 Aug 202612 Mount Pleasant Lane Bricket Wood Herts AL2 3XA
Received 17 Aug 202623 Wolsey Road Moor Park Northwood Hertfordshire HA6 2HN
Received 17 Aug 2026Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.
View all applicationsStart 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 applications
Understanding planning · 13 min read
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

Understanding planning · 13 min read
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

Property research · 13 min read
Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.
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 coverage