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610 approved · 103 refused · 54 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
- Decided26/0662/NMA
Non-material amendment pursuant to planning permission 26/0256/FUL to allow installation of pedestrian gate
Hertford Place Denham Way Maple Cross Hertfordshire
Received 23 Apr 2026 - Decided26/0663/FUL
Construction of single storey rear extension and side/rear porches; installation of new side and rear doors
The White Cottage The Green Sarratt Rickmansworth Hertfordshire WD3 6BL
Received 23 Apr 2026 - Decided26/0664/LBC
Listed Building Consent: Construction of single storey rear extension and side/rear porches; installation of new side and rear doors and windows
The White Cottage The Green Sarratt Rickmansworth Hertfordshire WD3 6BL
Received 23 Apr 2026 - Decided26/0667/TPO
Various tree works
Woodlands Cottage Oxhey Grange Oxhey Lane Carpenders Park Watford Hertfordshire WD19 5RF
Received 23 Apr 2026 - Decided26/0668/NMA
Non-material amendment pursuant to planning permission 24/1963/FUL to allow installation of GRP cabinet to the northwest of Unit 1
Site Of Former Maple Cross House, Denham Way And Kier Offices Off Maple Lodge Close, Maple Cross Rickmansworth Hertfordshire WD3 9SW
Received 24 Apr 2026 - Decided26/0669/DIS
Discharge of Condition 11(Remediation and Verification Strategy and Environmental Assessment) pursuant to planning permission 24/1137/FUL
No.3 To No.6 Wolsey Business Park Tolpits Lane Hertfordshire WD18 9BL
Received 24 Apr 2026 - Decided26/0670/FUL
Construction of part-single, part two storey rear extension and side porch, replacement of windows and removal of oil tank
Belsize House Plough Lane Sarratt Rickmansworth Hertfordshire WD3 4QP
Received 24 Apr 2026 - Decided26/0671/LBC
Listed Building Consent: Construction of part-single, part two storey rear extension and side porch, replacement of windows and removal of oil tank
Belsize House Plough Lane Sarratt Rickmansworth Hertfordshire WD3 4QP
Received 24 Apr 2026 - Decided26/0672/PDE
Prior Approval: Single storey rear extension (depth 8.00 metres, maximum height 4.00 metres, maximum eaves height 2.80 metres)
156 Toms Lane Kings Langley Hertfordshire WD4 8NZ
Received 24 Apr 2026 - Pending Consideration26/0673/FUL
Extension and conversion of existing building to provide 2 commercial units (Use Class E) and erection of 7no. self-contained residential dwellings (Use Class C3) including a two storey rear extension, loft conversion, installation of roof lights, installation of solar panels
National Westminster Bank 159 - 161 High Street Rickmansworth Hertfordshire WD3 1BA
Received 24 Apr 2026 - Decided26/0674/FUL
Construction of part-single, part-two storey front, side and rear extension, first floor terrace balcony, internal alterations and alterations to fenestration; external materials including render and timber cladding; boundary treatments including retaining walls and timber decking
4 Wildacres Northwood HA6 3JD
Received 24 Apr 2026 - Decided26/0677/FUL
Construction of an outdoor riding manege
Bay Tree Farm Bucks Hill Kings Langley Hertfordshire WD4 9AU
Received 27 Apr 2026 - Decided26/0678/FUL
Demolition of existing garage and outbuilding, construction of two storey front and side extensions; single storey side and rear extensions; omission of rear balconies and replacement with rear juliet balconies, internal alterations and alterations to fenestration; alterations to driveway; extension of rear patio area; alteration of external materials including render and cladding; alteration of front entrance
16A Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AE
Received 27 Apr 2026 - Decided26/0679/FUL
Construction of part-single, part-two storey side extension, alterations to roof including side and rear dormers, side and rear solar panels; rooflights, alterations to fenestration and new flue
The Weather House Lavrock Lane Croxley Hall Croxley Green Rickmansworth Hertfordshire WD3 3BE
Received 27 Apr 2026 - Decided26/0680/CLPD
Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer and front rooflights
64 The Queens Drive Mill End Rickmansworth Hertfordshire WD3 8LT
Received 27 Apr 2026 - Decided26/0681/FUL
Construction of single storey rear extension; front porch; rear patio extension, loft conversion including rear dormer window and front and side rooflights; alterations to flank window; and alterations to external materials including render.
Oaklands Harthall Lane Kings Langley Hertfordshire WD4 8JN
Received 27 Apr 2026 - Decided26/0682/NAC
Neighbouring Authority Consultation: Construction of a rear swim spa with a gazebo - Buckinghamshire County Council - PL/26/01887/FA
Mirabel 3 Phillips Hill Cottages Old Shire Lane Chorleywood WD3 5PN
Received 24 Apr 2026 - Decided26/0683/FUL
Joint Application: Construction of first floor side extension, loft conversion including hip to gable roof extension, with rear dormer and front rooflights to 6 and 8 Eastwick Crescent, Construction of single storey rear extension to 6 Eastwick Crescent
6 And 8 Eastwick Crescent Mill End Rickmansworth Hertfordshire WD3 8YJ
Received 27 Apr 2026 - Decided26/0684/DIS
Discharge of Condition 3 (Tree Protection Plan) pursuant to planning permission 24/0294/FUL
Windover 35 Astons Road Moor Park Northwood Hertfordshire HA6 2LB
Received 28 Apr 2026 - Decided26/0685/CLPD
Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer and front rooflights
26 Owens Way Croxley Green Rickmansworth Hertfordshire WD3 3PU
Received 28 Apr 2026 - Decided26/0686/PDE
Prior Approval: Single storey rear extension (depth 5.00 metres, maximum height 3.50 metres, maximum eaves height 3.00 metres)
31 Barton Way Croxley Green Rickmansworth Hertfordshire WD3 3PA
Received 28 Apr 2026 - Decided26/0687/DIS
Discharge of Condition 5 (Replanting Scheme) pursuant to planning permission 26/0246/FUL
34 Wolsey Road Moor Park Northwood Hertfordshire HA6 2EN
Received 28 Apr 2026 - Decided26/0690/FUL
Construction of single storey side extension
55 Hampermill Lane Oxhey Hall Watford Hertfordshire WD19 4NT
Received 28 Apr 2026 - Decided26/0691/RSP
Part-retrospective: Replacement of ground floor bay window with french doors and sidelight, erection of side patio, and installation of new boundary picket fence and timber gate
22 Margaret Close Abbots Langley Hertfordshire WD5 0NN
Received 28 Apr 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
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Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.
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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.
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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.
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