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610 approved · 103 refused · 54 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
- Decided26/0162/DIS
Discharge of Condition 6 (Replacement Planting) pursuant to planning permission 25/0885/FUL
8 Heathside Close Moor Park Northwood Hertfordshire HA6 2EQ
Received 3 Feb 2026 - Decided26/0163/FUL
Construction of two new dormer windows to front elevation
High Rising The Green Sarratt Rickmansworth Hertfordshire WD3 6BR
Received 3 Feb 2026 - Decided26/0164/FUL
Construction of single storey rear infill extension; extension to existing rear hipped roof to gable; front storm porch; conversion of garage into habitable accommodation; and alterations to fenestration
Ashlea Dunny Lane Belsize Kings Langley Hertfordshire WD4 9DE
Received 3 Feb 2026 - Decided26/0165/FUL
Demolition of existing outbuilding and construction of part-single, part-two storey front, side and rear extension, loft conversion with rear dormer windows, solar panels, rear balcony; loft accommodation above the garage including front/rear dormers, side rooflights; alterations to fenestration, boundary treatments including installation of front brick walls and piers, metal railings and timber entrance gates; creation of new access with alterations to driveway and landscaping works.
Downfield 49 Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AH
Received 3 Feb 2026 - Decided26/0167/FUL
Demolition of existing rear conservatory and construction of single storey rear extension
2 Westland Close Leavesden Watford Hertfordshire WD25 7GH
Received 3 Feb 2026 - Unknown26/0168/TPO
Both the Ash and Oak tree in question are both noted as G2. The owner of the property would like both the Ash tree and the Oak Tree to have crown reductions by approximately 3m - 4m which will allow for better sunlight into the garden. Currently the trees are so vast that sunlight is not something that the owner of the property as the luxury of.
74 Westbury Road Northwood HA6 3BZ
Received 3 Feb 2026 - Decided26/0170/CLPD
Certificate of Lawfulness Proposed Development: Conversion of garage into habitable accommodation
48 Margeholes Carpenders Park Watford Hertfordshire WD19 5AR
Received 4 Feb 2026 - Decided26/0171/CLPD
Certificate of Lawfulness Proposed Development: Conversion of garage into habitable accommodation
74 Durrants Drive Croxley Green Rickmansworth Hertfordshire WD3 3NS
Received 4 Feb 2026 - Decided26/0172/FUL
Demolition of existing store and construction of single storey rear extension and first floor side extension with front, side and rear dormer windows
The Lodge House Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AQ
Received 4 Feb 2026 - Unknown26/0175/TPO
Crown thinning to Wild Cherry TreeCrown reduction to Sycamore
9 Lower Plantation Loudwater Rickmansworth Hertfordshire WD3 4PQ
Received 4 Feb 2026 - Decided26/0176/FUL
Construction of first floor rear extension
32 Colne Avenue Rickmansworth Hertfordshire WD3 8BS
Received 4 Feb 2026 - Unknown26/0177/TPO
Please see appendix 1 tree schedule & Appendix 2 - maps of tree location plans of maintenance works required on trees on site, some of which are covered under TP0741
88 The Drive Rickmansworth Hertfordshire WD3 4DU
Received 4 Feb 2026 - Unknown26/0178/TPO
Various tree works
Sundorne Sarratt Lane Loudwater Rickmansworth Hertfordshire WD3 4AS
Received 4 Feb 2026 - Decided26/0179/RSP
Part Retrospective: Construction of single storey front extension, removal of existing chimney, installation of insulation and render, internal alterations and alterations to fenestration.
22 Upper Hill Rise Rickmansworth Hertfordshire WD3 7NU
Received 5 Feb 2026 - Decided26/0180/FUL
Replacement of 4no. windows to front elevation
27 Dickinson Square Croxley Green Rickmansworth Hertfordshire WD3 3HA
Received 5 Feb 2026 - Decided26/0181/FUL
Removal of Conditions 4 (Parking Spaces) and 5(Use Classes) of planning permission reference 8/592/82
The Ebury Rooms Ebury Road Rickmansworth Hertfordshire WD3 1BL
Received 5 Feb 2026 - Decided26/0182/CLPD
Certificate of Lawfulness Proposed Development: Demolition of existing shed and construction of outbuilding for use as a home office
8 Park Road Rickmansworth Hertfordshire WD3 1HT
Received 5 Feb 2026 - Decided26/0183/FUL
Construction of single storey side/rear extension.
7 Gilliat Row 22 Ebury Road Rickmansworth Hertfordshire WD3 1BN
Received 5 Feb 2026 - Decided26/0184/FUL
Construction of lower ground floor side and rear extensions and single storey front and side extensions and rear box window, conversion of garage into habitable accommodation; increase in ridge height, installation of insulation, solar panels, internal alterations and alterations to fenestration, external materials and finishes including render, stone and timber cladding
Willowbanks Batchworth Hill Rickmansworth Hertfordshire WD3 1JP
Received 6 Feb 2026 - Decided26/0185/CLPD
Certificate of Lawfulness Proposed Development: Loft conversion including an L shaped dormer
5 Popes Road Abbots Langley Hertfordshire WD5 0EY
Received 6 Feb 2026 - Decided26/0186/FUL
Loft conversion including demolition of existing roof and construction of new roof with front, side and rear dormer windows
Valley View Chess Way Chorleywood Rickmansworth Hertfordshire WD3 5TA
Received 6 Feb 2026 - Decided26/0188/FUL
Conversion of detached double garage into a habitable accommodation
20 Wellington Close Carpenders Park Watford Hertfordshire WD19 5BF
Received 6 Feb 2026 - Decided26/0189/FUL
Construction of single storey side/rear extension including alterations to roof of existing rear projection; alterations to external materials and finishes
29 Yorke Road Croxley Green Rickmansworth Hertfordshire WD3 3DW
Received 6 Feb 2026 - Decided26/0190/FUL
Alterations to front boundary treatment including replacement of front brick pier; alterations to driveway and landscaping works; alterations to raised rear patio paving and replacement/re-positioning of steps.
31 Wolsey Road Moor Park Northwood Hertfordshire HA6 2ER
Received 9 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
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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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