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610 approved · 103 refused · 54 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
- Unknown26/0519/TPO
Group of 3x mature Common Ash trees (Fraxinus excelsior) G1Crown lift all trees 2.4 - 3m: to tidy and give more space on either side of the boundaryCrown clean, removing major deadwood and epicormic growth in the interest of tree health and safety
4 Upland Court 53 Batchworth Lane Northwood HA6 3HE
Received 30 Mar 2026 - Decided26/0520/FUL
Erection of three buildings comprising six new industrial units (Use Classes B2/B8/E(g)iii) with ancillary office space, including associated infrastructure, parking and landscaping
Woodcock Hill Industrial Estate Harefield Road Rickmansworth Hertfordshire WD3 1PQ
Received 30 Mar 2026 - Decided26/0521/FUL
Change of use of part of the ground floor to use as a children's nursery (Use Class E(f)); erection of single storey side extension to create the provision of a new entrance with associated parking
6 Hercules Way Leavesden Hertfordshire
Received 30 Mar 2026 - Decided26/0522/FUL
Demolition of existing garage and single storey rear extension and construction of single storey rear extension and rear patio extension
20 Beechcroft Avenue Croxley Green Rickmansworth Hertfordshire WD3 3EQ
Received 30 Mar 2026 - Decided26/0523/FUL
Construction of single storey rear extension and front porch, conversion of garage into habitable accommodation, alterations to rear fenestration, with associated rear patio and landscape works
20 Chorleywood Bottom Chorleywood Rickmansworth Hertfordshire WD3 5JR
Received 30 Mar 2026 - Unknown26/0524/TPO
Reduce height of 2 Silver Birch by 3m trees. Identified as T18 and T19 in Tree Condition ReportReduce height of Lawson Cypress by 4m to reduce safety risk identified as Tree T10 in reportRemove Silver Birch which is in poor condition, identified as T22 in reportRemove dying Cypress Tree identified a T12 in report
110 Valley Road Rickmansworth Hertfordshire WD3 4BH
Received 27 Mar 2026 - Decided26/0525/FUL
Construction of two storey front extension, partial loft conversion to create mezzanine level with rear dormer and front/side rooflights; erection of rear pergola and front porch canopy, replacement of entrance door; alterations to fenestration; external materials including timber cladding
4 Shepherds Way Rickmansworth Hertfordshire WD3 7NJ
Received 31 Mar 2026 - Unknown26/0526/TPO
Horse Chestnut tree (TPO-284) at the bottom of the garden of 9 Linnet Road requires 20% crown reduction due to the lack of daylight to the property of 9 linnet road. Further trimming of overhang ing branches due to the sticky buds dropped on the lawn would also be preferable due to pet hazards.
9 Linnet Road Abbots Langley Hertfordshire WD5 0GN
Received 31 Mar 2026 - Decided26/0527/BGP
Discharge of Biodiversity Gain Plan pursuant to planning permission 24/1950/FUL
Cottage Farm Redhall Lane Chandlers Cross Rickmansworth Hertfordshire WD3 4LT
Received 30 Mar 2026 - Decided26/0529/DIS
Discharge of Conditions 29(Site Drainage) and 30(Drainage Management and Maintenance Plan) pursuant to planning permission 22/0033/FUL
Hertford Place Denham Way Maple Cross Hertfordshire
Received 31 Mar 2026 - Unknown26/0530/TPO
T7 x1 Willow (10-11m) Re-pollard (2.5-3m pruning lengths) [located in rear garden of 1 Stirling Way]
1 Stirling Way Abbots Langley Hertfordshire WD5 0TS
Received 31 Mar 2026 - Unknown26/0533/TCA
T1562 Oak Tree-It is recommended that the crown is reduced by approximately 3 m in height and 2 min lateral branch length, to reduce loading on the decayed stem and encourage theproduction of epicormic growth lower in the crown. This may facilitate further, futurepruning if considered necessary and will retain the tree with its many habitat features,at reduced dimensions.
Land Opposite 36 Astons Road Astons Road Moor Park Hertfordshire
Received 27 Mar 2026 - Unknown26/0534/TPO
South Approach Woodlands T1947 Ash- It is recommended that the crown is reduced by approximately 6 m in height and 3 min radial branch length, to reduce loading and increase the amount of shelter providedby surrounding trees, to reduce the potential for stem failure and retain the tree andthe habitat it currently provides. A reduction of 6 m in height will prevent the tree frombeing able to reach the railway fence line if it were to fail, providing a balancedapproach to risk management and habitat retention
South Approach Woodland Opposite 20 South Approach Moor Park Hertfordshire
Received 27 Mar 2026 - Decided26/0535/FUL
Demolition of existing outbuilding and construction of replacement outbuilding to be used as annexe
Monkbarns Lodge Sandy Lane Northwood HA6 3ER
Received 1 Apr 2026 - Decided26/0536/FUL
Construction of single storey side and rear extensions, conversion of garage into habitable accommodation and loft conversion including rear dormer window
65 Bucknalls Lane Garston Watford Hertfordshire WD25 9NE
Received 1 Apr 2026 - Decided26/0537/FUL
Construction of part single, part two storey front and side extension, single storey rear extension; installation of windows to side elevation
63 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3DS
Received 1 Apr 2026 - Decided26/0538/DIS
Discharge of Condition 6(Construction and Demolition Method Statement) pursuant to planning permission 25/1994/FUL
Tamahine The Green Croxley Green Rickmansworth Hertfordshire WD3 3HX
Received 1 Apr 2026 - Decided26/0539/DIS
Discharge of Condition 3 (Arboricultural method statement and tree protection) pursuant to planning permission 25/1643/FUL
Land At Chilwell Gardens Chilwell Gardens South Oxhey Hertfordshire
Received 1 Apr 2026 - Decided26/0540/CLPD
Certificate of Lawfulness Proposed Development: Conversion of garage into habitable accommodation, alteration to ground floor fenestration
99 Blacketts Wood Drive Chorleywood Rickmansworth Hertfordshire WD3 5PS
Received 1 Apr 2026 - Decided26/0541/DIS
Discharge of Condition 21 (Hard and Soft Landscaping) pursuant to planning permission 24/1963/FUL
Maple Cross House, Denham Way And Kier Offices Off Maple Lodge Close, Maple Cross Rickmansworth Hertfordshire WD3 9SW
Received 2 Apr 2026 - Decided26/0542/FUL
Conversion of garage into habitable accommodation with alterations to front/side fenestration and erection of binstore.
Primrose House Homefield Road Chorleywood Rickmansworth WD3 5QJ
Received 2 Apr 2026 - Decided26/0543/FUL
Construction of part-single, part-two storey rear extension, first floor side extension, windows to side elevation
113 Tudor Way Mill End Rickmansworth Hertfordshire WD3 8HT
Received 2 Apr 2026 - Unknown26/0546/DDD
Silver Birch - Fell
39 Sandy Lodge Road Moor Park Rickmansworth Hertfordshire WD3 1LP
Received 31 Mar 2026 - Decided26/0547/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 7 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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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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