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610 approved · 103 refused · 54 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
- Decided25/2234/RSP
Part-Retrospective: Demolition of existing front porch, garage, sunroom; construction of part-single, part-two storey side and rear extension, first floor front dormer extension, rear juliet balcony, relocation of entrance door and front portico, loft conversion including roof extension with rear juliet dormer and front/side rooflights, side solar panels, alterations to the rear patio and stepped access; extension of vehicular crossover and driveway; internal alterations, alterations to fenestration and external materials and rear solar panels.
109 Whitelands Avenue Chorleywood Rickmansworth Hertfordshire WD3 5RQ
Received 29 Dec 2025 - Decided25/2235/FUL
Replacement of 8no. windows
Primrose Cottage 3 South Road Chorleywood Rickmansworth Hertfordshire WD3 5AS
Received 29 Dec 2025 - Decided25/2236/CLPD
Certificate of Lawfulness Proposed Development: Construction of single storey rear extension and loft conversion including rear roof extension
209 Baldwins Lane Croxley Green Rickmansworth Hertfordshire WD3 3LH
Received 29 Dec 2025 - Decided25/2237/FUL
Construction of single storey front extension and conversion of garage into habitable accommodation
20 Long Lane Mill End Rickmansworth Hertfordshire WD3 8YE
Received 29 Dec 2025 - Decided25/2238/NMA
Non-material amendment pursuant to planning permission 25/1115/RSP to allow replacement of rooflight with a lantern rooflight to single storey rear extension
49 St Marys Avenue Northwood HA6 3AY
Received 29 Dec 2025 - Decided25/2239/FUL
Demolition of existing dwelling and construction of two storey self-build detached dwelling with associated access, parking and landscaping works
Marthas Vineyard Violet Way Loudwater Rickmansworth Hertfordshire WD3 4JP
Received 29 Dec 2025 - Decided25/2240/CLPD
Certificate of Lawfulness Proposed Development: Demolition of existing sheds and garage and construction of an outbuilding
34 Harrow Way Carpenders Park Watford Hertfordshire WD19 5ET
Received 30 Dec 2025 - Decided25/2241/RSP
Part-Retrospective: Extension of raised rear decking area
158 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AH
Received 30 Dec 2025 - Decided25/2242/FUL
Construction of side glazed structure to the ground floor level and installation of side/rear rooflights and solar panels
98 Wolsey Road Moor Park Northwood Hertfordshire HA6 2ED
Received 30 Dec 2025 - Decided25/2243/RSP
Part-retrospective: Variation of Condition 2 (Plans) pursuant to planning permission 25/1537/FUL to allow alterations to building materials and alterations to fenestrations.
136 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3BZ
Received 30 Dec 2025 - Decided26/0001/PDE
Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.00 metres, maximum eaves height 3.00 metres)
30 Broomfield Rise Abbots Langley Hertfordshire WD5 0HN
Received 2 Jan 2026 - Decided26/0002/FUL
Insertion of a rear dormer
1 Hedges Way Croxley Green Rickmansworth Hertfordshire WD3 3FA
Received 2 Jan 2026 - Decided26/0003/FUL
Partial Demolition of existing dwelling and construction of a part single, part two storey front, side and rear extension, internal alterations and alterations to fenestration including replacement of windows, alterations to external materials including render to first floor level and stock brick slips to ground floor level, installation of external insulation.
Langsett 22 Chorleywood Bottom Chorleywood Rickmansworth Hertfordshire WD3 5JR
Received 2 Jan 2026 - Decided26/0005/FUL
Replacement of glazed conservatory roof with timber roof
1 Lapwing Way Abbots Langley Hertfordshire WD5 0GG
Received 5 Jan 2026 - Unknown26/0006/TPO
T1- Beech tree. Tree was reduced 4 years ago.works required Lift canopy to 3m and reduce canopy by 20% reducing branch length by no more than 1.5m.The tree has a significant lean works are required to reduce the sail of the foliage producing a more compact tree.
8 Grovewood Close Chorleywood Rickmansworth Hertfordshire WD3 5PU
Received 5 Jan 2026 - Decided26/0007/FUL
Demolition of existing conservatory and construction of single storey rear extension and new roof from side to rear ground floor level with rooflights
12 Lancing Way Croxley Green Rickmansworth Hertfordshire WD3 3LN
Received 5 Jan 2026 - Decided26/0008/FUL
Construction of a part single, part two storey side extension and alterations to fenestration.
46 Mutchetts Close Garston Watford Hertfordshire WD25 9TS
Received 6 Jan 2026 - Decided26/0009/CLPD
Certificate of Lawfulness Proposed Development: Conversion of garage into habitable accommodation
24 Hill Rise Rickmansworth Hertfordshire WD3 7NZ
Received 6 Jan 2026 - Unknown26/0010/TPO
T2 - Horse Chestnut to reduce by 1.5m. We reduced this tree 5-6 years ago due to poor condition. The proposed reduction will reduce weight on the new growth that has now been produced. If left long term the weak unions could start to fail. This is over a road, close to a park so has a high footfall and is over a clients driveway and neighbouring out building so has a high risk of failure was to occur. Current height is around 12-15m
2 Love Lane Abbots Langley Hertfordshire WD5 0QA
Received 6 Jan 2026 - Decided26/0011/FUL
Replacement of doors and windows
Beechwood House Berry Lane Chorleywood Rickmansworth Hertfordshire WD3 5ED
Received 6 Jan 2026 - Decided26/0012/FUL
Erection of outbuilding (yurt) in the back garden for use as a counselling clinic
Great Wheelers Farm The Green Sarratt Rickmansworth Hertfordshire WD3 6BJ
Received 7 Jan 2026 - Unknown26/0013/TPO
T1 ? Holm oakTree currently oversized for the site and in close proximity to buildings (approx. 14m crown spread).Proposed works: reduce the crown by 2 to 2.5 metres, cutting back to the old pruning points, keeping the shape even on all sides and leaving the healthy new growth in place.
Holmoak 31 Sandy Lodge Road Moor Park Rickmansworth Hertfordshire WD3 1LP
Received 7 Jan 2026 - Unknown26/0014/TPO
TPO 774 Western Red Cedar-Remove
The Lodge House Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AQ
Received 7 Jan 2026 - Decided26/0015/FUL
Demolition of garage; construction of single-storey front, side and rear extension; front, side and rear gable roof extensions; side dormer and rooflights; internal alterations; and alterations to fenestration
98 Kenilworth Drive Croxley Green Rickmansworth Hertfordshire WD3 3NW
Received 7 Jan 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