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 dates

1,400Searchable 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610 approved · 103 refused · 54 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 2026

Planning information Planning Local plan Stephen Giles-Medhurst OBE Pre-application advice Pre-application advice Conservation areas Protected trees

Council contacts

Planning enquiriesenquiries@threerivers.gov.uk Council source
Planning enquiriesenquireplan@threerivers.gov.uk Council source
General council enquiriesplanning.enforcement@threerivers.gov.uk Council 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

Unknown26/0459/TPO
T1 x1 Willow (10m height) Pollard by 3m (leaving final height of 7m)T2 x1 Lime (approx 20m) Crown reduce by 1.5-2m (back to previous) & remove all epicormic and basal growthT3 x1 Cherry (7m height, 9m spread) heavily crown reduce by 3m due to previous poor workT4 x1 (Multi stem) Lime (10m height) Crown reduce by 3m heavy reduction and remove epicormic growth (included bark at base of tree)T5 x1 London Plane (15-16m height) reduce lateral overhanging gardens [Whitley Close] by 2.5-3m to bring into (round/columnar) shape and reduce lateral growing/crossing into Sweet ChestnutT6 x1 Sweet Chestnut (11-12m height) crown reduce by 1.5m
Land Adjacent To 1 Stirling Way Abbots Langley Hertfordshire
Received 20 Mar 2026
Awaiting decision26/0460/CLED
Certificate of Lawfulness Existing Use: Use of annexe as an independent dwelling
Annexe Hart Hall Hyde Lane Nash Mills Hemel Hempstead Hertfordshire HP3 8SA
Received 19 Mar 2026
Pending Consideration26/0462/AOD
Approval of Details: Details pursuant to Conditions 1 and 2 of Planning Permission 21/2896/OUT (Appeal Reference: APP/P1940/W/22/3300083) comprising layout, scale, appearance and landscaping of the residential development (20 dwellings) with new access to Church Lane and proposed pedestrian link to existing public footpath.
Land To The Rear Of 76 And 78 Church Lane Sarratt WD3 6HL
Received 20 Mar 2026
Decided26/0463/DIS
Discharge of Conditions 6(Landscape and Environmental Management Plan) and 8(Hard and Soft Landscaping) pursuant to planning permission 25/0154/FUL
Woodoaks Farm Denham Way Maple Cross Rickmansworth Hertfordshire WD3 9XQ
Received 20 Mar 2026
Decided26/0464/CLPD
Certificate of Lawfulness Proposed Development: Construction of front porch
24 Lynwood Heights Rickmansworth Hertfordshire WD3 4ED
Received 20 Mar 2026
Decided26/0465/FUL
Construction of single storey rear extension with rear balcony at first floor.
Jacasupi Lower Plantation Loudwater Rickmansworth Hertfordshire WD3 4PQ
Received 20 Mar 2026
Decided26/0466/FUL
Partial demolition of existing dwelling and construction of part-single storey, part-two storey rear extension including rear terrace balcony, first floor front extension, alterations to front porch and front elevation; construction of new roof including increase in ridge height and rear dormer window and side/rear rooflights; solar panels; internal alterations and alterations to fenestration; and new external materials including timber cladding
32 Shire Lane Chorleywood Rickmansworth Hertfordshire WD3 5NP
Received 23 Mar 2026
Decided26/0467/FUL
Loft conversion including hip-to-gable roof extension, rear dormer and front rooflights; and removal of side window
140 Links Way Croxley Green Rickmansworth Hertfordshire WD3 3RN
Received 23 Mar 2026
Decided26/0468/DIS
Discharge of Condition 7(Landscape Scheme) pursuant to planning permission 25/1903/RSP
Green Hill Sandy Lane Northwood HA6 3ER
Received 23 Mar 2026
Unknown26/0469/TCA
T1 - Cherry - Crown reduction to maintain at a reasonable size for locationReduce height by up to 2.5 metres, and lateral spread by up to 2 metres, to suitable growth points
Redcliffe 24 South Road Chorleywood Rickmansworth Hertfordshire WD3 5AR
Received 23 Mar 2026
Unknown26/0470/DDD
5 DAY NOTICET1 Dead Larch - dismantle and removeT2 Dead Pine - dismantle and remove
Beaumont House Nottingham Road Heronsgate Rickmansworth Hertfordshire WD3 5DP
Received 23 Mar 2026
Unknown26/0471/TCA
See plan tree 89 - BoughTrees 77-89 - thinning All trees are western red cedars - see arbicultural report
Frithcote Watford Road Northwood HA6 3PP
Received 23 Mar 2026
Decided26/0472/FUL
Demolition of the existing single-storey side extension and the erection of two-storey side to rear extension and front porch
3A Bury Lane Rickmansworth Hertfordshire WD3 1DW
Received 23 Mar 2026
Decided26/0473/FUL
Demolition of existing detached garage and construction of single storey rear extension; installation of window to side elevation
29 Dover Way Croxley Green Rickmansworth Hertfordshire WD3 3SD
Received 24 Mar 2026
Decided26/0474/CLPD
Certificate of Lawfulness Proposed Development: Installation of a window in the side elevation
111 Quickley Lane Chorleywood Rickmansworth Hertfordshire WD3 5PD
Received 24 Mar 2026
Decided26/0475/FUL
Installation of a greenhouse
12 The Byeway Rickmansworth Hertfordshire WD3 1JW
Received 24 Mar 2026
Unknown26/0476/TPO
T1 - Oak tree reduced by 2m due to excessive shading
10 St Martins Close South Oxhey Watford Hertfordshire WD19 6NJ
Received 24 Mar 2026
Decided26/0479/PDE
Prior Approval: Single storey rear extension (maximum depth 6.00 metres, maximum height 2.81 metres, maximum eaves height 2.81 metres)
116 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA
Received 24 Mar 2026
Decided26/0480/FUL
Replacement of wooden side fence and double gates facing Hillside Road, replacement of picket fence facing Quickley Lane, and erection of a greenhouse with storage
Hillside 34 Quickley Lane Chorleywood Rickmansworth Hertfordshire WD3 5AF
Received 24 Mar 2026
Unknown26/0481/TCA
Tree number - H1 Tree type - Leyland cypress (Leylandii Cuprocyparis)Approx Height - 6m Location - See map Service - Hedge trimmingWork required - Trim height and clients side only by removing annual growth.Reason - As part of regular maintenancePriority code - ONTree Number - G1 Tree Type - x2 Lime (Tilia cordata) & x1 Ash (Fraxinus excelsior) Approx. Diameter at 1.5m - 0.3m Approx. Height - 5-7m Approx. Crown Spread Diameter - 4-6m Location - See map Service - RepollardWork Required - Re-pollard back to previous pruning points by removing 1-2m, to include removal of all epicormic and basal growth Reason - As part of continued maintenance Priority Code - On
Cherry Tree Cottage Chess Hill Loudwater Rickmansworth Hertfordshire WD3 4HS
Received 24 Mar 2026
Unknown26/0482/TCA
Various tree works
68 Oaklands Avenue Oxhey Hall Watford Hertfordshire WD19 4LW
Received 24 Mar 2026
Unknown26/0483/TPO
Tree Number - T1 Tree Type - Sycamore (Acer pseudoplatanus)Approx. Diameter at 1.5m - 0.4mApprox. Height - 12m Approx. Crown Spread Diameter - 9m Location - See map Service - Section dismantleWork Required - Section dismantle tree to near ground levelReason - Significant decay present at the base of the tree and leans over neighbouring garden removal is recommended Priority Code - BTree Number - T3Tree Type - Sycamore (Acer pseudoplatanus)Approx. Diameter at 1.5m - 0.5mApprox. Height - 16m Approx. Crown Spread Diameter - 8m Location - See map Service - Section dismantleWork Required - Section dismantle tree to near ground levelReason - Large area of exposed area starting from the base of the tree up to a height of 4m and approx 0.5m wide, crack forming in part of exposed decayed sap wood, given proximity to neighbouring garden removal is recommended.Priority Code - B
Wildwood House 112 Valley Road Rickmansworth Hertfordshire WD3 4BH
Received 24 Mar 2026
Unknown26/0485/TPO
T13 - Reduce height by 2 - 2.5m and sides by 2 - 3m. Too large for location and casting vast shade over ownres and neighbours properties.
Old Blacketts 19 Dove Park Chorleywood Rickmansworth Hertfordshire WD3 5NY
Received 24 Mar 2026
Decided26/0486/CLPD
Certificate of Lawfulness Proposed Development: Alteration to boundary wall, brick pier wall, erection of electric gates leading to Rectory Lane.
200 High Street Rickmansworth Hertfordshire WD3 1BD
Received 24 Mar 2026

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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Researching 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 applications

Guides to planning records

All planning guides

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.
UK research
Published 16 Jul 2026Updated 13 Sept 2026
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 research
Published 6 Aug 2026Updated 13 Sept 2026
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 research
Published 13 Aug 2026Updated 13 Sept 2026

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 coverage