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610 approved · 103 refused · 54 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

Decided25/2097/FUL
Demolition of existing garage and construction of single storey front, side and rear extension, loft conversion including increase in ridge height with rear juliet dormer and front rooflights; internal alterations and alterations to fenestration
29 Bishops Avenue Northwood HA6 3DD
Received 3 Dec 2025
Decided25/2098/FUL
Construction of first-floor rear extension and lower ground floor rear extension, alterations to raised rear patio including replacement of decking, glass balustrading and stairs, alterations to rear fenestration including rear juliet balconies
18 Brushwood Drive Chorleywood Rickmansworth Hertfordshire WD3 5RT
Received 3 Dec 2025
Decided25/2099/FUL
Demolition of existing single storey rear extension, conservatory, store, garage and erection of first floor level to create two storey detached dwelling, construction of single storey side and rear extension with raised rear patio and front portico
90 Toms Lane Kings Langley Hertfordshire WD4 8NL
Received 3 Dec 2025
Decided25/2101/NMA
Non-material amendment to planning permission 24/1562/FUL to allow for the retention of parts of the existing front elevation
Unit 3 Langley Wharf Railway Terrace Kings Langley Hertfordshire WD4 8JE
Received 4 Dec 2025
Decided25/2102/FUL
Erection of a timber pergola.
Croxley Guild Bowls Club The Green Croxley Green Rickmansworth Hertfordshire WD3 3HT
Received 4 Dec 2025
Unknown25/2103/TPO
T4 Douglas-fir right front of propertyGoals:? Remove disease dead wood? Reduce density? Reduce likelihood of storm damage? Reduce risk of branch stem and/or root failure? Reduce weight of branch ends? Reduce crown spread? Crown raise to 5.0 metres.? Remove all dead branches, 5-10 centimetre diameter cut(s), entire canopy? Remove 10 percent of live branches, 5-10 centimetre diameter cut(s), entire canopy? Reduce Prune over-long lateral to west side of the tree by up to 1 metre and selective prune rest of tree as needed, 10-20 centimetre diameter cut(s), sides? Reduce and/or remove Crown raise to 5.0 metres. as needed, 10-20 centimetre diameter cut(s), lower canopy? Remove all debrisArborist Notes:? Remove dead wood throughout crown.? Crown raise to 5.0 metres.? Prune over-long lateral to west side of the tree by up to 1 metre and selective prune rest of tree to balance tree to maintain a good shape
47 Wolsey Road Moor Park Northwood Hertfordshire HA6 2ER
Received 4 Dec 2025
Decided25/2104/CLPD
Certificate of Lawfulness Proposed Development: Construction of a swimming pool in the rear garden
Sundial Cottage The Green Croxley Green Rickmansworth Hertfordshire WD3 3HT
Received 4 Dec 2025
Decided25/2107/PDNA
Prior Notification: Erection of agricultural barn with solar panels
New Model Farm Sarratt Road Rickmansworth Hertfordshire WD3 6AJ
Received 5 Dec 2025
Unknown25/2108/TCA
T1 - Western Red Cedar - Located in rear garden - The tree has failed. The foliage on the crown is sparse and brown. The bark is beginning to erode, and cracks are appearing around the base area. Given the species and the rate of decline, unfortunately, removal is the only option. We are therefore seeking permission to fell the tree as soon as possible on health and safety grounds.
18 Askew Road Moor Park Northwood Hertfordshire HA6 2JF
Received 5 Dec 2025
Decided25/2109/FUL
Construction of single storey side extension to create garage
27 Yorke Road Croxley Green Rickmansworth Hertfordshire WD3 3DW
Received 5 Dec 2025
Decided25/2110/RSP
Part Retrospective: Replacement of windows, internal plaster, boxed gutter flat roof and rafter support, reinstatement of brick work with lime mortar
Red Lion Cottage The Green Sarratt Rickmansworth Hertfordshire WD3 6BP
Received 5 Dec 2025
Decided25/2111/LBC
Listed Building Consent: Replacement of windows, internal plaster, boxed gutter flat roof and rafter support, reinstatement of brick work with lime mortar
Red Lion Cottage The Green Sarratt Rickmansworth Hertfordshire WD3 6BP
Received 5 Dec 2025
Decided25/2112/CLPD
Certificate of Lawfulness Proposed Development : Stationing of a caravan for ancillary residential use
50 Harthall Lane Kings Langley Hertfordshire WD4 8JH
Received 5 Dec 2025
Decided25/2114/DIS
Discharge of Condition 3 (Demolition and Construction Method Statement) and Condition 4 (Materials) pursuant to planning permission 23/0564/FUL
Lane End 6 Sandy Lodge Road Moor Park Rickmansworth Hertfordshire WD3 1LJ
Received 5 Dec 2025
Unknown25/2115/TPO
T2 Beech front right Smaller tree. To contain crown spread and help improve light. Suggest: reduce and reshape by approx. 20-25% or 2m.T3 Beech front left Larger tree. To contain crown spread and help improve light. Suggest: reduce and reshape by approx. 20-25% or 2m.T4 Cypress Hedge rear boundary . To help improve light on garden side: reduce back top lateral overhang by approx. 0.5-1m.T5 Beech rear boundary Dead tree, Fell to approx. 5-6 ft level with top of fence.
Beechwood House Woodside Walk Northwood HA6 3ET
Received 5 Dec 2025
Decided25/2116/CLPD
Certificate of Lawfulness Proposed Development: Construction of an outbuilding
22 Batchworth Lane Northwood HA6 3DR
Received 5 Dec 2025
Decided25/2117/CLPD
Certificate of Lawfulness Proposed Development: Construction of an outbuilding
20 Batchworth Lane Northwood HA6 3DR
Received 5 Dec 2025
Decided25/2118/FUL
Replacement doors and windows, and alterations to front bay window.
20A Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AQ
Received 5 Dec 2025
Decided25/2120/FUL
Removal of condition 3 (Lighting Hours) pursuant to planning permission 25/1012/RSP
57 - 59 High Street Abbots Langley Hertfordshire WD5 0AE
Received 8 Dec 2025
Decided25/2121/FUL
Installation of a smoking shelter
Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP
Received 8 Dec 2025
Decided25/2122/DIS
Discharge of Condition 6 (Materials) pursuant to planning permission 25/1852/FUL
Garages Adjacent 13 To 23 Pollards Maple Cross Hertfordshire
Received 8 Dec 2025
Decided25/2123/DIS
Discharge of Condition 8 (Materials) pursuant to planning permission 23/1570/FUL
Garages Rear Of 22 To 32 Pollards Maple Cross Hertfordshire
Received 8 Dec 2025
Decided25/2124/DIS
Discharge of Condition 8 (Materials) pursuant to planning permission 23/1619/FUL
Garages Between 83 And 89 The Queens Drive Mill End Hertfordshire
Received 8 Dec 2025
Decided25/2125/CLPD
Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension with rear dormer and front rooflights
24 Home Way Mill End Rickmansworth Hertfordshire WD3 8QL
Received 8 Dec 2025

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