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610 approved · 103 refused · 54 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

Council contacts

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

  1. Pending Consideration26/1284/FUL

    Demolition of existing conservatory and construction of single storey rear extension

    4 Westland Close Leavesden Watford Hertfordshire WD25 7GH

    Received 11 Aug 2026
  2. Pending Consideration26/1285/FUL

    Variation of Condition 2 (In Accordance With Plans) pursuant to planning permission 25/0297/FUL to allow an increase in change of use area

    50 Harthall Lane Kings Langley Hertfordshire WD4 8JH

    Received 11 Aug 2026
  3. Unknown26/1286/TPO

    G1 - Hedge row of English yew, reduce back from the building to give a 1.5 metre clearance, as recommended in the attached tree safety report.

    Meresworth Residential Home Dellwood Rickmansworth Hertfordshire WD3 7EJ

    Received 11 Aug 2026
  4. Unknown26/1287/TCA

    Tree number - T1Tree type - Plum (Prunus cerasifera) Approx Height - 7m Location - Front gardenService - Crown ReductionWork required- Reduce crown all round by upto 1.5m and prune best form. Remove water shoots, from main stem. Sever and clear a 0.3m section of ivy from the circumference of the stem. Crown lift to approximately 3.5m. Reason - As part of regular maintenance, to relieve end weight from leaning stems. Priority code - On

    170A High Street Rickmansworth Hertfordshire WD3 1BA

    Received 11 Aug 2026
  5. Unknown26/1289/TPO

    Sectional dismantle using free fall techniques the declining T1 Silver Birch located at the left side of house reargarden area. Leave stump low. Remove resulting debris.Sectional dismantle using rigging equipment the declining decayed tree T2 Silver Birch located at the left side ofproperty rear garden. Leave stump at 2 metres. Remove resulting debris.Both trees are in serious decline and we request consent to remove them completely to prevent any serious damage to property or persons in the direct vicinity

    Compton The Clump Rickmansworth Hertfordshire WD3 4BG

    Received 11 Aug 2026
  6. Pending Consideration26/1291/FUL

    Construction of a two storey side and rear extension; alterations to front driveway; alterations to the fenestration

    66 Avior Drive Northwood HA6 3JG

    Received 12 Aug 2026
  7. Unknown26/1293/TCA

    Tree Number - H1Tree Type - Holly (Ilex aquifolium) hedgeApprox. Height - 4mLocation - Rear garden Rear boundary Service - Hedge TrimWork Required - Trim top and all sides as hard as possible whilst retaining a green screen, trim end so it is not overhanging the fenceReason - as part of continued maintenance Priority Code - onTree Number - T1Tree Type - Apple (malus spp) Approx. Diameter at 1.5m - 0.2-0.3m Approx. Height - 6mApprox. Crown Spread Diameter - 5mLocation - Rear garden left hand side Service - Crown ReductionWork Required - Crown reduce back to previous by removing between 0.5-1m from the height and from the sides Reason - as part of continued maintenance Priority Code - onTree number - T2Tree type - Willow leaf pearApprox Height - 4mLocation - Rear garden right hand sideService - PruneWork required- prune all over back to previous removing annual growthReason - as part of continued maintenance Priority code -onTree Number - H2Tree Type - Beech (Fagus sylvatica) hedgeApprox. Height - 4mLocation - Rear garden left hand boundary Service - Hedge TrimWork Required - trim top and all sides back to previous removing annual growthReason - as part of continued maintenance Priority Code - onTree number - T3Tree type - Swedish Whitebeam (Sorbus x intermedia) Approx. Diameter at 1.5m - 0.1-0.3m Approx. Height - 5mApprox. Crown Spread Diameter - 4mLocation - Rear garden left hand side Service - Crown ReductionWork required- Prune/trim all round by up to 0.4m to remove annual growth Reason - as part of continued maintenance Priority code - on.Tree number - T4Tree type - Holly (Ilex aquifolium) Approx Height - 4mLocation - front garden left hand boundary, by garageService - Hedge TrimmingWork required- trim and prune all over back to previous removing annual growth, prune harder on clients side to produce a more rounded shapeReason - As part of regular maintenance Priority code - OnTree Number - T7Tree Type...

    16 The Cloisters Rickmansworth Hertfordshire WD3 1HL

    Received 12 Aug 2026
  8. Pending Consideration26/1294/ADV

    Advertisement Consent: Construction of totem sign

    Maple Cross House And Kier Southern Building Maple Cross Hertfordshire WD3 9SE

    Received 12 Aug 2026
  9. Pending Consideration26/1295/FUL

    Extension to existing dormer and installation of rooflights.

    252 Baldwins Lane Croxley Green Rickmansworth Hertfordshire WD3 3LQ

    Received 13 Aug 2026
  10. Pending Consideration26/1296/FUL

    Construction of single storey rear extension; conversion of garage into habitable accommodation including alterations to roof form; alterations to front porch and construction of pitched roof; alterations to the fenestration.

    Elm Lodge Old Uxbridge Road West Hyde Rickmansworth Hertfordshire WD3 9XY

    Received 13 Aug 2026
  11. Pending Consideration26/1297/CLPD

    Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension; construction of a rear dormer; installation of front roof lights; removal of chimney stack; construction of front porch; demolition of existing outbuildings; construction of replacement outbuildings

    11 The Courtway Carpenders Park Watford Hertfordshire WD19 5DP

    Received 13 Aug 2026
  12. Pending Consideration26/1298/FUL

    Retention and extension of the existing acoustic timber fence on Backlot 2.

    Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP

    Received 13 Aug 2026
  13. Decided26/1299/PDE

    Prior Approval: Rear Extension (depth 6.00m, maximum height 3.00m, maximum eaves height 2.54m)

    11 The Courtway Carpenders Park Watford Hertfordshire WD19 5DP

    Received 13 Aug 2026
  14. Decided26/1301/TCA

    G5 Beech Prune laterally on house side to give 2m clearance from house. T8 Beech FellT12 Lawson cypress FellG13 Holly FellT14 Unknown - dead FellT16 Acer ssp FellT18 Unknown - dead FellT20 Apple FellT21 Pine - dead FellT23 Sycamore FellT26 Ash FellT29 Lawson cypress FellT30 Lawson cypress FellG31 Yew Crown clean. T32 Weeping willow FellT33 Cypress FellT34 Ash FellT36 Ash Fell

    Windover 35 Astons Road Moor Park Northwood Hertfordshire HA6 2LB

    Received 14 Aug 2026
  15. Pending Consideration26/1302/FUL

    Conversion of garage into habitable accommodation; demolition of existing rear existing extension; construction of part single, part two storey rear extension; construction of rear dormer window; internal alterations; alterations to the fenestration

    65 Harvey Road Croxley Green Rickmansworth Hertfordshire WD3 3BS

    Received 14 Aug 2026
  16. Pending Consideration26/1303/TPO

    G120 4 Beech Trees 20% thining of the crowns to remove crossed & suppressed branches and to maintain the general helath andcondition of the trees. Reduction by 2.5 meters of the branches overhanging the lawan in an eastery direction

    Woodland 42 The Drive Rickmansworth Hertfordshire WD3 4EB

    Received 13 Aug 2026
  17. Unknown26/1304/TCA

    TG1 Cypress (Leyland) RemoveTG2 Thuja Remove the closest x5 trees to the righthand flank of the subject propertyThe tree works are proposed to stop the influence of the tree(s) on the soil below building foundation level and provide long term stability.to 12 Bedford Road Northwood HA6 2AZ

    18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

    Received 14 Aug 2026
  18. Pending Consideration26/1308/DIS

    Discharge of Condition 5 (Landscape Management Plan) pursuant to planning permission 24/0788/AOD

    Former Little Furze Junior Mixed Infants School Gosforth Lane South Oxhey Hertfordshire

    Received 17 Aug 2026
  19. Unknown26/1309/TPO

    1 x Cedrus lebani (T1) - Specimen is in good health but requires maintenance works, we propose a 10% crown thin, removal of all deadwood and slight reductions to over extended lower limbs to bring them back within the rest of the crown.1 x Salix (T2) - Crown reduction of 1-2m all the way round and reduction of secondary leader to bring the top back within the rest of the crown, reducing sail and reducing risk of limb failure further down the line. Deadwood will also be cleared.

    Rosecot Nottingham Road Heronsgate Rickmansworth Hertfordshire WD3 5DL

    Received 17 Aug 2026
  20. Pending Consideration26/1311/CLPD

    Certificate of Lawfulness Proposed Development: Loft conversion including hip-to-gable roof extension; construction of a rear dormer; installation of front rooflights

    34 Canterbury Way Croxley Green Rickmansworth Hertfordshire WD3 3SS

    Received 17 Aug 2026
  21. Unknown26/1312/DDD

    Beech Tree - Fell

    44 The Clump Rickmansworth Hertfordshire WD3 4BQ

    Received 12 Aug 2026
  22. Decided26/1313/EEC

    Remove four rows of pews (8 in total) from the rear of the church.

    St Pauls Church Langleybury Lane Huton Bridge Sarratt Langleybury Hertfordshire WD4 8QQ

    Received 17 Aug 2026
  23. Decided26/1315/NAC

    Redevelopment of the site for the erection of nine dwellings - St Albans City & District Council - Planning ref: 5/2026/1276

    12 Mount Pleasant Lane Bricket Wood Herts AL2 3XA

    Received 17 Aug 2026
  24. Unknown26/1316/TCA

    Tree Number - G1Tree Type - 20x cypress and thuja mix Approx. Diameter at 1.5m - 0.3-0.4m Approx. Height - 12-16mApprox. Spread Diameter - 25mLocation - See map Service - Reduce heightWork Required - Reduce height by approximately 50% or up to 8m, to a finished height of approximately 8m from ground level. Trim remaining crown both sides to tidy. Reason - To manage the size of the trees for their location. Priority Code - CTree Number - G2Tree Type - 7x dead/ dying cypress Approx. Diameter at 1.5m - 0.3m Approx. Height - 5-12mApprox. Crown Spread Diameter - 3mLocation - See map Service - Section dismantleWork Required - Section dismantle trees to near ground levelReason - Trees are dead/ in decline Priority Code - ATree Number - G4Tree Type - 8x cypress spp.Approx. Diameter at 1.5m - 0.3m Approx. Height - 12-14mApprox. Spread Diameter - 12mLocation - See map Service - Reduce heightWork Required - Reduce height by approximately 50% by removing up to 7m, to a finished height of approximately 7m from ground level. Trim remaining crown to tidy. Reason - To manage the size of the trees for their location. Priority Code - C

    23 Wolsey Road Moor Park Northwood Hertfordshire HA6 2HN

    Received 17 Aug 2026

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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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