Planning Applications in Rickmansworth, Hertfordshire

Planning authority: Three Rivers District Council

Search current and historic planning applications in Rickmansworth, Hertfordshire, published by Three Rivers District Council - 88 in the last 90 days. Explore them on the map, apply detailed filters, or receive free alerts for new proposals.

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Showing 50 of 88 applications
26/1161/CLPD 17 Jul 2026 Pending Consideration

31 Barton Way Croxley Green Rickmansworth Hertfordshire WD3 3PA

Certificate of Lawfulness Proposed Development: Single storey rear extension.

Certificate of Lawfulness - Proposed Use Three Rivers 17 Jul 2026
26/1159/FUL 16 Jul 2026 Pending Consideration

14 Whitegates Close Croxley Green Rickmansworth Hertfordshire WD3 3JY

Alterations to external materials; alterations to the fenestration

Full Application Three Rivers 16 Jul 2026
26/1147/FUL 15 Jul 2026 Pending Consideration

8 Landford Close Rickmansworth Hertfordshire WD3 1NG

Conversion of garage into habitable accommodation and construction of single storey side and rear extension, porch with canopy, construction of a deta...

Full Application Three Rivers 15 Jul 2026
26/1140/PDNE 14 Jul 2026 Pending Consideration

Croxley Danes School 48 Baldwins Lane Croxley Green Rickmansworth Hertfordshire WD3 3LR

Prior Approval Renewable Energy: Installation of roof-mounted solar panels

Prior Approval - Renewable Energy Three Rivers 14 Jul 2026
26/1126/DDD 13 Jul 2026 Approved

27 Field Way Rickmansworth Hertfordshire WD3 7EL

TPO 134 - T9 Horse Chestnut. Pollard to historic pollard points (shown in pictures) at approximately 10ft, to reduce the risk of failure over the scho...

Dead, diseased or dangerous Three Rivers 13 Jul 2026
26/1118/FUL 10 Jul 2026 Pending

46 Norfolk Road Rickmansworth Hertfordshire WD3 1LA

Demolition of existing single storey projection; construction of a single storey rear extension.

Full Application Three Rivers 10 Jul 2026
26/1103/DIS 9 Jul 2026 Pending Consideration

St Johns Roman Catholic JMI School Berry Lane Mill End Rickmansworth Hertfordshire WD3 7HG

Discharge of Condition 3 (reinstatement programme) pursuant to planning permission 22/0884/RSP

Three Rivers 9 Jul 2026
26/1101/FUL 8 Jul 2026 Pending

Rickmansworth Methodist Church Berry Lane Mill End Rickmansworth Hertfordshire WD3 7HJ

Removal of existing outbuildings and construction of a detached modular outbuilding for storage purposes.

Full Application Three Rivers 8 Jul 2026
26/1088/CLPD 7 Jul 2026 Pending Consideration

9 Meadow Way Rickmansworth Hertfordshire WD3 7NG

Certificate of Lawfulness Proposed Development: Construction of side dormer window; installation of rooflights; and loft level rear Juliet balcony.

Three Rivers 7 Jul 2026
26/1091/FUL 7 Jul 2026 Pending Consideration

123 High Street Rickmansworth Hertfordshire WD3 1AN

Installation of defibrillator and bleed kit cabinets to external wall

Three Rivers 7 Jul 2026
26/1077/PDE 3 Jul 2026 Pending Consideration

36 Girton Way Croxley Green Rickmansworth Hertfordshire WD3 3QN

Prior Approval: Single storey rear extension (depth 5.75 metres, maximum height 3.45 metres, maximum eaves height 3.45 metres)

Three Rivers 3 Jul 2026
26/1073/FUL 2 Jul 2026 Pending Consideration

59 Malvern Way Croxley Green Rickmansworth Hertfordshire WD3 3QQ

Variation of Condition 2 (Plans) pursuant to planning permission 25/2055/FUL to allow alterations to fenestration and associated internal alterations

Full Application Three Rivers 2 Jul 2026
26/1064/FUL 1 Jul 2026 Pending Consideration

Tesco Superstore Frogmoor Wharf Harefield Road Rickmansworth WD3 1LX

Installation of one self service laundry kiosk to Tesco Superstore curtilage

Full Application Three Rivers 1 Jul 2026
26/1065/ADV 1 Jul 2026 Pending Consideration

Tesco Superstore Frogmoor Wharf Harefield Road Rickmansworth WD3 1LX

Advertisement Consent: Installation of internally illuminated fascia sign

Advert Application Three Rivers 1 Jul 2026
26/1067/FUL 1 Jul 2026 Pending Consideration

46 Thellusson Way Mill End Rickmansworth Hertfordshire WD3 8RQ

Variation of condition 2 (Plans) pursuant to planning permission 24/1227/FUL to allow increase in height of the roof and changes to the fenestration.

Full Application Three Rivers 1 Jul 2026
26/1058/TPO 30 Jun 2026 Approved

6 Old Barn Lane Croxley Green Rickmansworth Hertfordshire WD3 3HU

Tree Number - G1 Tree Type - Ash & Lawson cypress hedge Approx. Height - 5-10m Service - Reduce height Work Required - Crown reduce ash back to previo...

Works to trees covered by a Tree Pres O Three Rivers 30 Jun 2026
26/1059/PDE 30 Jun 2026 Pending Consideration

50 Claremont Crescent Croxley Green Rickmansworth Hertfordshire WD3 3QR

Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.15 metres, maximum eaves height 3.00metres)

PD - Extensions Three Rivers 30 Jun 2026
26/1063/FUL 30 Jun 2026 Pending Consideration

17 Gonville Avenue Croxley Green Rickmansworth Hertfordshire WD3 3BY

Variation of Condition 2 (Plan numbers) pursuant to planning permission 25/0683/FUL to increase size of approved porch

Three Rivers 30 Jun 2026
26/1047/NMA 29 Jun 2026 Withdrawn

251 Baldwins Lane Croxley Green Rickmansworth Hertfordshire WD3 3LH

Non Material Ammendmnets to planning permission 25/1526/RSP to allow alteration to the colour of the windows on the front elevation from white to anth...

Non Material Amendments Three Rivers 29 Jun 2026
26/1050/FUL 29 Jun 2026 Pending Consideration

24A Berry Way Rickmansworth Hertfordshire WD3 7EY

Alterations to the rear fenestration.

Three Rivers 29 Jun 2026
26/1040/PDE 26 Jun 2026 Withdrawn

90 Sherborne Way Croxley Green Rickmansworth Hertfordshire WD3 3PG

Prior Approval: Single storey rear extension (depth 5.00 metres, maximum height 2.90 metres, maximum eaves height 2.90 metres)

PD - Extensions Three Rivers 26 Jun 2026
26/1042/FUL 26 Jun 2026 Pending Consideration

36 Girton Way Croxley Green Rickmansworth Hertfordshire WD3 3QN

Loft conversion including hip to gable roof extension; construction of a rear dormer; installation of rooflights and removal of chimney stack, single ...

Full Application Three Rivers 26 Jun 2026
26/1035/CLPD 25 Jun 2026 Pending Consideration

90 Sherborne Way Croxley Green Rickmansworth Hertfordshire WD3 3PG

Certificate of Lawfulness Proposed Development: Single storey rear extension; loft conversion including hip to gable extension, rear dormer and front ...

Certificate of Lawfulness - Proposed Use Three Rivers 25 Jun 2026
26/1028/PDE 24 Jun 2026 Pending Consideration

52 Barton Way Croxley Green Rickmansworth Hertfordshire WD3 3QA

Prior Approval: Single storey rear extension (depth 6.00m, maximum height: 2.95m, maximum eaves height: 2.95m)

PD - Extensions Three Rivers 24 Jun 2026
26/1029/FUL 24 Jun 2026 Pending Consideration

73 Ebury Road Rickmansworth Hertfordshire WD3 1BL

Single storey side and rear extension with rooflights

Full Application Three Rivers 24 Jun 2026
26/1012/CLPD 19 Jun 2026 Pending Consideration

68 Watford Road Croxley Green Rickmansworth Hertfordshire WD3 3BP

Certificate of Lawfulness Proposed Development: Loft conversion including hip-to-gable roof extension, rear dormer, front roof lights and removal of c...

Certificate of Lawfulness - Proposed Use Three Rivers 19 Jun 2026
26/0991/FUL 18 Jun 2026 Pending Consideration

90 Baldwins Lane Croxley Green Rickmansworth Hertfordshire WD3 3LP

Part-Retrospective: Construction of front porch, conversion of garage into habitable accommodation and internal alterations.

Full Application Three Rivers 18 Jun 2026
26/0991/RSP 18 Jun 2026 Pending Consideration

90 Baldwins Lane Croxley Green Rickmansworth Hertfordshire WD3 3LP

Part-Retrospective: Construction of front porch, conversion of garage into habitable accommodation and internal alterations.

Retrospective application Three Rivers 18 Jun 2026
26/1001/FUL 18 Jun 2026 Pending Consideration

17 Killingdown Farm Way Croxley Green Rickmansworth Hertfordshire WD3 3GB

Construction of a single storey side and rear extension

Full Application Three Rivers 18 Jun 2026
26/1002/TCA 18 Jun 2026 Approved

12 Dickinson Square Croxley Green Rickmansworth Hertfordshire WD3 3HA

The tree is in our garden at the bottom, it is a eucalyptus and grows very quickly, we intend to trim it from approx 16m to approx 8m before it grows ...

Works to trees in a conservation area Three Rivers 18 Jun 2026
26/0983/FUL 17 Jun 2026 Pending Consideration

49 Sherborne Way Croxley Green Rickmansworth Hertfordshire WD3 3PE

Demolition of existing conservatory and construction of single storey rear extension

Full Application Three Rivers 17 Jun 2026
26/0986/FUL 17 Jun 2026 Pending

76 Eastwick Crescent Mill End Rickmansworth Hertfordshire WD3 8YJ

Demolition of existing storage building conservatory; construction of rear and side extension; alterations to fenestration, including construction of ...

Full Application Three Rivers 17 Jun 2026
26/0973/CLPD 15 Jun 2026 Pending Consideration

125 Windmill Drive Croxley Green Rickmansworth Hertfordshire WD3 3FB

Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer and front rooflights.

Certificate of Lawfulness - Proposed Use Three Rivers 15 Jun 2026
26/0974/TCA 15 Jun 2026 Approved

The Ebury Rooms Ebury Road Rickmansworth Hertfordshire WD3 1BL

we would like to take down the tree, there is one right outside the front door, we suspect it to be a conifer which is now taller than the building an...

Works to trees in a conservation area Three Rivers 15 Jun 2026
26/0965/DIS 12 Jun 2026 Decided

Downfield 49 Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AH

Discharge of conditions 5 (Tree Method Statement) and 6 (Hard and Soft Landscaping) pursuant to planning permission 26/0547/FUL

Discharge of Conditions Three Rivers 12 Jun 2026
26/0954/FUL 11 Jun 2026 Pending Consideration

11 Nightingale Road Rickmansworth Hertfordshire WD3 7DE

Demolition of existing rear projection and construction of new single-storey side and rear extensions, pitched roof over existing side extension and a...

Full Application Three Rivers 11 Jun 2026
26/0949/FUL 10 Jun 2026 Withdrawn

Rear Of Dickinson House 132-146 New Road Dickinson Square Croxley Green Rickmansworth Hertfordshire WD3 3ET

Demolition of existing building and construction of two storey attached dwelling with associated rooflights, solar panels, amenity space and parking

Full Application Three Rivers 10 Jun 2026
26/0923/CLPD 5 Jun 2026 Awaiting decision

115 Frankland Road Croxley Green Rickmansworth Hertfordshire WD3 3AS

Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension, with rear juliet dormer and front rooflights

Certificate of Lawfulness - Proposed Use Three Rivers 5 Jun 2026
26/0926/TCA 5 Jun 2026 Approved

76 Nightingale Road Rickmansworth Hertfordshire WD3 7BT

Tree Number - T1 Tree Type - Weeping ash Approx. Diameter at 1.5m - 0.35m Approx. Height - 10m Approx. Crown Spread Diameter - 8m Location - See map S...

Works to trees in a conservation area Three Rivers 5 Jun 2026
26/0920/PDE 4 Jun 2026 Approved

87 Durrants Drive Croxley Green Rickmansworth Hertfordshire WD3 3NY

Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.00 metres, maximum eaves height 3.00 metres)

PD - Extensions Three Rivers 4 Jun 2026
26/0906/NMA 3 Jun 2026 Approved

Land Rear Of 219 New Road Croxley Green Rickmansworth Hertfordshire WD3 3HE

Non-material amendment to planning permission 24/1812/FUL to allow alterations to first-floor internal layouts of units 3, 4, and 5; and external hard...

Non Material Amendments Three Rivers 3 Jun 2026
26/0895/RSP 2 Jun 2026 Approved

3 Whitfield Way Mill End Rickmansworth Hertfordshire WD3 8QT

Retrospective: Construction of single storey rear extension

Retrospective application Three Rivers 2 Jun 2026
26/0888/FUL 1 Jun 2026 Approved

49 Frankland Road Croxley Green Rickmansworth Hertfordshire WD3 3AS

Demolition of existing single storey rear extension and construction of single storey rear extension, widening of existing first floor rear bay window...

Full Application Three Rivers 1 Jun 2026
26/0891/PDE 1 Jun 2026 Approved

20 Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AQ

Prior Approval: Single storey rear extension (depth 7.50 metres, maximum height 3.80 metres, maximum eaves height 2.80 metres)

PD - Extensions Three Rivers 1 Jun 2026
26/0894/FUL 1 Jun 2026 Pending Consideration

Trinity Court Church Street Rickmansworth Hertfordshire WD3 1RT

Construction of two additional storeys to existing two storey car park building to form four storey building (ground floor retained for parking and co...

Full Application Three Rivers 1 Jun 2026
26/0878/FUL 29 May 2026 Approved

11 Field Way Rickmansworth Hertfordshire WD3 7EL

Conversion of garage into habitable accommodation, windows to side elevation, extension to existing front porch canopy

Full Application Three Rivers 29 May 2026
26/0881/FUL 29 May 2026 Pending Consideration

Cloisters Hall The Cloisters Rickmansworth Hertfordshire WD3 1HL

Change of use from a former church hall/community building to a children nursery (Use Class E(f)); internal alterations; construction of associated bi...

Full Application Three Rivers 29 May 2026
26/0876/FUL 28 May 2026 Refused

58 Windmill Drive Croxley Green Rickmansworth Hertfordshire WD3 3FE

Change of use of existing amenity verge to residential curtilage to facilitate construction of two-storey side extension with front dormer; demolition...

Full Application Three Rivers 28 May 2026
26/0859/TPO 27 May 2026 Refused

1 Uplands Croxley Green Rickmansworth Hertfordshire WD3 4RD

Beech (T2) ? Crown reduction by 3-4 metres and reduction of branches by 2-3 metres to provide sufficient clearance to the property driveway, the pavem...

Works to trees covered by a Tree Pres O Three Rivers 27 May 2026
26/0865/CLPD 27 May 2026 Awaiting decision

6 Canterbury Way Croxley Green Rickmansworth Hertfordshire WD3 3SS

Certificate of Lawfulness Proposed Development: Loft conversion including rear juliet dormer; hip to gable roof alterations; front rooflights; window ...

Certificate of Lawfulness - Proposed Use Three Rivers 27 May 2026
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Data updated daily. Source: Three Rivers District Council planning portal.