Planning Applications in Rickmansworth, Hertfordshire

Planning authorities: Three Rivers District Council, Hertfordshire County Council

See all 5,103 planning applications in Rickmansworth since 2016, 92 in the last 90 days. Search and filter Three Rivers District Council's applications, see the latest on the map, or get free alerts for new ones.

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Showing 50 of 92 applications
2 days ago Pending Consideration 26/1692/FUL

4 Canterbury Way Croxley Green Rickmansworth Hertfordshire WD3 3SS

Construction of an outbuilding

Full Application Three Rivers
2 days ago Pending Consideration 26/1689/FUL

15 Dover Way Croxley Green Rickmansworth Hertfordshire WD3 3SL

Demolition of existing single storey side extension and construction of single storey front and side extension

Full Application Three Rivers
22 Oct 2026 Pending Consideration 26/1676/FUL

75 West Way Rickmansworth Hertfordshire WD3 7EH

Demolition of existing conservatory and constrcution of single storey rear extension, removal of existing door and window of side elevation and additi...

Full Application Three Rivers
22 Oct 2026 Pending Consideration 26/1673/TPO

5 Springwell Court Springwell Avenue Mill End Rickmansworth Hertfordshire WD3 8DL

T3 Beech- fell and replace

Works to trees covered by a Tree Pres O Three Rivers
22 Oct 2026 Pending Consideration 26/1663/FUL

161 New Road Croxley Green Rickmansworth Hertfordshire WD3 3HB

Construction of first floor rear extension and front porch; internal alterations and alterations to fenestration including new windows to side elevati...

Full Application Three Rivers
20 Oct 2026 Pending Consideration 26/1578/FUL

137 High Street Rickmansworth Hertfordshire WD3 1AR

Part change of use of the ground floor and first floor commercial premises to residential use (Use Class C3)and creation of two residential flats incl...

Full Application Three Rivers
19 Oct 2026 Pending Consideration 26/1657/NMA

123 High Street Rickmansworth Hertfordshire WD3 1AN

Non-Material Amendments to planning permission 26/1091/FUL to allow alteration to design of combined defibrillator and bleed kit cabinet.

Non Material Amendments Three Rivers
14 Oct 2026 Pending Consideration 26/1647/TPO

115 Windmill Drive Croxley Green Rickmansworth Hertfordshire WD3 3FB

Ornamental cherry tree. Approx 18ft tall. Suffering from a canker. I'd like to fully remove the tree as it can't be treated and I don't want it spread...

Works to trees covered by a Tree Pres O Three Rivers
14 Oct 2026 Pending Consideration 26/1645/PDE

13 Curtis Close Mill End Rickmansworth Hertfordshire WD3 8QA

Prior Approval: Construction of a single storey rear extension (depth 3.2m, maximum height 2.95m, maximum eaves height 2.87m)

PD - Extensions Three Rivers
13 Oct 2026 Pending Consideration 26/1615/FUL

6 Winton Crescent Croxley Green Rickmansworth Hertfordshire WD3 3QX

Construction of a single storey rear extension

Full Application Three Rivers
12 Oct 2026 Pending Consideration 26/1121/LBC

Basing House 46 High Street Rickmansworth Hertfordshire WD3 1HP

Listed Building Consent: Installation of Openreach full fibre broadband infrastructure to serve Basing House; including the installation of fibre cabl...

Listed Building Consent Three Rivers
12 Oct 2026 Awaiting decision 26/1622/TPO

7 Springwell Court Springwell Avenue Mill End Rickmansworth Hertfordshire WD3 8DL

Works: Fell T1, T2 to ground level and replace with 2 smaller species (8-10cm girth) to be agreed with the Council's Tree Officer but could be Rowan (...

Works to trees covered by a Tree Pres O Three Rivers
12 Oct 2026 Pending Consideration 26/1632/DIS

Chapel Royal Masonic School Rickmansworth Park Rickmansworth Hertfordshire WD3 4HF

Discharge of Condition 5 (Material samples - rainwater goods) pursuant to planning permission 25/1090/LBC

Discharge of Conditions Three Rivers
8 Oct 2026 Pending Consideration 26/1536/FUL

3 Cherry Croft Croxley Green Rickmansworth Hertfordshire WD3 3AL

Replacement of existing timber windows with UPVc windows

Full Application Three Rivers
7 Oct 2026 Pending Consideration 26/1609/FUL

Maintenance Compund The Aquadrome Frogmoor Lane Rickmansworth Hertfordshire

Demolition of existing office building; construction of replacement office building with solar panels; alterations to the shed including alterations t...

Full Application Three Rivers
7 Oct 2026 Awaiting decision 26/1612/TPO

Meresworth Residential Home Dellwood Rickmansworth Hertfordshire WD3 7EJ

G1- Hedge Row of yew trees, reduce back from the building to give 1.5 metre clearance and reduce the height by 1.5 - 2 metres to allow more light into...

Works to trees covered by a Tree Pres O Three Rivers
6 Oct 2026 Awaiting decision 26/1599/TCA

9 Dugdales Croxley Green Rickmansworth Hertfordshire WD3 3JL

T1 & T2 Thuja removal. Replaced with x 2 hawthorns. These works have been agreed with neighbours such that the Coach House can undertake their buildin...

Works to trees in a conservation area Three Rivers
6 Oct 2026 Pending Consideration 26/1503/ADV

Cafeteria Rickmansworth L T E Station Station Approach Rickmansworth Hertfordshire WD3 1QY

Advertisement Consent: Installation of non illuminated signage to shop front

Advert Application Three Rivers
6 Oct 2026 Awaiting decision 26/1600/TCA

16 Dickinson Square Croxley Green Rickmansworth Hertfordshire WD3 3HA

T1 Cherry Tree reduce back to most previous points, approx 2-2.5m from height and approx 1.5m from sides to balance crown

Works to trees in a conservation area Three Rivers
6 Oct 2026 Awaiting decision 26/1588/TPO

Appleby Drive Croxley Green Hertfordshire

T1: Oak (height 18m, spread 10m) Crown reduce by 1.5m-2m/ back to previous pruning points, remove epicormic and basal growth T2: Oak (height 18m, spre...

Works to trees covered by a Tree Pres O Three Rivers
6 Oct 2026 Pending Consideration 26/1448/FUL

42 Winton Drive Croxley Green Rickmansworth Hertfordshire WD3 3RD

Demolition of existing conservatory and construction of a single storey side and rear extension; alterations to the patio

Full Application Three Rivers
6 Oct 2026 Awaiting decision 26/1590/TCA

Batchworth Place Church Street Rickmansworth Hertfordshire WD3 1JE

G1 Group of Hazel; Re-coppice at previous points at a height of approximately 1.2 metres. G2 Group of Hazel; Coppice all stems to ground level and lea...

Works to trees in a conservation area Three Rivers
5 Oct 2026 Pending Consideration 26/1581/CLPD

Millstream 101 Uxbridge Road Rickmansworth Hertfordshire WD3 7DJ

Certificate of Lawfulness Proposed Development: Demolition of the existing rear dormer and first floor roof extension and construction of loft convers...

Certificate of Lawfulness - Proposed Use Three Rivers
5 Oct 2026 Pending Consideration 26/1542/FUL

70 Chiltern Drive Mill End Rickmansworth Hertfordshire WD3 8JZ

Construction of two storey side extension and single storey rear extension

Full Application Three Rivers
5 Oct 2026 Pending Consideration 26/1470/PDE

6 Sycamore Approach Croxley Green Rickmansworth Hertfordshire WD3 3TN

Prior Approval: Single storey rear extension (depth 4.5m, maximum height 3m, maximum eaves height 3m)

PD - Extensions Three Rivers
2 Oct 2026 Pending Consideration 26/1571/FUL

Scotsbridge House Scots Hill Croxley Green Rickmansworth Hertfordshire WD3 3BB

Variation of Conditions 2 (Plans), 10 (EVCPs), 15 (Parking spaces), 26 (Stacked parking system) pursuant to planning permission 25/0488/RSP to allow r...

Full Application Three Rivers
30 Sept 2026 Pending Consideration 26/1525/FUL

22 Meadow Way Rickmansworth Hertfordshire WD3 7NQ

Construction of a single storey side and rear extension; installation of roof lights; internal alterations; alterations to fenestration; alterations t...

Full Application Three Rivers
28 Sept 2026 Approved 20 Oct 26/1539/TCA

114 Ebury Road Rickmansworth Hertfordshire WD3 1BN

Tree Number - G1 Tree Type - Plum x2 Approx. Diameter at 1.5m - 0.3m Approx. Height - 5m Approx. Crown Spread Diameter - 3m Work Required - Section di...

Works to trees in a conservation area Three Rivers
28 Sept 2026 Pending Consideration 26/1458/DIS

16A Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AE

Discharge of Conditions 3 (Precommencement - TPP) and 4 (Details - Materials) pursuant to planning permission 26/0678/FUL

Discharge of Conditions Three Rivers
23 Sept 2026 Withdrawn 7 Oct 26/1513/FUL

Cafeteria Rickmansworth L T E Station Station Approach Rickmansworth Hertfordshire WD3 1QY

Change of use from cafe (Class E) to convenience store (Class E) including internal and external alterations

Full Application Three Rivers
23 Sept 2026 Pending Consideration 26/1435/FUL

Halfacre Parrotts Close Croxley Green Rickmansworth Hertfordshire WD3 3JZ

Construction of ground floor rear infill extension; increase in ridge height to roof; insertion of front, side, and rear dormer windows; insertion of ...

Full Application Three Rivers
22 Sept 2026 Pending Consideration 26/1484/FUL

16 Valley Walk Croxley Green Rickmansworth Hertfordshire WD3 3SY

Construction of a detached outbuilding

Full Application Three Rivers
22 Sept 2026 Approved 15 Oct 26/1509/TCA

19 Cedars Avenue Rickmansworth Hertfordshire WD3 7AW

Tree 1- large mature conifer (species unknown), a, surrounding groundpprox 10-12 metres in height situated in front garden, adjacent to the front boun...

Works to trees in a conservation area Three Rivers
22 Sept 2026 Approved 15 Oct 26/1504/TCA

Halfacre Parrotts Close Croxley Green Rickmansworth Hertfordshire WD3 3JZ

Eucalyptus G6 - Reduce height approximately 4/5metres and trim sides approximately 2metres.

Works to trees in a conservation area Three Rivers
22 Sept 2026 Approved 15 Oct 26/1507/TPO

63 Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AH

Tree Number - T1 Tree Type - Silver birch (Betula pendula) Approx. Diameter at 1.5m - 0.4m Approx. Height - 12m Approx. Crown Spread Diameter - 13m Se...

Works to trees covered by a Tree Pres O Three Rivers
18 Sept 2026 Pending Consideration 26/1422/OUT

156 The Drive Rickmansworth Hertfordshire WD3 4DH

Outline application: Construction of 2no. detached two-storey, self build dwellings, to the rear of No.156 The Drive with associated access, parking a...

Outline Application Three Rivers
17 Sept 2026 Approved 20 Oct 26/1377/CLPD

8 Gonville Avenue Croxley Green Rickmansworth Hertfordshire WD3 3BY

Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension with a rear dormer and installation of front roo...

Certificate of Lawfulness - Proposed Use Three Rivers
16 Sept 2026 Pending Consideration 26/1475/PDM

13 Church Street Rickmansworth Hertfordshire WD3 1BX

Prior Approval: Change of Use of First Floor (Class E) into a single self-contained dwelling (Use Class C3)

Commercial, business, service to Resi Three Rivers
16 Sept 2026 Pending Consideration 26/1471/FUL

6 Sycamore Approach Croxley Green Rickmansworth Hertfordshire WD3 3TN

Demolition of existing garage and front entry porch; construction of a single storey front, side and rear extensions; internal alterations; alteration...

Full Application Three Rivers
16 Sept 2026 Pending Consideration 26/1426/FUL

7 Heron Close Rickmansworth Hertfordshire WD3 1NF

Construction of single storey side and rear extensions

Full Application Three Rivers
15 Sept 2026 Pending Consideration 26/1434/FUL

70 Berry Lane Mill End Rickmansworth Hertfordshire WD3 4DD

Demolition of existing garage and erection of a single storey front extension and a part single, part two storey side extension

Full Application Three Rivers
15 Sept 2026 Approved 9 Oct 26/1461/CLPD

121 Baldwins Lane Croxley Green Rickmansworth Hertfordshire WD3 3LT

Certificate of Lawfulness Proposed Development: Construction of rear dormer and conversion of garage/store into habitable accommodation

Certificate of Lawfulness - Proposed Use Three Rivers
15 Sept 2026 Pending Consideration 26/1464/DIS

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

Discharge of Conditions 3 (Materials), Condition 4 (Construction Method Statement), and Condition 5 (Hard and Soft Landscaping) pursuant to planning p...

Discharge of Conditions Three Rivers
11 Sept 2026 Pending Consideration 26/1369/FUL

13 Windmill Drive Croxley Green Rickmansworth Hertfordshire WD3 3FF

Construction of a single storey side extension

Full Application Three Rivers
11 Sept 2026 Approved 5 Oct 26/1449/TCA

110 Ebury Road Rickmansworth Hertfordshire WD3 1BN

Tree Number - T1 Tree Type - Cherry (Prunus) Approx. Diameter at 1.5m - 0.3m Approx. Height - 5m Approx. Crown Spread Diameter - 5m Service - Crown Re...

Works to trees in a conservation area Three Rivers
10 Sept 2026 Pending Consideration 26/1429/CLED

Batchill Batchworth Hill Rickmansworth Hertfordshire WD3 1JP

Certificate of Lawfulness Existing Development: Construction of new boundary wall

Certificate of Lawfulness - Existing Use Three Rivers
10 Sept 2026 Pending Consideration 26/1421/CLPD

57 Winton Drive Croxley Green Rickmansworth Hertfordshire WD3 3RB

Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable extension, rear dormer and front rooflights and installation of...

Certificate of Lawfulness - Proposed Use Three Rivers
10 Sept 2026 Pending Consideration 26/1430/RSP

Batchill Batchworth Hill Rickmansworth Hertfordshire WD3 1JP

Part Retrospective: Construction of an outbuilding

Retrospective application Three Rivers
10 Sept 2026 Refused 30 Sep 26/1388/TPO

24 Windmill Drive Croxley Green Rickmansworth Hertfordshire WD3 3FD

Walnut Tree (017)- crown reduce by 4-5m, need to be cut back as overhanging driveway and nearly touching house and neighbour's

Works to trees covered by a Tree Pres O Three Rivers
10 Sept 2026 Approved 30 Sep 26/1417/TCA

25 Cedars Avenue Rickmansworth Hertfordshire WD3 7AW

Willow Trees T1 and T2 - Reduce two Willow trees in back garden by pollarding 40 - 60% of the larger regrowth from the most recent pollard points, and...

Works to trees in a conservation area Three Rivers
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Data updated daily. Source: Three Rivers and Hertfordshire County Council planning portals.