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Planning applications in WD18

We hold 318 planning applications for the WD18 postcode area, 156 of them submitted in the past year. 89% of decided applications here were approved. A decision typically takes 47 days. The area is covered by Watford, Three Rivers.

318
applications held
156
in the past year
89%
approved
47 days
median decision

Towns and villages in WD18

Councils covering WD18

Watford (286)Three Rivers (32)

Recent applications in WD18

Pending
22 Sept 202626/00743/TCA · Received: Tue 22 Sep 2026 · Validated: Tue 22 Sep 2026
11 Rickmansworth Road Watford WD18 0JEWatford

Works to trees in conservation area T1 - Ash - Clear from building by 2-3m and remove major deadwood. T2 - Cypress - Remove - Reason - Dead tree.T3 - Cypress - Lift crown height to 2.5m to allow for parking beneath tree. T4 - Ash - Remove to 1.5m - Dead. G1 - Remove major deadwood and girdle Ivy from twin stemmed Ash. Clear to ground level remaining group including 3 x dead Cherries, 1 x dead Ash and group of Laurel stems. T5 - Purple Plum - Clear footwear to 2.5m height street furniture and buildings by 1m clearance and balance remaining crown.

Pending
22 Sept 202626/00743/TCA · Received: Tue 22 Sep 2026 · Validated: Tue 22 Sep 2026
11 Rickmansworth Road Watford WD18 0JEWatford

Works to trees in conservation area T1 - Ash - Clear from building by 2-3m and remove major deadwood. T2 - Cypress - Remove - Reason - Dead tree.T3 - Cypress - Lift crown height to 2.5m to allow for parking beneath tree. T4 - Ash - Remove to 1.5m - Dead. G1 - Remove major deadwood and girdle Ivy from twin stemmed Ash. Clear to ground level remaining group including 3 x dead Cherries, 1 x dead Ash and group of Laurel stems. T5 - Purple Plum - Clear footwear to 2.5m height street furniture and buildings by 1m clearance and balance remaining crown.

Pending
18 Sept 202626/1486/DIS · Received: Fri 18 Sep 2026 · Validated: Fri 18 Sep 2026
No 3 To 6 Wolsey Business Park Tolpits Lane Watford Hertfordshire WD18 9BLThree Rivers

Discharge of Condition 18 (Hard and soft landscaping scheme) pursuant to planning permission 24/1137/FUL

Pending
18 Sept 202626/1486/DIS · Received: Fri 18 Sep 2026 · Validated: Fri 18 Sep 2026
No 3 To 6 Wolsey Business Park Tolpits Lane Watford Hertfordshire WD18 9BLThree Rivers

Discharge of Condition 18 (Hard and soft landscaping scheme) pursuant to planning permission 24/1137/FUL

Pending
17 Sept 202626/00734/FULH · Received: Thu 17 Sep 2026 · Validated: Thu 17 Sep 2026
9 Observer Drive Watford WD18 7GRWatford

Garage conversion into habitable room

Pending
17 Sept 202626/1483/ADV · Received: Thu 17 Sep 2026 · Validated: Thu 17 Sep 2026
3 To 6 Wolsey Buisness Park Tolpits Lane Watford WD18 9BLThree Rivers

Advertisment Consent: Proposal of one illuminated totem sign and 32 illuminated fascia signs.

Pending
14 Sept 202626/00667/FULH · Received: Mon 24 Aug 2026 · Validated: Mon 14 Sep 2026
17 Shepherds Road Watford WD18 7HUWatford

Demolition of existing garden outbuildings and erection of new garden outbuilding

Pending
14 Sept 202626/00667/FULH · Received: Mon 24 Aug 2026 · Validated: Mon 14 Sep 2026
17 Shepherds Road Watford WD18 7HUWatford

Demolition of existing garden outbuildings and erection of new garden outbuilding

Pending
9 Sept 202626/00714/LDC · Received: Tue 08 Sep 2026 · Validated: Wed 09 Sep 2026
25 Westbury Road Watford Hertfordshire WD18 0DLWatford

Lawful development certificate for proposed loft conversion including rear dormer and x front rooflights

Pending
9 Sept 202626/00714/LDC · Received: Tue 08 Sep 2026 · Validated: Wed 09 Sep 2026
25 Westbury Road Watford Hertfordshire WD18 0DLWatford

Lawful development certificate for proposed loft conversion including rear dormer and x front rooflights

Pending
8 Sept 202626/00712/FULH · Received: Tue 08 Sep 2026 · Validated: Tue 08 Sep 2026
32 Gade Avenue Watford Hertfordshire WD18 7LGWatford

Erection of a single storey rear extension and internal alterations.

Pending
8 Sept 202626/00712/FULH · Received: Tue 08 Sep 2026 · Validated: Tue 08 Sep 2026
32 Gade Avenue Watford Hertfordshire WD18 7LGWatford

Erection of a single storey rear extension and internal alterations.

Pending
4 Sept 202626/00697/HPD · Received: Wed 02 Sep 2026 · Validated: Fri 04 Sep 2026
11 The Chase Watford WD18 7JQWatford

The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6m for which the maximum height would be 3.3m and for which the height of the eaves would be 2.8m

Pending
3 Sept 202626/00701/FUL · Received: Thu 03 Sep 2026 · Validated: Thu 03 Sep 2026
Penman Johnson Solicitors 5 George Street Watford Hertfordshire WD18 0SQWatford

Installation, to existing commercial building, of replacement fenestration and wall lights, 2 mechanical ventilation recovery units and 6 louvre outlet grilles, and external ceiling and associated led lighting to existing undercroft

Pending
3 Sept 202626/00701/FUL
Penman Johnson Solicitors 5 George Street Watford Hertfordshire WD18 0SQWatford

Installation, to existing commercial building, of replacement fenestration and wall lights, 2 mechanical ventilation recovery units and 6 louvre outlet grilles, and external ceiling and associated led lighting to existing undercroft

Pending
27 Aug 202626/00674/FULH
344 Hagden Lane Watford WD18 7SHWatford

Proposed double hip to gable loft conversion including rear dormer and x3 front roof lights

Pending
26 Aug 202626/00682/NONMAT
29 - 43 Sydney Road Watford WD18 7PZWatford

Non material amendment pursuant to planning permission 25/00817/VAR to change condition 27 wording to No less than 40% of the dwellings hereby approved shall be delivered to the requirements of M4(2) of the Building Regulations (2010) Access to and use of Buildings, Approved Document M (2015 as amended), Volume 1: Dwellings, M4 (2): Accessible and adaptable dwellings. The dwellings not required to be included in this condition are as follows:Block A1, units A1-3-01, A1-3-02, A1-4-01, A1-4-04, A1-6-01 and A1-6-02;Block A2, units A2-1-02, A2-1-03, A2-1-04, A2-8-01, A2-8-08, A2-10-01, A2-10-02, A2-10- 03 and A2-10-04;Block B, Units B-1-01, Unit B-1-02, Unit B-1-03, Unit B-1-04, Unit B-1-05, Unit B-1-06, Unit B-1-07 and Unit B-1-08; and Block C, Units C-1-01, C-1-02, C-1-03, C-1-04, C-1-05, C-1-06, C-1-07, C-1-09, C-5-04 and C5-05.

Pending
21 Aug 202626/00651/FULH · Received: Tue 18 Aug 2026 · Validated: Fri 21 Aug 2026
16 Charlock Way Watford Hertfordshire WD18 6JZWatford

Retrospective front porch and changes to front bay

Pending
21 Aug 202626/00651/FULH
16 Charlock Way Watford Hertfordshire WD18 6JZWatford

Retrospective front porch and changes to front bay

Pending
14 Aug 202626/00645/LDC · Received: Fri 14 Aug 2026 · Validated: Fri 14 Aug 2026
57 Vicarage Road Watford WD18 0DEWatford

Lawful development certificate for proposed change of use from a dwellinghouse (Use Class C3) to a small House in Multiple Occupation (Use Class C4) for occupation by up to six persons. No external alterations are proposed.

Pending
14 Aug 202626/00645/LDC
57 Vicarage Road Watford WD18 0DEWatford

Lawful development certificate for proposed change of use from a dwellinghouse (Use Class C3) to a small House in Multiple Occupation (Use Class C4) for occupation by up to six persons. No external alterations are proposed.

Pending
13 Aug 202626/00616/FUL
Van Monster 176 Rickmansworth Road Watford WD18 7JSWatford

Change of use from an existing Sui Generis motor vehicle sales use to a mixed Sui Generis motor trade use including vehicle sales, servicing, repairs, tyre fitting, vehicle washing and valeting, together with the enclosure of the existing forecourt canopy to provide additional internal floorspace.

Pending
12 Aug 202626/00634/LBC
1 Bedford Almshouses St Marys Close Watford WD18 0EQWatford

Listed Building Consent for removal of existing boxing, relocation of pipework and modifications to bathroom layout and reintroduction of the secondary boxing, main wall will not be affected.

Pending
12 Aug 202626/00630/FUL · Received: Wed 12 Aug 2026 · Validated: Wed 12 Aug 2026
81 Whippendell Road Watford WD18 7LYWatford

Proposed aluminium frame shopfront

Pending
12 Aug 202626/00631/ADV · Received: Wed 12 Aug 2026 · Validated: Wed 12 Aug 2026
81 Whippendell Road Watford WD18 7LYWatford

Consent to display an internally illuminated fascia and projecting signs and 1 non illuminated graphic panel.

Pending
12 Aug 202626/00631/ADV
81 Whippendell Road Watford WD18 7LYWatford

Consent to display an internally illuminated fascia and projecting signs and 1 non illuminated graphic panel.

Pending
12 Aug 202626/00630/FUL
81 Whippendell Road Watford WD18 7LYWatford

Proposed aluminium frame shopfront

Pending
10 Aug 202626/00617/AAPA
Hanover Court 85 - 87 King Georges Avenue Watford WD18 7QEWatford

Notification of prior approval for upward extension above existing block of flats to provide x3 new flats

Pending
Small
Lawful Development Certificate
7 Aug 202626/00614/LDC
64 Wiggenhall Road Watford WD18 0ALWatford

Lawful development certificate for proposed loft conversion including rear domer and x2 front rooflights

Pending
Small
Lawful Development Certificate
3 Aug 202626/00605/LDC
503 Whippendell Road Watford WD18 7QBWatford

Lawful Development Certificate for existing use of hip to gable loft conversion including rear dormer, roof extension and x2 front roof lights

Pending
Small
Householder Permitted Development
3 Aug 202626/00600/HPD
110A Liverpool Road Watford WD18 0DNWatford

The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6.00m for which the maximum height would be 3.00m and for which the height of the eaves would be 3.00m

Pending
29 Jul 202626/00587/HPD · Received: Wed 29 Jul 2026 · Validated: Wed 29 Jul 2026
43 York Road Watford Hertfordshire WD18 0BEWatford

The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 3.55m for which the maximum height would be 2.90m and for which the height of the eaves would be 2.60m (REVISED MEASUREMENTS)

Pending
Small
Householder Permitted Development
29 Jul 202626/00587/HPD
43 York Road Watford Hertfordshire WD18 0BEWatford

The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 3.55m for which the maximum height would be 2.90m and for which the height of the eaves would be 2.60m (REVISED MEASUREMENTS)

Pending
28 Jul 202626/00585/FULH · Received: Tue 28 Jul 2026 · Validated: Tue 28 Jul 2026
17 Gade Avenue Watford Hertfordshire WD18 7LQWatford

Erection of a single storey rear and side extension with internal alterations.

Pending
Small
Full householder
28 Jul 202626/00585/FULH
17 Gade Avenue Watford Hertfordshire WD18 7LQWatford

Erection of a single storey rear and side extension with internal alterations.

Pending
28 Jul 202626/00566/FULH
127 Hagden Lane Watford WD18 7SRWatford

Erection of a ground floor single storey side extension.

Pending
Small
Full householder
27 Jul 202626/00578/FULH
149 Rickmansworth Road Watford WD18 7FHWatford

Erection of a single storey side and dormer roof extension comprising of new side Dutch gable to match 149a Rickmansworth Road.

Pending
23 Jul 202626/1188/FUL
Unit 6, Unit 7 And Unit 8 Century Court Tolpits Lane Watford Hertfordshire WD18 9RSThree Rivers

Construction of three storey's to existing building; change of use of units 6 and 8 from Class E to Class C3; construction of 26 self-contained residential flats; associated parking, cycle and refuse storage, private and communal amenity space, and landscaping

Pending
Small
Full householder
22 Jul 202626/00564/FULH
344 Hagden Lane Watford WD18 7SHWatford

Erection of a single storey rear extension. Installing a Motorised Open Grilled Metal Gate along the boundary between the hardstanding and the adjacent public footpath and Installing a porch with a roof light.

Pending
22 Jul 202626/00564/FULH · Received: Wed 22 Jul 2026 · Validated: Wed 22 Jul 2026
344 Hagden Lane Watford WD18 7SHWatford

Erection of a single storey rear extension. Installing a Motorised Open Grilled Metal Gate along the boundary between the hardstanding and the adjacent public footpath and Installing a porch with a roof light.

Pending
17 Jul 202626/00548/FULH · Received: Fri 17 Jul 2026 · Validated: Fri 17 Jul 2026
105 Cassiobury Park Avenue Watford WD18 7LHWatford

Conversion of the existing garage to habitable use. Erection of a single storey side extension with a new hipped roof to the single storey side of the dwelling covering both the converted garage and the extension.

Pending
Small
Full householder
17 Jul 202626/00548/FULH
105 Cassiobury Park Avenue Watford WD18 7LHWatford

Conversion of the existing garage to habitable use. Erection of a single storey side extension with a new hipped roof to the single storey side of the dwelling covering both the converted garage and the extension.

Pending
16 Jul 202626/00546/HPD · Received: Thu 16 Jul 2026 · Validated: Thu 16 Jul 2026
84 Wiggenhall Road Watford WD18 0ALWatford

The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 3.80m for which the maximum height would be 2.90m and for which the height of the eaves would be 2.90m AMENDED PLANS

Pending
16 Jul 202626/00546/HPD
84 Wiggenhall Road Watford WD18 0ALWatford

The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 3.80m for which the maximum height would be 2.90m and for which the height of the eaves would be 2.90m

Pending
14 Jul 202626/00539/TPO5 · Received: Tue 14 Jul 2026 · Validated: Tue 14 Jul 2026
Chestnut Court Gade Close Watford Hertfordshire WD18 7JHWatford

Works to tree/s under TPO.93 - T2 Horse Chestnut - T3 diseased Horse Chestnut, reduce height by 50% due to dangerous large fallen branch

Pending
14 Jul 202626/00539/TPO5
Chestnut Court Gade Close Watford Hertfordshire WD18 7JHWatford

Works to tree/s under TPO.93 - T2 Horse Chestnut - T3 diseased Horse Chestnut, reduce height by 50% due to dangerous large fallen branch

Pending
9 Jul 2026`26/00524/ADV
Unit 1 Riverwell Square Shrodells Road Watford Hertfordshire WD18 0HAWatford

Consent to display three illuminated fascia signs and one illuminated projecting sign

Pending
9 Jul 202626/00521/LDC · Received: Thu 09 Jul 2026 · Validated: Thu 09 Jul 2026
124 Chester Road Watford Hertfordshire WD18 0REWatford

Lawful development certificate for proposed loft conversion including rear dormer and 2no. front rooflights

Pending
9 Jul 202626/00524/ADV · Received: Thu 09 Jul 2026 · Validated: Thu 09 Jul 2026
Unit 1 Riverwell Square Shrodells Road Watford Hertfordshire WD18 0HAWatford

Consent to display three illuminated fascia signs and one illuminated projecting sign

Pending
Small
Lawful Development Certificate
9 Jul 202626/00521/LDC
124 Chester Road Watford Hertfordshire WD18 0REWatford

Lawful development certificate for proposed loft conversion including rear dormer and 2no. front rooflights