Planning Applications in WD18

Planning authorities: Watford Borough Council, Three Rivers District Council

Search current and historic planning applications in the WD18 postcode district across Watford and Three Rivers - 47 in the last 90 days. Filter applications by date, status, development type, or number of homes, view them on the map, or create a free alert for new applications.

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Showing 47 of 47 applications
9 Sept 2026 Pending 26/00714/LDC

25 Westbury Road Watford Hertfordshire WD18 0DL

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

Lawful Development Certificate Watford
8 Sept 2026 Pending 26/00712/FULH

32 Gade Avenue Watford Hertfordshire WD18 7LG

Erection of a single storey rear extension and internal alterations.

Watford
4 Sept 2026 Pending 26/00697/HPD

11 The Chase Watford WD18 7JQ

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 ...

Householder Permitted Development Watford
3 Sept 2026 Pending consideration 26/00701/FUL

Penman Johnson Solicitors 5 George Street Watford Hertfordshire WD18 0SQ

Installation, to existing commercial building, of replacement fenestration and wall lights, 2 mechanical ventilation recovery units and 6 louvre outle...

Full Planning Permission Watford
27 Aug 2026 Pending consideration 26/00674/FULH

344 Hagden Lane Watford WD18 7SH

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

Full householder Watford
26 Aug 2026 Pending consideration 26/00682/NONMAT

29 - 43 Sydney Road Watford WD18 7PZ

Non material amendment pursuant to planning permission 25/00817/VAR to change condition 27 wording to No less than 40% of the dwellings hereby approve...

Non-material amendment of PP Watford
21 Aug 2026 Pending consideration 26/00651/FULH

16 Charlock Way Watford Hertfordshire WD18 6JZ

Retrospective front porch and changes to front bay

Full householder Watford
20 Aug 2026 Pending Consideration 26/1188/FUL

Unit 6, Unit 7 And Unit 8 Century Court Tolpits Lane Watford Hertfordshire WD18 9RS

Construction of three storeys to existing building; change of use of units 6 and 8 from Class E to Class C3; construction of 26 self-contained residen...

Full Application Three Rivers
14 Aug 2026 Pending consideration 26/00645/LDC

57 Vicarage Road Watford WD18 0DE

Lawful development certificate for proposed change of use from a dwellinghouse (Use Class C3) to a small House in Multiple Occupation (Use Class C4) f...

Lawful Development Certificate Watford
13 Aug 2026 Pending consideration 26/00616/FUL

Van Monster 176 Rickmansworth Road Watford WD18 7JS

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,...

Full Planning Permission Watford
12 Aug 2026 Pending consideration 26/00631/ADV

81 Whippendell Road Watford WD18 7LY

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

Advert Application Watford
12 Aug 2026 Pending consideration 26/00630/FUL

81 Whippendell Road Watford WD18 7LY

Proposed aluminium frame shopfront

Watford
10 Aug 2026 Pending consideration 26/00617/AAPA

Hanover Court 85 - 87 King Georges Avenue Watford WD18 7QE

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

Prior Approval detached buildings Watford
7 Aug 2026 Pending consideration 26/00614/LDC

64 Wiggenhall Road Watford WD18 0AL

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

Lawful Development Certificate Watford
3 Aug 2026 Approved 26/00605/LDC

503 Whippendell Road Watford WD18 7QB

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

Lawful Development Certificate Watford
3 Aug 2026 Decided 26/00600/HPD

110A Liverpool Road Watford WD18 0DN

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 wou...

Householder Permitted Development Watford
29 Jul 2026 Decided 26/00587/HPD

43 York Road Watford Hertfordshire WD18 0BE

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 wou...

Householder Permitted Development Watford
28 Jul 2026 Pending consideration 26/00566/FULH

127 Hagden Lane Watford WD18 7SR

Erection of a ground floor single storey side extension.

Full householder Watford
28 Jul 2026 Pending Decision 26/00585/FULH

17 Gade Avenue Watford Hertfordshire WD18 7LQ

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

Full householder Watford
27 Jul 2026 Pending consideration 26/00578/FULH

149 Rickmansworth Road Watford WD18 7FH

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

Full householder Watford
23 Jul 2026 Pending Consideration 26/1162/CLED

Land Adjacent To Railway Line North Of Tolpits Lane Watford Hertfordshire

Certificate of Lawfulness Existing Use: Use of land for skip storage (Use Class B8).

Certificate of Lawfulness - Existing Use Three Rivers
22 Jul 2026 Pending consideration 26/00564/FULH

344 Hagden Lane Watford WD18 7SH

Erection of a single storey rear extension. Installing a Motorised Open Grilled Metal Gate along the boundary between the hardstanding and the adjacen...

Full householder Watford
17 Jul 2026 Pending consideration 26/00548/FULH

105 Cassiobury Park Avenue Watford WD18 7LH

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...

Full householder Watford
16 Jul 2026 Approved 26/00546/HPD

84 Wiggenhall Road Watford WD18 0AL

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 wou...

Householder Permitted Development Watford
15 Jul 2026 Approved 26/00523/FUL

Unit 1 Riverwell Square Shrodells Road Watford Hertfordshire WD18 0HA

Proposed installation of fixed outdoor street furniture seating area including, tables and bench seating

Full Planning Permission Watford
14 Jul 2026 Refused 26/00464/LDC

York House 26 - 30 Rickmansworth Road Watford WD18 7HT

Lawful development certificate for proposed loft conversion including rear dormer and single storey extension

Lawful Development Certificate Watford
14 Jul 2026 Approved 26/00539/TPO5

Chestnut Court Gade Close Watford Hertfordshire WD18 7JH

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

5 day notice - works to trees with TPO Watford
9 Jul 2026 Approved `26/00524/ADV

Unit 1 Riverwell Square Shrodells Road Watford Hertfordshire WD18 0HA

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

Advert Application Watford
9 Jul 2026 Approved 26/00521/LDC

124 Chester Road Watford Hertfordshire WD18 0RE

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

Lawful Development Certificate Watford
9 Jul 2026 Approved 26/00524/ADV

Unit 1 Riverwell Square Shrodells Road Watford Hertfordshire WD18 0HA

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

Advert Application Watford
8 Jul 2026 Approved 26/00520/TPO

13 Shepherds Road Watford WD18 7HU

Works to trees under Group TPO.No.277 - Ash - reduce height by up to 2.5m and lateral spread on all sides up to 2m, remove lowest limbs back to main s...

Works to Preserved Trees Watford
6 Jul 2026 Decided 26/00513/DISCON

Safestore UK Thomas Sawyer Way Watford Hertfordshire WD18 0LZ

Details submitted for Condition 19. (external plant) pursuant to planning permission 23/00626/FULM

Discharge of conditions Watford
2 Jul 2026 Approved 26/00508/TCA

35 Granville Road Watford WD18 0AH

Works to tree/s in conservation area - remove Ornamental Lawson Cypress (outgrown site area and in direct contact with building elevation), remove Com...

Works to Trees in Conservation Areas Watford
1 Jul 2026 Pending consideration 26/00500/FULM

Watford General Hospital Vicarage Road Watford WD18 0HB

Retrospective planning application for a three-storey Pathology and Mortuary Building at Watford General Hospital.

Major Full Planning Permission Watford
1 Jul 2026 Pending consideration 26/00500/FUL

Watford General Hospital Vicarage Road Watford WD18 0HB

Retrospective planning application for a three-storey Pathology and Mortuary Building at Watford General Hospital.

Major Full Planning Permission Watford
1 Jul 2026 Decided 26/00505/HPD

107 Wiggenhall Road Watford WD18 0HS

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 wou...

Householder Permitted Development Watford
1 Jul 2026 Decided 26/00499/DISCON

Watford General Hospital Vicarage Road Watford WD18 0HB

Details submitted for Condition 12 (bat survey) pursuant to planning permission 21/00765/OUTM, 24/00870/DISCON

Discharge of conditions Watford
29 Jun 2026 Pending consideration 26/00480/FULH

23 Shepherds Road Watford WD18 7HU

Erection of a ground and first floor extensions, loft conversion with dormer and roof lights and frameless glass link.

Full householder Watford
29 Jun 2026 Approved 26/00490/LDC

93 Whippendell Road Watford WD18 7NH

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

Lawful Development Certificate Watford
29 Jun 2026 Refused 26/00076/FUL

84 Whippendell Road Watford WD18 7LR

Conversion of rear part of shop and basement to a one bedroom flat with a light-well to the front and new windows to the side.

Full Planning Permission Watford
26 Jun 2026 Refused 26/00476/LDC

16 Charlock Way Watford Hertfordshire WD18 6JZ

Lawful Development Certificate for existing and retention of front porch.

Lawful Development Certificate Watford
26 Jun 2026 Approved 26/00485/LDC

Shrodells Unit Watford General Hospital Vicarage Road Watford WD18 0HB

Lawful development certificate for proposed single storey extension to Shrodells Unit

Lawful Development Certificate Watford
26 Jun 2026 Refused 26/00486/LDC

York House 26 - 30 Rickmansworth Road Watford WD18 7HT

Lawful development certificate for proposed erection of single storey rear extension and porch

Lawful Development Certificate Watford
24 Jun 2026 Approved 26/00469/FULH

2 Gade Avenue Watford Hertfordshire WD18 7LG

Erection of a double and single storey front and side extensions.

Full householder Watford
16 Jun 2026 Approved 26/00454/CTR

41A Market Street Watford WD18 0PN

Notification of permitted development (Class MA) Change of Use from Use Class E Commercial, business and services (g)(i) an office to carry out any op...

Comm. COU to Dwelling Prior App Watford
16 Jun 2026 Approved 26/00466/LDC

18 King Georges Avenue Watford WD18 7QD

Lawful Development Certificate for conversion of roof space to habitable use to include rear dormer and three front roof lights

Lawful Development Certificate Watford
15 Jun 2026 Refused 26/00425/FULH

498 Whippendell Road Watford WD18 7QJ

Erection of a double storey wrap around extension.

Full householder Watford
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Data updated daily. Source: Watford and Three Rivers planning portals.