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 - 44 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 44 of 44 applications
26/00564/FULH 22 Jul 2026 Pending consideration

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 22 Jul 2026
26/00548/FULH 17 Jul 2026 Pending consideration

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 17 Jul 2026
26/1162/CLED 17 Jul 2026 Pending Consideration

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 17 Jul 2026
26/00546/HPD 16 Jul 2026 Pending

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...

Watford 16 Jul 2026
26/00539/TPO5 14 Jul 2026 Approved

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 14 Jul 2026
26/00521/LDC 9 Jul 2026 Pending

124 Chester Road Watford Hertfordshire WD18 0RE

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

Watford 9 Jul 2026
26/00523/FUL 9 Jul 2026 Pending

Unit 1 Riverwell Square Shrodells Road Watford Hertfordshire WD18 0HA

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

Watford 9 Jul 2026
26/00524/ADV 9 Jul 2026 Pending consideration

Unit 1 Riverwell Square Shrodells Road Watford Hertfordshire WD18 0HA

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

Watford 9 Jul 2026
`26/00524/ADV 9 Jul 2026 Pending consideration

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
26/00520/TPO 8 Jul 2026 Pending consideration

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...

Watford 8 Jul 2026
26/00508/TCA 2 Jul 2026 Pending consideration

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 2 Jul 2026
26/00499/DISCON 1 Jul 2026 Decided

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 1 Jul 2026
26/00500/FUL 1 Jul 2026 Pending consideration

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
26/00500/FULM 1 Jul 2026 Pending consideration

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
26/00505/HPD 1 Jul 2026 Pending consideration

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
26/00490/LDC 29 Jun 2026 Pending consideration

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
26/00485/LDC 26 Jun 2026 Approved

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
26/00486/LDC 26 Jun 2026 Pending consideration

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 26 Jun 2026
26/00480/FULH 25 Jun 2026 Pending consideration

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 25 Jun 2026
26/00476/LDC 24 Jun 2026 Pending consideration

16 Charlock Way Watford Hertfordshire WD18 6JZ

Lawful Development Certificate for existing and retention of front porch.

Lawful Development Certificate Watford 24 Jun 2026
26/00469/FULH 19 Jun 2026 Pending consideration

2 Gade Avenue Watford Hertfordshire WD18 7LG

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

Full householder Watford 19 Jun 2026
26/00464/LDC 18 Jun 2026 Pending consideration

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 18 Jun 2026
26/00454/CTR 16 Jun 2026 Pending consideration

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
26/00466/LDC 16 Jun 2026 Pending

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 16 Jun 2026
26/00441/LDC 11 Jun 2026 Approved

56 Wilmington Close Watford WD18 0AF

Lawful Development Certificate for proposed remedial works to building.

Lawful Development Certificate Watford 11 Jun 2026
26/00443/FULH 11 Jun 2026 Pending consideration

71 Princes Avenue Watford WD18 7RR

Erection of single story side and rear extension, conversion of loft into habitable space including rear dormer and x2 front roof lights and x1 side d...

Full householder Watford 11 Jun 2026
26/00438/FULH 10 Jun 2026 Pending consideration

14 Swiss Avenue Watford WD18 7LN

Erection of single storey part rear and part side extension

Full householder Watford 10 Jun 2026
26/00431/FUL 9 Jun 2026 Pending consideration

1 - 3 Euston Avenue Watford Hertfordshire WD18 7SZ

Change of use of from Single Maisonette with internal alterations to provide 2 x 1 Bedroom residential units (Class C3) with associated bin and bike s...

Full Planning Permission Watford 9 Jun 2026
26/00424/DISCON 8 Jun 2026 Pending consideration

Park House 15 - 19 Greenhill Crescent Watford WD18 8PH

Details submitted for Condition 14. (construction management plan) pursuant to planning permission 24/00612/FULM

Discharge of conditions Watford 8 Jun 2026
26/00425/FULH 8 Jun 2026 Pending consideration

498 Whippendell Road Watford WD18 7QJ

Erection of a double storey wrap around extension.

Full householder Watford 8 Jun 2026
26/00421/DISCON 5 Jun 2026 Decided

Park House 15 - 19 Greenhill Crescent Watford WD18 8PH

Details submitted for Condition 19. (Method Statement tree protection) pursuant to planning permission 24/00612/FULM

Discharge of conditions Watford 5 Jun 2026
26/00418/DISCON 4 Jun 2026 Pending consideration

Watford Girls Grammar School Ladys Close Watford Hertfordshire WD18 0AE

Details submitted for Condition 9 (Materials) pursuant to planning permission 23/00542/FUL - WGSG External Materials Schedule Condition 9.

Discharge of conditions Watford 4 Jun 2026
26/00414/ADV 3 Jun 2026 Approved

St Marys Church Church Street Watford WD18 0EG

Consent to display three non illuminated signs with details of parking enforcement for non approved vehicles on private forecourt.

Advert Application Watford 3 Jun 2026
26/00411/TPO 2 Jun 2026 Approved

201 Hagden Lane Watford WD18 7SN

Works to trees under TPO 248 Sycamore (T2) - Fell tree to ground level and remove stump and principal roots to allow driveway on property that is not ...

Works to Preserved Trees Watford 2 Jun 2026
26/00396/LDC 27 May 2026 Approved

14 Swiss Avenue Watford WD18 7LN

Lawful Development Certificate for proposed loft conversion including rear dormer extension, two rear-facing windows and x3 front rooflights

Lawful Development Certificate Watford 27 May 2026
26/00395/ADV 26 May 2026 Approved

30 Market Street Watford WD18 0PY

Advertisement consent for the display of one internally illuminated fascia sign and one internally illuminated projecting sign (retrospective)

Advert Application Watford 26 May 2026
26/00389/HPD 20 May 2026 Decided

23 Charlock Way Watford Hertfordshire WD18 6JY

The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 5.5m for which the maximum height woul...

Householder Permitted Development Watford 20 May 2026
26/00384/FUL 19 May 2026 Pending consideration

Morrisons Ascot Road Watford WD18 8AA

Erection of jet wash bays, plant room, air and vacuum units, and associated forecourt works

Full Planning Permission Watford 19 May 2026
26/00376/FUL 18 May 2026 Refused

Sami Auto Centre 177A Whippendell Road Watford WD18 7NH

Erection of extensions and alterations to vehicle repair workshop

Full Planning Permission Watford 18 May 2026
26/00354/FUL 8 May 2026 Approved

14 Francis Road Watford Hertfordshire WD18 0QE

Change of use from residential care home (Class C2), to House in Multiple Occupation (Class C4)

Full Planning Permission Watford 8 May 2026
26/00355/ADV 8 May 2026 Approved

Travelodge Riverwell Square Shrodells Road Watford Hertfordshire WD18 0HA

Consent to display internally illuminated 1x double sided totem sign, 4x sets of individual letters and logos, 2x entrance signs, 6x set of feature li...

Advert Application Watford 8 May 2026
26/00357/HPD 8 May 2026 Decided

89 Hagden Lane Watford WD18 7UA

The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6.0m for which the maximum height woul...

Householder Permitted Development Watford 8 May 2026
26/00346/FULH 5 May 2026 Approved

111 Cassiobury Park Avenue Watford WD18 7LH

Erection of single storey rear extension with roof light

Full householder Watford 5 May 2026
26/00076/FUL 4 Feb 2026 Pending

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 4 Feb 2026
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Data updated daily. Source: Watford and Three Rivers planning portals.