Planning applications in Watford
111 Cassiobury Park Avenue Watford WD18 7LH
Erection of single storey rear extension with roof light
4 Meadowbank Watford WD19 4NP
Erection of two storey side and rear extension and first floor front extension, conversion of single storey front conservatory into infill constructio...
132 High Road Watford WD25 7AT
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...
45 Chilcott Road Watford Hertfordshire WD24 5LF
Erection of single storey rear extension
40 Jubilee Road Watford Hertfordshire WD24 5HH
Lawfal development certificate for proposed demolition of existing conservatory and erection of 3m single storey extension. Eaves height 3m and maximu...
9 Sheepcot Drive Watford WD25 0DZ
Erection of two storey, part single storey rear extension
1 Sixth Avenue Watford WD25 9QA
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...
48 Leaford Crescent Watford WD24 5JG
Erection of single story wrap around extension
22 Northfield Gardens Watford WD24 7RE
Erection of single storey rear extension, loft conversion and internal alterations
62 Hazel Tree Road Watford Hertfordshire WD24 6RQ
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 ...
24 Kingswood Road Watford Hertfordshire WD25 0EE
Erection of single storey front, rear and double storey side extensions and new driveway
21 Northfield Gardens Watford WD24 7RF
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...
100 Langley Way Watford WD17 3EE
Lawful development certificate for proposed conversion of existing garage as a habitable garden room
28 Rother Close Watford WD25 0DW
Removal of the existing conservatory. The erection of a single storey rear extension which would extend beyond the rear wall of the original house by ...
201 Hempstead Road Watford WD17 3HG
Proposed hip to gable loft conversion including front and rear dormers and x2 front rooflights and fenestration changes
114 Cassiobury Park Avenue Watford WD18 7LF
Erection of front porch and single storey side to rear extension, part first floor rear extension (prior approval not required for ground floor extens...
163 Newhouse Crescent Watford WD25 7JA
Lawful development certificate for new 4 metre bi-folding door to replace existing 2.2 meter patio door
93 Woodland Drive Watford WD17 3LA
Erection of single-storey rear and side extension and front porch following demolition of the existing rear extension and garden shed
137 High Road Watford WD25 7AP
Lawful development certificate for proposed loft conversion including rear dormer and x2 front rooflights
5 Greenwood Drive Watford Hertfordshire WD25 0HS
The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 3.70m for which the maximum height wou...
2 Gade Avenue Watford Hertfordshire WD18 7LG
Erection of a double and single store front and side extension
90 Sheepcot Lane Watford WD25 0EB
Erection of a single storey rear extension, part demolition, part reconstruction and part new addition. Overall lengh and height of existing addition ...
64 Hazel Tree Road Watford Hertfordshire WD24 6RQ
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...
17 Nascot Wood Road Watford WD17 4SE
Erection of single storey front and rear extensions following demolishing of existing rear conservatory
79 Sandringham Road Watford WD24 7BD
Erection of a hip-togable roof extension with a rear dormer with x4 front roof lights and conversion of existing garage into a utility room
139 Balmoral Road Watford WD24 4HA
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...
17 Nascot Wood Road Watford WD17 4SE
Lawful Development Certificate for loft conversion with rear dormer and front roof lights.
16 Ridgehurst Avenue Leavesden Watford Hertfordshire WD25 7AY
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...
62 Hazel Tree Road Watford Hertfordshire WD24 6RQ
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...
26 Villiers Road Watford WD19 4AH
Erection of a single storey extension following demolition of the existing canopy structure
43 Maytree Crescent Watford WD24 5NJ
Lawful Development Certificate for proposed hip to gable loft conversion including rear dormer and 3 x front roof lights
49 Leaford Crescent Watford WD24 5JQ
Erection of a single storey side and rear extension and new entrance porch, following demolition of existing garage building and store
34 Stanbury Avenue Watford WD17 3HW
Erection of a double storey side extension front porch and proposed drop kerb, demolition of existing garage
465 Whippendell Road Watford WD18 7PS
The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 5.00m for which the maximum height wou...
11 Norfolk Avenue Watford WD24 7DZ
Lawful Development Certificate for proposed hip to gable loft conversion including rear dormer and x 3 front roof lights
114 Cassiobury Park Avenue Watford WD18 7LF
Erection of front porch and single storey side to rear extension
2 Nascot Street Watford WD17 4RB
Installation of a loft conversion to provide habitable accommodation with two rear dormer windows
178 Balmoral Road Watford WD24 4EY
Lawful Development Certificate for hip to gable loft conversion with rear dormer and 2 front roof lights
9 Norbury Avenue Watford WD24 4PL
Erection of a ground floor rear extension.
64 Beechwood Rise Watford Hertfordshire WD24 6SG
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...
19 Rother Close Watford WD25 0DW
Erection of a single storey rear and side extension, front porch and associated alterations
38 Cassiobridge Road Watford WD18 7QL
The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 3.00m for which the maximum height wou...
55 Tudor Walk Watford Hertfordshire WD24 7NY
Erection of a single storey rear extension.
10 Berceau Walk Watford Hertfordshire WD17 3BL
Lawful development certificate for proposed hip to gable loft conversion including rear dormer
26 Diamond Road Watford Hertfordshire WD24 5EW
Demolition of existing conservatory and erection of single storey rear extension
52A Gade Avenue Watford Hertfordshire WD18 7LG
Erection of a single storey ground floor extension in brick with flat roof above. New roof design with front gable and rear dormer. Proposal to raise ...
65 Kings Avenue Watford Hertfordshire WD18 7SB
Lawful Development Certficiate for proposed single storey rear extension
40 Denmark Street Watford WD17 4RA
Removal of existing rear elevation wooden framed ground floor window for proposed smaller UPVC window
64 Beechwood Rise Watford Hertfordshire WD24 6SG
Lawful development certificate for proposed hip to gable loft conversion including rear dormer and x 1 front roof light
91 Westfield Avenue Watford Hertfordshire WD24 7HF
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...
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Data updated 7 May 2026. Source: Watford planning portal.