Planning application
15 Whippendell Road Watford WD18 7LY
Works: Extension Loft or dormer Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Change of use from a single dwellinghouse (Class C3) to a House of Multiple Occupation (Class C4) 6 bed; loft conversion with the erection of two dormers; erection of single storey rear extension
As published by the council, reference 26/00073/LDC
Application record
- Reference
- 26/00073/LDC
- Type
- Lawful Development Certificate
- Status
- Approved
- Decision
- Grant Lawful Development Certificate
- Received
- 3 Feb 2026
- Validated
- 6 Feb 2026
- Decided
- 24 Apr 2026
- Ward
- Vicarage
- Decision by
- Delegated Decision
- Postcode
- WD18 7LY
Timeline
Dates from the published record
-
3 Feb 2026
Received by Watford
-
6 Feb 2026
Validated
Checked as complete and ready for consideration.
-
24 Apr 2026
Decision issued: Grant Lawful Development Certificate
-
9 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
13 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Watford granted permission on 24 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
13 Whippendell Road Watford WD18 7LY
Change the property from a 6 bedroom HMO to a 7 bedroom HMO
Decided Full applications 11 docs -
11 Whippendell Road Watford WD18 7LY
Lawful development certificate for existing use 6 bed HMO to large HMO for up to 7 single occupancy households
Refused Lawful development 9 docs -
28 Chester Road Watford Hertfordshire WD18 0RQ
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 3m and for which the height of the eaves would be 2.8m
Granted Prior approval Extension 9 docsSmall domestic -
38 Addiscombe Road Watford WD18 0ND
The erection of a single storey rear extensions which would extend beyond the rear wall of the original house by 4.5m and 6m for which the maximum height would be 2.8m and for which the height of the eaves would be 2.6m
Granted Prior approval Extension 4 docsSmall domestic -
36 Addiscombe Road Watford WD18 0ND
Lawful Development Certificate for a single story rear extension.
Refused Lawful development Extension 5 docs -
36 Addiscombe Road Watford Herts WD18 0ND
The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 4.0m for which the maximum height would be 3.4m and for which the height of the eaves would be 3.4m
Refused Prior approval Extension 4 docsSmall domestic
Other lawful development applications
In Watford
-
26/00700/LDC Awaiting decision
13 Orchard Close Watford WD17 3DU
Lawful Development Certificate for a hip to gable loft conversion with three skylights on the front slope.
-
26/00494/LDC Refused
204A St Albans Road Watford WD24 4AS
Lawful development certificate for existing use of the first and second floors as two separate self-contained residential dwellings (Use Class C3), each comprising independent living accommodation, kitchen facilities, bathroom facilities and ancillary storage, with access provided via the existing external rear staircase
-
26/00531/LDC Granted
1014 St Albans Road Watford WD25 9NP
Lawful development certificate for proposed hip to gable roof extension and loft conversion
-
26/00549/LDC Granted
4 Field Road Watford WD19 4DR
Lawful Development Certificate to replace single storey rear extension.
-
26/00659/LDC Awaiting decision
38 Talbot Avenue Watford WD19 4AX
Lawful development certificate for proposed demolition of existing rear extension and erection of single storey rear extension