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
- Granted As published: 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.
Watch members (£5 a month) open the document list 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 0.3 miles
-
13 Whippendell Road Watford WD18 7LY
Change the property from a 6 bedroom HMO to a 7 bedroom HMO
Granted 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 -
52 Addiscombe Road Watford WD18 0NB
Erection of a first floor rear extension.
Refused Householder Extension 14 docsDomestic -
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
Other lawful development applications
In Watford
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26/00740/LDC Granted
344 Hagden Lane Watford WD18 7SH
Lawful development certificate for proposed erection of outbuilding (12mx5m) at the South-West corner of the rear garden
-
26/00763/LDC Awaiting decision
134 Balmoral Road Watford WD24 4ET
Lawful Development Certificate for proposed hip to gable loft conversion including rear dormer and x2 front roof lights.
-
26/00755/LDC Awaiting decision
498 Whippendell Road Watford WD18 7QJ
Lawful Development Certificate for a loft conversion with rear dormer window.
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26/00579/LDC Refused
37 Harford Drive Watford Hertfordshire WD17 3DQ
Lawful development certificate for proposed erection of garden outbuilding for storage/office use and alterations to existing front porch
-
26/00618/LDC Granted
8 Woodhurst Avenue Watford WD25 9RQ
Lawful Development Certificate for a hip-to-gable roof extension and rear dormer to facilitate a loft conversion, including associated roof alterations and windows/roof lights.