Planning application
26/00548/FULH
105 Cassiobury Park Avenue Watford WD18 7LH
Proposal
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 dwelling covering both the converted garage and the extension.
As published by the council, reference 26/00548/FULH
Timeline
Dates from the published record
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17 Jul 2026
Received by Watford
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24 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Watford for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About householder applications
How this application type works
Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.
Nearby applications
Within 500 metres
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26/00346/FULH Decided
111 Cassiobury Park Avenue Watford WD18 7LH
Erection of single storey rear extension with roof light
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23/00984/HPD Granted
94 Cassiobury Park Avenue Watford WD18 7LF
The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 5.0m for which the maximum height would be 4.0m and for which the height of the eaves would be 2.40m
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22/00456/LDC Granted
88 Cassiobury Park Avenue Watford Hertfordshire WD18 7LF
Lawful development certificate of proposed erection of single storey side extension on existing detached garage
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20/00836/LDC Granted
2 Swiss Avenue Watford WD18 7LN
Lawful development certificate for hip to gable loft conversion, including rear dormer and front roof light
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26/00438/FULH Awaiting decision
14 Swiss Avenue Watford WD18 7LN
Erection of single storey part rear and part side extension
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26/00396/LDC Granted
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
Other householder applications
In Watford
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26/00582/FULH Awaiting decision
23 Westlea Avenue Watford WD25 9DH
Erection of single story side extension and front porch extension
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26/00578/FULH Awaiting decision
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.
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26/00576/FULH Awaiting decision
86 Fourth Avenue Watford Hertfordshire WD25 9QQ
(Retrospective) Erection of a single-storey outbuilding with a flat roof. The maximum overall height of the building is 2,850 mm.
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26/00449/FULH Refused
61 Park Road Watford WD17 4QJ
Erection of a first-floor extension over the existing flat roof (incorporating the scheme previously approved under ref: 26/00051/VAR) alongside a new loft conversion to provide additional habitable accommodation
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26/00413/FULH Decided
48 Meadow Road Watford WD25 0JA
Erection of a single storey side extension.