Planning application
26/0928/CLPD
50 Harthall Lane Kings Langley Hertfordshire WD4 8JH
Proposal
Certificate of Lawfulness Proposed Development: Stationing of mobile home for ancillary residential use as annexe
As published by the council, reference 26/0928/CLPD
Timeline
Dates from the published record
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8 Jun 2026
Received by Three Rivers
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10 Jun 2026
Validated
Checked as complete and ready for consideration.
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24 Jul 2026
Added to PlanIndex
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30 Jul 2026
Status changed to Awaiting decision
Previously Pending Consideration.
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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 Three Rivers 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 lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
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22/0729/FUL Withdrawn
Highfields 46 Harthall Lane Kings Langley Hertfordshire WD4 8JH
Single storey front, side and rear extensions with a sedum roof which forms into terraced garden; construction of a vestibule to the front and a garage conversion; two storey rear extension with side and front dormers and roof lights
-
22/0551/CLPD Granted
54 Harthall Lane Kings Langley Hertfordshire WD4 8JH
Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer window and rooflight to front roofslope.
-
23/2010/CLPD Refused
Old Farm Harthall Lane Kings Langley Hertfordshire WD4 8JW
Certificate of Lawfulness Proposed Development: Construction of single storey side and rear extension; erection of outbuilding.
-
22/0404/CLPD Refused
Old Farm Harthall Lane Kings Langley WD4 8JW
Certificate of Lawfulness for Proposed Development: Single storey side and rear extension.
-
26/0681/FUL Granted
Oaklands Harthall Lane Kings Langley Hertfordshire WD4 8JN
Construction of single storey rear extension; front porch; rear patio extension, loft conversion including rear dormer window and front and side rooflights; alterations to flank window; and alterations to external materials including render.
-
22/0796/CLPD Granted
27 Harthall Lane Kings Langley Hertfordshire WD4 8JW
Certificate of Lawfulness for Proposed Development: Single storey side and rear extension
Other lawful development applications
In Three Rivers
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26/0842/CLPD Granted
Dykewood Chorleywood Road Rickmansworth Hertfordshire WD3 4ES
Certificate of Lawfulness Proposed Development: Installation of solar panels.
-
26/0952/CLPD Granted
54 Station Road Kings Langley Hertfordshire WD4 8LB
Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable roof extension; rear dormer, velux windows and construction of outbuilding to rear.
-
26/1165/CLPD Awaiting decision
30 Gable Close Abbots Langley Hertfordshire WD5 0LD
Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer window and front rooflights
-
26/0724/CLED Granted
70 The Mead Carpenders Park Watford Hertfordshire WD19 5BU
Certificate of Lawfulness Existing Use: Use of annexe as a separate dwelling
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25/1151/CLED Refused
Unit 6 Century Court Tolpits Lane Watford Hertfordshire
Certificate of Lawfulness Existing Use: Use of property as single dwellinghouse (Use Class C3)