Planning application
26/0955/CLPD
31 Carpenders Avenue Carpenders Park Watford Hertfordshire WD19 5BS
Proposal
Certificate of Lawfulness Proposed Development: Proposed loft conversion including hip to gable extension, rear dormer and front rooflights
As published by the council, reference 26/0955/CLPD
Timeline
Dates from the published record
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11 Jun 2026
Received by Three Rivers
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15 Jun 2026
Validated
Checked as complete and ready for consideration.
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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 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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26/0951/FUL Awaiting decision
31 Carpenders Avenue Carpenders Park Watford Hertfordshire WD19 5BS
Construction of first floor front extension; loft conversion with hip to gable roof extension and rear dormer, front rooflights
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26/1167/FUL Awaiting decision
22 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AD
Construction of single storey front and rear extension; alterations to fenestration; installation of roof lanterns
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22/0966/FUL Granted
55 Penrose Avenue Carpenders Park Hertfordshire WD19 5AB
Variation of Condition 2 (plan numbers) pursuant to planning permission 20/1000/FUL (Demolition of existing dwelling, subdivision of the site to provide two semi-detached bungalows with accommodation in the roof space served by front and rear dormers, provision of new vehicular access, associated car parking and amenity space) to alter front elevation and external finishes, front landscaping and internal alterations to Unit 1. Removal of conditions 3 (external materials),6 (boundary treatment) and 7 (waste and recycling storage).
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23/2087/TPO Granted
19 Five Fields Close Carpenders Park Watford Hertfordshire WD19 5BZ
G1 - London Plane x 2 - Located to side of property - Would like to crown reduce/pollard by no more than 4m Reason - Close to property, for general maintenance purposes
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23/1998/TPO Granted
1 Carew Way Carpenders Park Watford Hertfordshire WD19 5BG
G9 TP0349 Two Sycamore tree's - Crown reduction by up to 4 meters height and up to 3 meters in width to support the health of the tree, allow windsail and reduce points of stress within the tree.
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25/1269/TPO Refused
1 Carew Way Carpenders Park Watford Hertfordshire WD19 5BG
Tree 2 (sycamore) - reduce the tree to around 7 m above ground level and 5 m in overall spread, maintain at this size by pruning every third year. Tree 3 (holly) - remove. See attached report
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.
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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.
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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
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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)