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Planning application

26/0955/CLPD

31 Carpenders Avenue Carpenders Park Watford Hertfordshire WD19 5BS

Awaiting decision Three Rivers Certificate of Lawfulness - Proposed Use

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

  1. 11 Jun 2026

    Received by Three Rivers

  2. 15 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 24 Jul 2026

    Added to PlanIndex

  4. 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.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 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

    10 Jun 2026 0m away Full applications
  • 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

    20 Jul 2026 78m away Full applications
  • 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).

    20 May 2022 121m away Full applications
  • 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

    6 Dec 2023 134m away Trees
  • 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.

    24 Nov 2023 155m away Trees
  • 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

    28 Jul 2025 155m away Trees

In Three Rivers

  • 26/0842/CLPD Granted

    Dykewood Chorleywood Road Rickmansworth Hertfordshire WD3 4ES

    Certificate of Lawfulness Proposed Development: Installation of solar panels.

    26 May 2026 Lawful development
  • 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.

    11 Jun 2026 Lawful development
  • 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

    20 Jul 2026 Lawful development
  • 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

    5 May 2026 Lawful development
  • 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)

    4 Jul 2025 Lawful development