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Planning application

25/1009/CLPD

50 Highfield Carpenders Park Watford Hertfordshire WD19 5DZ

Granted Three Rivers Certificate of Lawfulness - Proposed Use

Proposal

Certificate of Lawfulness Proposed Development: Construction of single storey rear extension; loft conversion including rear dormer and front rooflights.

As published by the council, reference 25/1009/CLPD

Timeline

Dates from the published record

  1. 9 Jun 2025

    Received by Three Rivers

  2. 31 Jul 2025

    Decision issued: approved

  3. 24 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

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

  • 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 47m 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 47m away Trees
  • 25/1275/DDD Granted

    The Oaks 1 Carew Way Carpenders Park Watford Hertfordshire WD19 5BG

    T1 - Sycamore Fell

    24 Jul 2025 47m away Trees
  • 22/0834/FUL Granted

    30 Highfield Carpenders Park Hertfordshire WD19 5DZ

    Garage conversion into a habitable room

    4 May 2022 48m away Full applications
  • 22/0628/CLPD Withdrawn

    30 Highfield Carpenders Park Hertfordshire WD19 5DZ

    Certificate of Lawfulness Proposed Development: Conversion of garage to habitable accomodation.

    4 Apr 2022 48m away Lawful development
  • 26/0648/RSP Granted

    30 Highfield Carpenders Park Watford Hertfordshire WD19 5DZ

    Retrospective: Construction of single storey side/rear extension to use as shed

    22 Apr 2026 48m away Amendments

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