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Planning application

20/00638/LDC

33 Cassiobury Park Avenue Watford WD18 7LA

Refused Watford Lawful Development Certificate

Proposal

Lawful Development Certificate for replacement of the existing conservatory (which projects 3m into the garden from the back wall of the house), with a larger conservatory that projects 4.6m into the garden, with floor to ceiling glass windows (instead of the current dwarf wall design), and a glass roof (instead of the polycarb. roof).

As published by the council, reference 20/00638/LDC

Timeline

Dates from the published record

  1. 22 Jun 2020

    Received by Watford

  2. 24 Jul 2020

    Decision issued: Refuse Lawful Development Certificate

  3. 24 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

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

  • 23/01173/FUL Decided

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    Proposed to install an automatic irrigation system for four croquet lawns with water supplied from a new borehole.

    18 Dec 2023 70m away Full applications
  • 24/00025/TPO Granted

    44 Cassiobury Park Avenue Watford WD18 7LB

    Works to trees under TPO112 : T73, T74, T75 and T76 Limes: Crown reduction by up to 3.5m Remove dead wood and clean out the crown. T77 Oak: Crown reduction by up to 3.5m where it overhangs the footpath and by up to 2.5m to the property side remove dead wood and clean out the crown.

    15 Jan 2024 78m away Trees
  • 22/00420/FULH Decided

    32 Shepherds Road Watford Hertfordshire WD18 7HX

    Erection of a two storey side and single storey rear extension with additional rear dormer and front roof windows to main roof.

    29 Mar 2022 81m away Householder
  • 26/00480/FULH Awaiting decision

    23 Shepherds Road Watford WD18 7HU

    Erection of a ground and first floor extensions, loft conversion with dormer and roof lights and frameless glass link.

    25 Jun 2026 81m away Householder
  • 25/00493/FULH Refused

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    Erection of a link to garage and construction of two rear dormer windows and insertion of two heritage roof lights to rear elevation (amended description)

    27 May 2025 81m away Householder
  • 22/00136/FUL Decided

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    Erection of two storey side and rear extension to provide a new 3 bedroom dwelling (annexe accommodation previously approved under ref: 21/01040/FULH)

    3 Feb 2022 128m away Full applications

In Watford

  • 26/00416/LDC Granted

    249 Hempstead Road Watford WD17 3HH

    Lawful Development Certificate for a loft extension incorporating a rear flat-roof dormer and installation of three rooflights to the front roof slope, Garage conversion and front porch canopy.

    4 Jun 2026 Lawful development
  • 26/00485/LDC Granted

    Shrodells Unit Watford General Hospital Vicarage Road Watford WD18 0HB

    Lawful development certificate for proposed single storey extension to Shrodells Unit

    26 Jun 2026 Lawful development
  • 26/00555/LDC Awaiting decision

    81 Tudor Walk Watford Hertfordshire WD24 7NZ

    Lawful Development Certificate for a hip-to-gable roof enlargement, rear dormer, alterations to the roof of the existing two-storey rear extension and associated rooflights.

    20 Jul 2026 Lawful development
  • 26/00549/LDC Awaiting decision

    4 Field Road Watford WD19 4DR

    Lawful Development Certificate to replace single storey rear extension.

    17 Jul 2026 Lawful development
  • 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

    27 May 2026 Lawful development