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Planning application

111 Cassiobury Park Avenue Watford WD18 7LH

Granted Watford 20/00455/LDC Lawful Development Certificate

Works: Loft or dormer Windows or glazing

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Lawful Development Certificate for a loft conversion with rear dormer, hip-to-gable, velux window and solar panels and installation of obscure glazed window to side elevation.

As published by the council, reference 20/00455/LDC

Application record

Reference
20/00455/LDC
Type
Lawful Development Certificate
Status
Approved
Decision
Granted As published: Grant Lawful Development Certificate
Received
5 May 2020
Validated
5 May 2020
Decided
14 May 2020
Ward
Park
Decision by
Delegated Decision
Postcode
WD18 7LH

Site history

Applications at this address on the Watford register

This site has had 3 applications since 2020: 3 approved, 0 refused.

  • 26/00346/FULH Granted

    111 Cassiobury Park Avenue Watford WD18 7LH

    Erection of single storey rear extension with roof light

    Decided 26 Jun 2026 Householder
  • 20/00454/FULH Granted

    111 Cassiobury Park Avenue Watford WD18 7LH

    Demolition of existing conservatory and existing garage building and construction of a single storey rear and side extension.

    Decided 27 Jun 2020 Householder

Timeline

Dates from the published record

  1. 5 May 2020

    Received by Watford

  2. 14 May 2020

    Decision issued: Grant Lawful Development Certificate

  3. 7 Oct 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

6 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Watford granted permission on 14 May 2020, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 111 Cassiobury Park Avenue Watford WD18 7LH

    20/00454/FULH Submitted 5 May 2020 50 yards away

    Demolition of existing conservatory and existing garage building and construction of a single storey rear and side extension.

    Granted Householder Extension Demolition 7 docs
    Small domestic

  • 111 Cassiobury Park Avenue Watford WD18 7LH

    26/00346/FULH Submitted 5 May 2026 50 yards away

    Erection of single storey rear extension with roof light

    Granted Householder Extension Loft or dormer 10 docs
    Small domestic

  • 105 Cassiobury Park Avenue Watford WD18 7LH

    26/00548/FULH Submitted 17 Jul 2026 50 yards away

    82% historically approved · decision due ~11 Sep

    Conversion of the existing garage to habitable use. Erection of a single storey side extension with a new hipped roof to the single storey side of the dwelling covering both the converted garage and the extension.

    Awaiting decision Householder Extension 16 docs
    Small domestic

  • 119 Cassiobury Park Avenue Watford WD18 7LH

    18/01393/FULH Submitted 31 Oct 2018 50 yards away

    Erection of a single storey rear and side extension.

    Granted Householder Extension 8 docs
    Small domestic

  • 94 Cassiobury Park Avenue Watford WD18 7LF

    23/00984/HPD Submitted 27 Oct 2023 50 yards away

    The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 5.0m for which the maximum height would be 4.0m and for which the height of the eaves would be 2.40m

    Granted Prior approval Extension 6 docs
    Small domestic

  • 94 Cassiobury Park Avenue Watford WD18 7LF

    23/00510/LDC Submitted 12 Jun 2023 50 yards away

    Lawful Development Certificate for single storey rear extension (3m).

    Refused Lawful development Extension 6 docs
    Small domestic

In Watford

  • 26/00740/LDC Granted

    344 Hagden Lane Watford WD18 7SH

    Lawful development certificate for proposed erection of outbuilding (12mx5m) at the South-West corner of the rear garden

    Received 21 Sep, published by the council 1 Oct 2026 Lawful development
  • 26/00763/LDC Awaiting decision

    134 Balmoral Road Watford WD24 4ET

    Lawful Development Certificate for proposed hip to gable loft conversion including rear dormer and x2 front roof lights.

    Received 29 Sep, published by the council 7 Oct 2026 Lawful development
  • 26/00755/LDC Awaiting decision

    498 Whippendell Road Watford WD18 7QJ

    Lawful Development Certificate for a loft conversion with rear dormer window.

    Received 28 Sep, published by the council 7 Oct 2026 Lawful development
  • 26/00579/LDC Refused

    37 Harford Drive Watford Hertfordshire WD17 3DQ

    Lawful development certificate for proposed erection of garden outbuilding for storage/office use and alterations to existing front porch

    Received 27 Jul, published by the council 9 Aug 2026 Lawful development
  • 26/00618/LDC Granted

    8 Woodhurst Avenue Watford WD25 9RQ

    Lawful Development Certificate for a hip-to-gable roof extension and rear dormer to facilitate a loft conversion, including associated roof alterations and windows/roof lights.

    Received 10 Aug, published by the council 16 Aug 2026 Lawful development