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Planning application

45A Cassiobury Park Avenue Watford WD18 7LD

Granted Watford 25/00260/LDC Lawful Development Certificate

Works: Extension Loft or dormer

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

Proposal

Erection of a rear dormer extension with front roof lights.

As published by the council, reference 25/00260/LDC

Application record

Reference
25/00260/LDC
Type
Lawful Development Certificate
Status
Approved
Decision
Granted As published: Grant Lawful Development Certificate
Received
20 Mar 2025
Validated
20 Mar 2025
Decided
15 May 2025
Ward
Park
Decision by
Delegated Decision
Postcode
WD18 7LD

Site history

Applications at this address on the Watford register

This site has had 5 applications since 2020: 1 approved, 4 refused.

  • 25/00263/FULH Refused

    45A Cassiobury Park Avenue Watford WD18 7LD

    proposed extending width of existing drop kerb and driveway including installation of new gates and associated works

    Decided 15 May 2025 Householder
  • 25/00262/FULH Refused

    45A Cassiobury Park Avenue Watford WD18 7LD

    Erection of a Ground Floor Rear Extension

    Decided 15 May 2025 Householder
  • 25/00261/FULH Refused

    45A Cassiobury Park Avenue Watford WD18 7LD

    Erection of part first floor side and rear extension and single storey rear extension

    Decided 17 Jun 2025 Householder
  • 20/00219/FULH Refused

    45A Cassiobury Park Avenue Watford WD18 7LD

    Proposed loft conversion, first floor side extension, ground floor rear extension, two storey front extension and a wider vehicle access pavement crossing. (Amended plans)

    Decided 22 Apr 2020 Householder

Timeline

Dates from the published record

  1. 20 Mar 2025

    Received by Watford

  2. 15 May 2025

    Decision issued: Grant Lawful Development Certificate

  3. 26 Jul 2026

    Added to PlanIndex

Documents

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

15 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 15 May 2025, 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

  • 45A Cassiobury Park Avenue Watford WD18 7LD

    25/00263/FULH Submitted 20 Mar 2025 50 yards away

    proposed extending width of existing drop kerb and driveway including installation of new gates and associated works

    Refused Householder 9 docs
    Domestic

  • 45A Cassiobury Park Avenue Watford WD18 7LD

    25/00262/FULH Submitted 20 Mar 2025 50 yards away

    Erection of a Ground Floor Rear Extension

    Refused Householder Extension 14 docs
    Domestic

  • 45A Cassiobury Park Avenue Watford WD18 7LD

    25/00261/FULH Submitted 20 Mar 2025 50 yards away

    Erection of part first floor side and rear extension and single storey rear extension

    Refused Householder Extension 15 docs
    Small domestic

  • 45A Cassiobury Park Avenue Watford WD18 7LD

    20/00219/FULH Submitted 26 Feb 2020 50 yards away

    Proposed loft conversion, first floor side extension, ground floor rear extension, two storey front extension and a wider vehicle access pavement crossing. (Amended plans)

    Refused Householder Extension Loft or dormer 14 docs
    Domestic

  • 47 Cassiobury Park Avenue Watford WD18 7LD

    18/01463/FULH Submitted 14 Nov 2018 50 yards away

    Removal of existing outbuildings and erection of three storey side and single storey rear extensions

    Refused Householder Extension 17 docs
    Small domestic

  • 47 Cassiobury Park Avenue Watford Hertfordshire WD18 7LD

    22/00200/DISCON Submitted 16 Feb 2022 50 yards away

    Details submitted for Condition 3. (external materials) pursuant to planning permission 20/01014/FULH allowed on appeal

    Granted Conditions 8 docs

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