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Planning application

157 Cassiobury Drive Watford WD17 3AL

Refused Watford 23/01028/LDC Lawful Development Certificate

Works: Loft or dormer Windows or glazing

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Lawful Development Certificate For Roof alteration involving double hip to gable barn-end conversion; erection of a rear dormer with French Doors with Juliet Balcony; installation of front and side facing roof lights and new casement windows to thee front and rear

As published by the council, reference 23/01028/LDC

Application record

Reference
23/01028/LDC
Type
Lawful Development Certificate
Status
Refused
Decision
Refused As published: Refuse Lawful Development Certificate
Received
10 Nov 2023
Validated
10 Nov 2023
Decided
22 Dec 2023
Ward
Park
Decision by
Delegated Decision
Postcode
WD17 3AL

Site history

Applications at this address on the Watford register

This site has had 4 applications since 2023: 2 approved, 2 refused.

  • 26/00559/FULH Granted

    157 Cassiobury Drive Watford WD17 3AL

    Proposed roof alteration involving double hip-to-gable conversion; erection of a rear crown-roof dormer; erection of a front dormer; installation of 4 x roof lights on the front and front/side roof slope; installation of new windows to the front, rear and side; installation of a side door to the ground floor; changes to finish materials; internal alterations.

    Decided 8 Sep 2026 Householder
  • 26/00372/FULH Granted

    157 Cassiobury Drive Watford WD17 3AL

    Proposed roof alteration involving double hip-to-gable conversion, erection of a rear crown roof dormer with french doors and juliet balcony, installation of 6 roof lights on the front and front/side roof slope, installation of new windows to the front, rear and side, installation of a side door to the ground floor, changes to finish materials and internal alterations.

    Decided 17 Jun 2026 Householder
  • 26/00192/FULH Refused

    157 Cassiobury Drive Watford WD17 3AL

    Proposed roof alteration involving double hip-to-gable conversion; erection of a rear, crown-roof dormer with french doors and juliet balcony; installation of 6 x roof lights on the front and front/side roof slope; installation of new windows to the front, rear and side; installation of a side door to the ground floor; changes to finish materials; internal alterations.

    Decided 30 Apr 2026 Householder

Timeline

Dates from the published record

  1. 10 Nov 2023

    Received by Watford

  2. 22 Dec 2023

    Decision issued: Refuse Lawful Development Certificate

  3. 24 Jul 2026

    Added to PlanIndex

Documents

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

19 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 refusal means

Watford refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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

  • 157 Cassiobury Drive Watford WD17 3AL

    26/00559/FULH Submitted 21 Jul 2026 50 yards away

    Proposed roof alteration involving double hip-to-gable conversion; erection of a rear crown-roof dormer; erection of a front dormer; installation of 4 x roof lights on the front and front/side roof slope; installation of new windows to the front, rear and side; installation of a side door to the ground floor; changes to finish materials; internal alterations.

    Granted Householder Loft or dormer Windows or glazing 17 docs
    Domestic

  • 157 Cassiobury Drive Watford WD17 3AL

    26/00192/FULH Submitted 9 Mar 2026 50 yards away

    Proposed roof alteration involving double hip-to-gable conversion; erection of a rear, crown-roof dormer with french doors and juliet balcony; installation of 6 x roof lights on the front and front/side roof slope; installation of new windows to the front, rear and side; installation of a side door to the ground floor; changes to finish materials; internal alterations.

    Refused Householder Loft or dormer Windows or glazing 19 docs
    Domestic

  • 157 Cassiobury Drive Watford WD17 3AL

    26/00372/FULH Submitted 12 May 2026 50 yards away

    Proposed roof alteration involving double hip-to-gable conversion, erection of a rear crown roof dormer with french doors and juliet balcony, installation of 6 roof lights on the front and front/side roof slope, installation of new windows to the front, rear and side, installation of a side door to the ground floor, changes to finish materials and internal alterations.

    Granted Householder Loft or dormer Windows or glazing 16 docs
    Domestic

  • 74 Langley Way Watford WD17 3FB

    26/00155/FULH Submitted 26 Feb 2026 100 yards away

    Erection of 2 storey side extension and a porch with changes to fenstration on first floor facing Langley Road

    Refused Householder Extension 14 docs
    Small domestic

  • 69 Langley Way Watford Hertfordshire WD17 3EB

    22/01253/FULH Submitted 26 Oct 2022 100 yards away

    Changes to the proposed extensions approved under planning permission ref: 22/00723/FULH. Erection of rear balcony, addition of rooflight above single storey rear extension, replacement of window in side extension front elevation for a door, addition of door to side elevation, repositioning of front entrance door, reduction in number of rooflights.

    Granted Householder Extension Loft or dormer +1 6 docs
    Small domestic

  • 69 Langley Way Watford Hertfordshire WD17 3EB

    22/00723/FULH Submitted 31 May 2022 100 yards away

    Erection of part single storey, part two storey rear extension, two storey side extension and loft conversion including front and rear rooflights; renewal of previously approved application ref: 18/01493/FULH.

    Granted Householder Extension Loft or dormer 5 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