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Planning application

348 Cassiobury Drive Watford WD17 3AW

Granted Watford 25/00155/FULH Full householder

Works: Extension Domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Erection of a first floor rear extension with pitched roof linked to existing habitable loft space

As published by the council, reference 25/00155/FULH

Application record

Reference
25/00155/FULH
Type
Full householder
Status
Approved
Decision
Granted As published: Conditional Planning Permission
Received
24 Feb 2025
Validated
3 Mar 2025
Decided
28 Apr 2025
Ward
Park
Decision by
Delegated Decision
Postcode
WD17 3AW

Timeline

Dates from the published record

  1. 24 Feb 2025

    Received by Watford

  2. 3 Mar 2025

    Validated

    Checked as complete and ready for consideration.

  3. 28 Apr 2025

    Decision issued: Conditional Planning Permission

  4. 9 Aug 2026

    Added to PlanIndex

Documents

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

17 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 28 April 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 householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 350 Cassiobury Drive Watford WD17 3AW

    26/00324/FULH Submitted 27 Apr 2026 50 yards away

    82% historically approved · decision due ~31 Jul

    (Retrospective) Erection of single storey rear outbuilding with hipped roof, brick walls and clay plain tile roof. and WC.

    Awaiting decision Householder 4 docs
    Small domestic

  • 346 And 348 Cassiobury Drive Watford WD17 3AW

    26/00690/FULH Submitted 28 Aug 2026 50 yards away

    82% historically approved · decision due ~4 Nov

    Erection of single storey and first floor rear extensions to the existing dwelling, alterations to the existing roof and associated internal and external alterations, with retention of the existing garage at No 346 and Erection of single storey and first floor rear extensions to the existing dwelling, conversion of the roof space to provide additional habitable accommodation, installation of front and rear dormer windows and rooflights, alterations to the existing roof and associated internal and external alterations at No.348

    Awaiting decision Householder Extension Loft or dormer +1 22 docs
    Small domestic

  • 350 Cassiobury Drive Watford Hertfordshire WD17 3AW

    22/00940/FULH Submitted 28 Jul 2022 50 yards away

    Proposed double storey side and rear extensions with associated roof works. Single storey rear extension.

    Granted Householder Extension 7 docs
    Small domestic

  • 350 Cassiobury Drive Watford Hertfordshire WD17 3AW

    22/00935/FULH Submitted 27 Jul 2022 50 yards away

    Erection of double storey side and rear extensions with hipped roof detail.

    Granted Householder Extension 15 docs
    Domestic

  • 350 Cassiobury Drive Watford WD17 3AW

    25/00222/NONMAT Submitted 10 Mar 2025 50 yards away

    Non material amendment for proposed raising for roof line by 225mm and including brick courses above the windows pursuant to planning permission 23/01007/FUL.

    Granted Amendments Windows or glazing 12 docs

  • 350 Cassiobury Drive Watford WD17 3AW

    24/00174/NONMAT Submitted 28 Feb 2024 50 yards away

    Non material amendment pursuant to planning permission 23/01007/FUL - changes to fenestration window sizes and positions.

    Granted Amendments Windows or glazing 7 docs

In Watford

  • 26/00644/FULH Granted

    16 Garden Close Watford Hertfordshire WD17 3DP

    Erection of a two storey side extension with new two storey gables entrance atrium and front two-storey bay. Single storey side extension to left hand side to house the new garage and single storey rear infill extension no more than 6m`s deep from the original wall.

    Received 14 Aug, published by the council 22 Aug 2026 Householder
  • 26/00754/FULH Awaiting decision

    498 Whippendell Road Watford WD18 7QJ

    Erection of a ground floor wrap around extension, plus front porch.

    Received 28 Sep, published by the council 7 Oct 2026 Householder
  • 26/00759/FULH Awaiting decision

    Gorran Haven Trevellance Way Watford WD25 0LY

    Erection of a double storey side and rear extensions and a single storey front extension.

    Received 28 Sep, published by the council 7 Oct 2026 Householder
  • 26/00752/FULH Awaiting decision

    3 East Drive Watford Hertfordshire WD25 0AH

    Erection of single storey side extension and conversion of existing garage into habitable room

    Received 28 Sep, published by the council 1 Oct 2026 Householder
  • 26/00756/FULH Awaiting decision

    40 Capel Road Watford WD19 4AE

    Erection of single storey rear extension

    Received 28 Sep, published by the council 1 Oct 2026 Householder