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Planning application

22/00186/FULH

336 Cassiobury Drive Watford Hertfordshire WD17 3AW

Decided Watford Full householder

Proposal

Proposed second floor loft conversion, single storey rear extension, garage conversion and internal alterations, also a first floor front extension.

As published by the council, reference 22/00186/FULH

Timeline

Dates from the published record

  1. 11 Feb 2022

    Received by Watford

  2. 14 Feb 2022

    Validated

    Checked as complete and ready for consideration.

  3. 8 Apr 2022

    Decision issued: Conditional Planning Permission

  4. 24 Jul 2026

    Added to PlanIndex

After the decision

The process from here

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • 23/00920/HPD Granted

    328 Cassiobury Drive Watford WD17 3AW

    The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6m for which the maximum height would be 3m and for which the height of the eaves would be 2.90m

    10 Oct 2023 47m away Prior approval
  • 26/00324/FULH Awaiting decision

    350 Cassiobury Drive Watford WD17 3AW

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

    27 Apr 2026 71m away Householder
  • 23/00172/LDC Granted

    61 Harford Drive Watford Hertfordshire WD17 3DQ

    Lawful Development Certificate for a hip to gable roof conversion that involves the addition of a rear dormer.

    27 Feb 2023 87m away Lawful development
  • 25/00222/NONMAT Granted

    350 Cassiobury Drive Watford WD17 3AW

    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.

    10 Mar 2025 98m away Amendments
  • 24/00070/DISCON Decided

    350 Cassiobury Drive Watford WD17 3AW

    Details submitted for Condition 3 (Materials) pursuant to planning permission 23/01007/FUL

    30 Jan 2024 98m away Conditions
  • 22/00554/FULH Refused

    350 Cassiobury Drive Watford Hertfordshire WD17 3AW

    Double storey side and rear extensions with hipped roof detail.

    27 Apr 2022 98m away Householder

In Watford

  • 26/00582/FULH Awaiting decision

    23 Westlea Avenue Watford WD25 9DH

    Erection of single story side extension and front porch extension

    28 Jul 2026 Householder
  • 26/00578/FULH Awaiting decision

    149 Rickmansworth Road Watford WD18 7FH

    Erection of a single storey side and dormer roof extension comprising of new side Dutch gable to match 149a Rickmansworth Road.

    27 Jul 2026 Householder
  • 26/00576/FULH Awaiting decision

    86 Fourth Avenue Watford Hertfordshire WD25 9QQ

    (Retrospective) Erection of a single-storey outbuilding with a flat roof. The maximum overall height of the building is 2,850 mm.

    27 Jul 2026 Householder
  • 26/00449/FULH Refused

    61 Park Road Watford WD17 4QJ

    Erection of a first-floor extension over the existing flat roof (incorporating the scheme previously approved under ref: 26/00051/VAR) alongside a new loft conversion to provide additional habitable accommodation

    15 Jun 2026 Householder
  • 26/00413/FULH Decided

    48 Meadow Road Watford WD25 0JA

    Erection of a single storey side extension.

    2 Jun 2026 Householder