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Planning application

20/00792/FULH

16 Cassiobury Drive Watford WD17 3AB

Decided Watford Full householder

Proposal

Erection of a first floor rear extension, loft conversion with 1no. front and 2no. rear dormers and new roof

As published by the council, reference 20/00792/FULH

Timeline

Dates from the published record

  1. 30 Jul 2020

    Received by Watford

  2. 23 Sep 2020

    Decision issued: Conditional Planning Permission

  3. 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

  • 22/00592/FULH Decided

    15 Cassiobury Drive Watford WD17 3AA

    Erection of a single storey rear extension with flat roof and rooflights.

    4 May 2022 60m away Householder
  • 26/00349/FULH Decided

    21 Cassiobury Drive Watford WD17 3AA

    Conversion of existing garage into habitable space including new bay window

    5 May 2026 61m away Householder
  • 25/00223/NONMAT Granted

    45 Cassiobury Drive Watford WD17 3AA

    Non material amendment to internal layout and measurements of the building pursuant to planning permission 24/00547/FULH

    10 Mar 2025 73m away Amendments
  • 22/00524/FULH Decided

    25 Cassiobury Drive Watford Hertfordshire WD17 3AA

    Retrospective application to retain garden outbuilding (games room)

    21 Apr 2022 76m away Householder
  • 26/00160/VAR Decided

    30 Cassiobury Drive Watford WD17 3AB

    Variation of condition 2 (approved drawings) to increase the depth of house, introduce bay windows to front and changes to the shape and position of the rear outbuilding. Variation of condition 9 (arboricultural assessment) to account for design changes pursuant to application 24/00977/FUL

    27 Feb 2026 89m away Amendments
  • 22/00556/VAR Decided

    29 Rickmansworth Road Watford Hertfordshire WD18 7HL

    Variation of Condition 2 (approved plans) of planning permission 21/00142/FUL to regularise the rear elevation with the previously approved front elevation and roof floor plan (amended scheme)

    27 Apr 2022 182m away Amendments

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