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Planning application

26/00422/FULH

71 Cassiobury Drive Watford WD17 3AG

Awaiting decision Watford Full householder

Proposal

Extensions at first floor and roof level to create additional bedroom with en suite in loft. Roof to be re tiled with additional roof lights.

As published by the council, reference 26/00422/FULH

Timeline

Dates from the published record

  1. 5 Jun 2026

    Received by Watford

  2. 9 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 24 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Watford for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

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

  • 26/00463/FULH Awaiting decision

    16 Garden Close Watford Hertfordshire WD17 3DP

    Proposed 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 4m`s deep from the original wall. Alterations to the main roof including the front and the rear dormers. AMEDED DRAWINGS AND DESCRIPTION

    18 Jun 2026 94m away Householder
  • 20/00587/LDC Granted

    11 Garden Close Watford WD17 3DP

    Lawful Development Certificate for the erection of an outbuilding to be used as ancillary to the main house - gym, games room and garden storage

    12 Jun 2020 132m away Lawful development
  • 24/00825/VAR Decided

    22 Stratford Way Watford WD17 3DJ

    Removal of condition 4 (obscure glazing) to revise the glass box design. Variation of condition 2 to allow the replacement of approved drawings pursuant to planning application 23/00474/FULH, Erection of ground and first floor rear extension, floor plan redesign and associated works.

    2 Sep 2024 148m away Amendments
  • 22/00534/FULH Decided

    95 Cassiobury Drive Watford Hertfordshire WD17 3AG

    Erection of single storey rear extension and first floor rear extension and new gable to front elevation (amended description)

    22 Apr 2022 148m away Householder
  • 25/00326/NONMAT Granted

    98 Cassiobury Drive Watford WD17 3AQ

    Non - material amendment pursuant to planning permission 24/00957/FULH for Change in eaves height to the single storey rear extension

    1 Apr 2025 151m away Amendments
  • 20/00653/FULH Decided

    33 Parkside Drive Watford WD17 3AS

    Erection of a single storey rear extension

    25 Jun 2020 161m 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