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Planning application

98 Cassiobury Drive Watford WD17 3AQ

Refused Watford 23/00369/HPD Householder Permitted Development

Works: Extension Small domestic

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

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

Proposal

The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 8.0m for which the maximum height would be 3.77m and for which the height of the eaves would be 3.0m

As published by the council, reference 23/00369/HPD

Application record

Reference
23/00369/HPD
Type
Householder Permitted Development
Status
Refused
Decision
Refused As published: Refuse Invalid HPD Notification
Received
27 Apr 2023
Validated
27 Apr 2023
Decided
22 May 2023
Ward
Park
Decision by
Delegated Decision
Postcode
WD17 3AQ

Site history

Applications at this address on the Watford register

This site has had 9 applications since 2023: 8 approved, 1 refused.

  • 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

    Decided 29 Apr 2025 Amendments
  • 24/00492/FULH Granted

    98 Cassiobury Drive Watford WD17 3AQ

    Erection of a single storey side extension and double storey rear extensions same as previously approved, and two side facing dormers and one front and one rear facing roof light to facilitate a loft conversion.

    Decided 17 Jul 2024 Householder
  • 24/00207/FULH Granted

    98 Cassiobury Drive Watford WD17 3AQ

    Erection of a single storey side extension and double storey rear extensions similar to previously approved.

    Decided 30 Apr 2024 Householder
  • 23/01005/FULH Granted

    98 Cassiobury Drive Watford WD17 3AQ

    Erection of single storey side and double storey rear extensions

    Decided 6 Dec 2023 Householder
  • 23/00813/FULH Granted

    98 Cassiobury Drive Watford WD17 3AQ

    Erection of Single Storey Side and Single Storey Rear Extension.

    Decided 19 Oct 2023 Householder
  • 23/00808/FULH Granted

    98 Cassiobury Drive Watford WD17 3AQ

    Erection of Single Storey Side and Rear Extension, Double Storey Side Extension and Part Garage Conversion

    Decided 19 Oct 2023 Householder
  • 23/00641/HPD Granted

    98 Cassiobury Drive Watford WD17 3AQ

    The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 8m for which the maximum height would be 3.99m and for which the height of the eaves would be 2.70m

    Decided 18 Aug 2023 Prior approval
  • 23/00642/HPD Granted

    98 Cassiobury Drive Watford WD17 3AQ

    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 3.99m and for which the height of the eaves would be 2.70m

    Decided 18 Aug 2023 Prior approval

Timeline

Dates from the published record

  1. 27 Apr 2023

    Received by Watford

  2. 22 May 2023

    Decision issued: Refuse Invalid HPD Notification

  3. 8 Sep 2026

    Added to PlanIndex

Documents

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

6 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 prior approval applications

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 98 Cassiobury Drive Watford WD17 3AQ

    23/01005/FULH Submitted 6 Nov 2023 50 yards away

    Erection of single storey side and double storey rear extensions

    Granted Householder Extension 6 docs
    Small domestic

  • 98 Cassiobury Drive Watford WD17 3AQ

    23/00641/HPD Submitted 20 Jul 2023 50 yards away

    The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 8m for which the maximum height would be 3.99m and for which the height of the eaves would be 2.70m

    Granted Prior approval Extension 4 docs
    Small domestic

  • 98 Cassiobury Drive Watford WD17 3AQ

    23/00642/HPD Submitted 20 Jul 2023 50 yards away

    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 3.99m and for which the height of the eaves would be 2.70m

    Granted Prior approval Extension 4 docs
    Small domestic

  • 98 Cassiobury Drive Watford WD17 3AQ

    24/00492/FULH Submitted 23 May 2024 50 yards away

    Erection of a single storey side extension and double storey rear extensions same as previously approved, and two side facing dormers and one front and one rear facing roof light to facilitate a loft conversion.

    Granted Householder Extension Loft or dormer 14 docs
    Small domestic

  • 98 Cassiobury Drive Watford WD17 3AQ

    24/00207/FULH Submitted 12 Mar 2024 50 yards away

    Erection of a single storey side extension and double storey rear extensions similar to previously approved.

    Granted Householder Extension 9 docs
    Small domestic

  • 98 Cassiobury Drive Watford WD17 3AQ

    25/00326/NONMAT Submitted 1 Apr 2025 50 yards away

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

    Granted Amendments Extension 3 docs
    Small domestic

In Watford

  • 26/00781/HPD Awaiting decision

    50 Butterwick Watford Hertfordshire WD25 9SD

    The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6.0m for which the maximum height would be 3.0m and for which the height of the eaves would be 2.70m.

    Received 5 Oct, published by the council 7 Oct 2026 Prior approval
  • 26/00777/HPD Awaiting decision

    984 St Albans Road Watford WD25 9NP

    The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6.0m for which the maximum height would be 3.0m and for which the height of the eaves would be 3.0m

    Received 2 Oct, published by the council 7 Oct 2026 Prior approval
  • 26/00660/HPD Granted

    12 Kingswood Road Watford Hertfordshire WD25 0EE

    The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 4.50m for which the maximum height would be 4m and for which the height of the eaves would be 3m

    Received 20 Aug, published by the council 22 Aug 2026 Prior approval
  • 26/00617/AAPA Refused

    Hanover Court 85 - 87 King Georges Avenue Watford WD18 7QE

    Notification of prior approval for upward extension above existing block of flats to provide x3 new flats

    Received 10 Aug, published by the council 15 Aug 2026 Prior approval
  • 26/00769/HPD Awaiting decision

    18 Hazel Tree Road Watford Hertfordshire WD24 6RQ

    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 3.3m and for which the height of the eaves would be 3m

    Received 30 Sep, published by the council 7 Oct 2026 Prior approval