304 Cassiobury Drive Watford WD17 3AP

This site has had 5 applications since 2024: 5 approved, 0 refused.

• 25/00589/FULH Granted

  304 Cassiobury Drive Watford WD17 3AP

  Retrospective application for existing x2 rear outbuildings and proposed side boundary treatment

  Decided 16 Sep 2025 Householder
• 25/00080/FULH Granted

  304 Cassiobury Drive Watford WD17 3AP

  Retrospective application for the construction of a front facing dormer

  Decided 8 Apr 2025 Householder
• 24/00655/FULH Granted

  304 Cassiobury Drive Watford WD17 3AP

  Erection of a part single and part double storey rear extension, garage conversion and alterations to existing porch.

  Decided 3 Sep 2024 Householder
• 24/00656/FULH Granted

  304 Cassiobury Drive Watford WD17 3AP

  Erection of part single and part double storey rear extension, garage conversion and alterations to existing porch

  Decided 3 Sep 2024 Householder

1. 14 May 2024

   Received by Watford

2. 20 May 2024

   Validated

   Checked as complete and ready for consideration.

3. 1 Jul 2024

   Decision issued: Grant HPD Prior Approval

4. 22 Aug 2026

   Added to PlanIndex

Watford granted permission on 1 July 2024, 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.

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.

• 304 Cassiobury Drive Watford WD17 3AP

  25/00589/FULH Submitted 23 Jun 2025 50 yards away

  Retrospective application for existing x2 rear outbuildings and proposed side boundary treatment

  Granted Householder 14 docs
  Domestic

• 304 Cassiobury Drive Watford WD17 3AP

  25/00080/FULH Submitted 29 Jan 2025 50 yards away

  Retrospective application for the construction of a front facing dormer

  Granted Householder Loft or dormer 11 docs
  Domestic

• 304 Cassiobury Drive Watford WD17 3AP

  24/00655/FULH Submitted 9 Jul 2024 50 yards away

  Erection of a part single and part double storey rear extension, garage conversion and alterations to existing porch.

  Granted Householder Extension 10 docs
  Small domestic

• 304 Cassiobury Drive Watford WD17 3AP

  24/00656/FULH Submitted 9 Jul 2024 50 yards away

  Erection of part single and part double storey rear extension, garage conversion and alterations to existing porch

  Granted Householder Extension 9 docs
  Small domestic

• 306 Cassiobury Drive Watford WD17 3AW

  26/00154/FULH Submitted 25 Feb 2026 50 yards away

  Erection of two storey rear and side extension and loft conversion with the rear and side dormer

  Granted Householder Extension Loft or dormer 11 docs
  Domestic

• 300 Cassiobury Drive Watford WD17 3AP

  24/00493/FULH Submitted 23 May 2024 50 yards away

  (Part Retrospective) Change of use of garage into a habitable space. A new flat roof replaces an old corrugated sheet roof. The new roof height does not exceed 2500mm. The garage door is being replaced with a brick infill and a window. To the rear, replacing the old door and window with a new one. To the side changing the roof type from a corrugated sheet roof to a flat roof.

  Granted Householder Extension Roofing +1 12 docs
  Domestic

• 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