189 Cassiobury Drive Watford WD17 3AL

1. 1 May 2025

   Received by Watford

2. 13 May 2025

   Validated

   Checked as complete and ready for consideration.

3. 8 Jul 2025

   Decision issued: Conditional Planning Permission

4. 26 Jul 2026

   Added to PlanIndex

Watford granted permission on 8 July 2025, 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 193 Cassiobury Drive Watford WD17 3AL

  20/01101/DISCON Submitted 14 Oct 2020 50 yards away

  Details submitted for Condition 4 (tree protection method statement) pursuant to planning permission 20/00808/FULH

  Granted Conditions Trees 4 docs

• 193 Cassiobury Drive Watford WD17 3AL

  25/00342/FULH Submitted 4 Apr 2025 50 yards away

  Erection of outbuilding to rear of garden

  Granted Householder 18 docs
  Small domestic

• 193 Cassiobury Drive Watford WD17 3AL

  20/00808/FULH Submitted 3 Aug 2020 50 yards away

  Erection of porch extension

  Granted Householder Extension 14 docs
  Small 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

• 298 Cassiobury Drive Watford WD17 3AP

  24/00185/FULH Submitted 4 Mar 2024 50 yards away

  Erection of Single storey rear extension, side dormer, front porch insertions of roof lights, installation of solar panels & with internal changes.

  Granted Householder Extension Loft or dormer 10 docs
  Small domestic

• 179 Cassiobury Drive Watford WD17 3AL

  20/00512/FULH Submitted 26 May 2020 50 yards away

  Erection of part single, part double storey side and rear extensions, alterations to front porch, garage conversion and external rendering.

  Granted Householder Extension 10 docs
  Small domestic

• 26/00644/FULH Granted

  16 Garden Close Watford Hertfordshire WD17 3DP

  Erection of a 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 6m`s deep from the original wall.

  Received 14 Aug, published by the council 22 Aug 2026 Householder
• 26/00754/FULH Awaiting decision

  498 Whippendell Road Watford WD18 7QJ

  Erection of a ground floor wrap around extension, plus front porch.

  Received 28 Sep, published by the council 7 Oct 2026 Householder
• 26/00759/FULH Awaiting decision

  Gorran Haven Trevellance Way Watford WD25 0LY

  Erection of a double storey side and rear extensions and a single storey front extension.

  Received 28 Sep, published by the council 7 Oct 2026 Householder
• 26/00752/FULH Awaiting decision

  3 East Drive Watford Hertfordshire WD25 0AH

  Erection of single storey side extension and conversion of existing garage into habitable room

  Received 28 Sep, published by the council 1 Oct 2026 Householder
• 26/00756/FULH Awaiting decision

  40 Capel Road Watford WD19 4AE

  Erection of single storey rear extension

  Received 28 Sep, published by the council 1 Oct 2026 Householder