312 Cassiobury Drive Watford WD17 3AW

This site has had 2 applications since 2024: 1 approved, 1 refused.

• 24/00512/FULH Refused

  312 Cassiobury Drive Watford WD17 3AW

  Erection of double storey front and rear extension, first floor side extension, new porch and loft conversion including rear and side dormers and x2 front rooflights

  Decided 24 Jul 2024 Householder

1. 2 Sep 2024

   Received by Watford

2. 28 Oct 2024

   Decision issued: Conditional Planning Permission

3. 24 Jul 2026

   Added to PlanIndex

Watford granted permission on 28 October 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.

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.

• 312 Cassiobury Drive Watford WD17 3AW

  24/00512/FULH Submitted 29 May 2024 50 yards away

  Erection of double storey front and rear extension, first floor side extension, new porch and loft conversion including rear and side dormers and x2 front rooflights

  Refused Householder Extension Loft or dormer 23 docs
  Small domestic

• 316 Cassiobury Drive Watford WD17 3AW

  25/00169/FULH Submitted 27 Feb 2025 50 yards away

  Erection of first floor rear extension, conversion of garage to habitable space and new roof over existing store to rear of garage

  Granted Householder Extension Roofing 9 docs
  Domestic

• 320 Cassiobury Drive Watford WD17 3AW

  18/00942/NONMAT Submitted 30 Jul 2018 50 yards away

  Non Material Amendment to change the previously approved pitched roof above the garage to a flat roof pursuant to planning permission 16/01591/FULH

  Refused Amendments 4 docs

• 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

• 47 Harford Drive Watford WD17 3DQ

  20/00485/FULH Submitted 18 May 2020 50 yards away

  Erection of a single storey rear extension

  Granted Householder Extension 11 docs
  Small domestic

• 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

• 26/00712/FULH Awaiting decision

  32 Gade Avenue Watford Hertfordshire WD18 7LG

  Erection of a single storey rear extension and internal alterations.

  Received 8 Sep, published by the council 14 Sep 2026 Householder
• 26/00491/FULH Granted

  88 High Road Watford WD25 7LJ

  Retrospective planning application for timber framed cantilevered garden barbecue canopy with roof tiles to match existing

  Received 29 Jun, published by the council 24 Jul 2026 Householder
• 26/00559/FULH Granted

  157 Cassiobury Drive Watford WD17 3AL

  Proposed roof alteration involving double hip-to-gable conversion; erection of a rear crown-roof dormer; erection of a front dormer; installation of 4 x roof lights on the front and front/side roof slope; installation of new windows to the front, rear and side; installation of a side door to the ground floor; changes to finish materials; internal alterations.

  Received 21 Jul, published by the council 26 Jul 2026 Householder
• 26/00550/FULH Granted

  39 The Ridgeway Watford WD17 4TH

  Proposed roof alteration and conversion of loft into habitable room with roof lights.

  Received 17 Jul, published by the council 26 Jul 2026 Householder
• 26/00601/FULH Granted

  28 Oakdene Road Watford WD24 6RW

  Erection of first floor rear extension

  Received 3 Aug, published by the council 9 Aug 2026 Householder