71 Cassiobury Drive Watford WD17 3AG

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. 9 Aug 2026

   Status changed to Pending Decision

   Previously Pending consideration.

5. 10 Aug 2026

   Decision issued: Conditional Planning Permission

Watford granted permission on 10 August 2026, 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.

• 83 Cassiobury Drive Watford WD17 3AG

  20/00620/NONMAT Submitted 19 Jun 2020 100 yards away

  Non-material amendment to planning permission 19/00777/FULH to reposition existing ground floor window and existing roof light to front elevation and additional roof light to the side elevation.

  Granted Amendments Loft or dormer Windows or glazing 5 docs

• 16 Garden Close Watford Hertfordshire WD17 3DP

  26/00463/FULH Submitted 18 Jun 2026 100 yards away

  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.

  Refused Householder Extension Loft or dormer 20 docs
  Small domestic

• 16 Garden Close Watford Hertfordshire WD17 3DP

  26/00644/FULH Submitted 14 Aug 2026 100 yards away

  80% historically approved · decision due ~9 Oct

  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.

  Awaiting decision Householder Extension 15 docs
  Small domestic

• 37 Stratford Way Watford WD17 3DL

  20/00340/FULH Submitted 24 Mar 2020 100 yards away

  Erection of a single storey front extension and external and internal alterations.

  Refused Householder Extension 7 docs
  Small domestic

• 28 Stratford Way Watford WD17 3DJ

  20/00493/NONMAT Submitted 19 May 2020 150 yards away

  Non-material amendment to planning permission 19/00990/FULH for the addition of a window to the side elevation of the rear ground floor extension.

  Granted Amendments Extension Windows or glazing 5 docs

• 14 Garden Close Watford Hertfordshire WD17 3DP

  22/01357/FULH Submitted 21 Nov 2022 150 yards away

  Erection of a single storey front extension to form a garage, alterations to existing storm porch roof and provision of a dropped kerb.

  Granted Householder Extension 8 docs
  Small 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