45A Cassiobury Park Avenue Watford WD18 7LD

This site has had 4 applications since 2025: 1 approved, 3 refused.

• 25/00260/LDC Granted

  45A Cassiobury Park Avenue Watford WD18 7LD

  Erection of a rear dormer extension with front roof lights.

  Decided 15 May 2025 Lawful development
• 25/00262/FULH Refused

  45A Cassiobury Park Avenue Watford WD18 7LD

  Erection of a Ground Floor Rear Extension

  Decided 15 May 2025 Householder
• 25/00261/FULH Refused

  45A Cassiobury Park Avenue Watford WD18 7LD

  Erection of part first floor side and rear extension and single storey rear extension

  Decided 17 Jun 2025 Householder

1. 20 Mar 2025

   Received by Watford

2. 15 May 2025

   Decision issued: Refuse Planning Permission

3. 26 Jul 2026

   Added to PlanIndex

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.

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.

• 45A Cassiobury Park Avenue Watford WD18 7LD

  25/00260/LDC Submitted 20 Mar 2025 50 yards away

  Erection of a rear dormer extension with front roof lights.

  Granted Lawful development Extension Loft or dormer 15 docs

• 45A Cassiobury Park Avenue Watford WD18 7LD

  25/00262/FULH Submitted 20 Mar 2025 50 yards away

  Erection of a Ground Floor Rear Extension

  Refused Householder Extension 14 docs
  Domestic

• 45A Cassiobury Park Avenue Watford WD18 7LD

  25/00261/FULH Submitted 20 Mar 2025 50 yards away

  Erection of part first floor side and rear extension and single storey rear extension

  Refused Householder Extension 15 docs
  Small domestic

• 47 Cassiobury Park Avenue Watford WD18 7LD

  18/01463/FULH Submitted 14 Nov 2018 50 yards away

  Removal of existing outbuildings and erection of three storey side and single storey rear extensions

  Refused Householder Extension 17 docs
  Small domestic

• 43 Cassiobury Park Avenue Watford Hertfordshire WD18 7LD

  22/01333/FULH Submitted 16 Nov 2022 50 yards away

  Erection of single storey rear extension

  Granted Householder Extension 5 docs
  Small domestic

• 46 Cassiobury Park Avenue Watford WD18 7LB

  25/00168/TPO Submitted 27 Feb 2025 100 yards away

  Works to tree/s under TPO.112 Lime tree T72, Pollarding, cut back branches on street and house side by 3m. Poor light in lower and upper rooms. Improve clearance from boundary

  Granted Trees 8 docs

• 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