20 Cassiobury Park Avenue Watford WD18 7LB

1. 23 Mar 2020

   Received by Watford

2. 30 Mar 2020

   Validated

   Checked as complete and ready for consideration.

3. 20 May 2020

   Decision issued: Conditional Planning Permission

4. 9 Aug 2026

   Added to PlanIndex

Watford granted permission on 20 May 2020, 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.

• 22 Cassiobury Park Avenue Watford WD18 7LB

  19/00399/LDC Submitted 5 Apr 2019 50 yards away

  Lawful Development Certificate for a single storey rear outbuilding

  Refused Lawful development 13 docs
  Small domestic

• 22 Cassiobury Park Avenue Watford Hertfordshire WD18 7LB

  23/00280/NONMAT Submitted 31 Mar 2023 50 yards away

  Non material amendment of planing permission 21/01047/FULH - alterations to front facing and rear facing windows and alterations to front facing roof lights

  Granted Amendments Loft or dormer Windows or glazing 6 docs

• 22 Cassiobury Park Avenue Watford WD18 7LB

  21/01047/FULH Submitted 8 Jul 2021 50 yards away

  Erection of first floor side extension over existing garage as previously approved under application ref: 15/00293/FULH, first floor rear extension as previously approved under application ref: 15/00293/FULH, single storey rear extension and alterations to front elevation.

  Granted Householder Extension 6 docs
  Small domestic

• 22 Cassiobury Park Avenue Watford WD18 7LB

  20/01062/LDC Submitted 6 Oct 2020 50 yards away

  Lawful Development Certification for erection of an entrance porch.

  Granted Lawful development Extension 5 docs
  Small domestic

• 22 Cassiobury Park Avenue Watford WD18 7LB

  20/00450/FULH Submitted 4 May 2020 50 yards away

  Erection of first floor side extension above existing garage, two storey rear extension, replacement porch and new front boundary with wall and railings.

  Refused Householder Extension 10 docs
  Small domestic

• 22 Cassiobury Park Avenue Watford WD18 7LB

  21/00230/FULH Submitted 16 Feb 2021 50 yards away

  Construction of outbuilding to rear garden, revisions to previously approved outbuilding approved under application ref: 19/00399/LDC on Appeal.

  Granted Householder 9 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