77 Cassiobury Park Avenue Watford WD18 7LD

This site has had 2 applications since 2025: 2 approved, 0 refused.

• 25/00426/FULH Granted

  77 Cassiobury Park Avenue Watford WD18 7LD

  Erection of a single storey rear extension.

  Decided 24 Jul 2025 Householder

1. 2 May 2025

   Received by Watford

2. 29 May 2025

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2025

   Decision issued: Grant Lawful Development Certificate

4. 26 Jul 2026

   Added to PlanIndex

Watford granted permission on 24 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 77 Cassiobury Park Avenue Watford WD18 7LD

  25/00426/FULH Submitted 2 May 2025 50 yards away

  Erection of a single storey rear extension.

  Granted Householder Extension 5 docs
  Small domestic

• 71 Cassiobury Park Avenue Watford WD18 7LD

  24/00299/HPD Submitted 27 Mar 2024 50 yards away

  The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6.00m for which the maximum height would be 3.20m and for which the height of the eaves would be 3.00m

  Granted Prior approval Extension 4 docs
  Small domestic

• 85 Cassiobury Park Avenue Watford WD18 7LH

  21/01599/LDC Submitted 29 Oct 2021 50 yards away

  Lawful development certificate for proposed hip to gable loft conversion with rear dormer, obscured gable window and 3x rooflights

  Granted Lawful development Loft or dormer Windows or glazing 11 docs

• 80 Cassiobury Park Avenue Watford WD18 7LF

  22/00072/FULH Submitted 19 Jan 2022 50 yards away

  Demolition of existing detached garage, erection of part single storey, part two storey side and rear extensions and entrance porch to front elevation

  Granted Householder Extension Demolition 5 docs
  Small domestic

• 65 Cassiobury Park Avenue Watford WD18 7LD

  24/00168/LDC Submitted 27 Feb 2024 50 yards away

  Lawful Development Certificate for a loft extension.

  Granted Lawful development Extension Loft or dormer 13 docs

• 63 Cassiobury Park Avenue Watford WD18 7LD

  24/00059/HPD Submitted 25 Jan 2024 50 yards away

  The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 4.20m for which the maximum height would be 3.00m and for which the height of the eaves would be 2.60m

  Granted Prior approval Extension 4 docs
  Small domestic

• 26/00672/LDC Granted

  84 North Western Avenue Watford WD25 0AJ

  Lawful development certificate for proposed single storey rear extension

  Received 24 Aug, published by the council 14 Sep 2026 Lawful development
• 26/00714/LDC Awaiting decision

  25 Westbury Road Watford Hertfordshire WD18 0DL

  Lawful development certificate for proposed loft conversion including rear dormer and x front rooflights

  Received 8 Sep, published by the council 14 Sep 2026 Lawful development
• 26/00704/LDC Awaiting decision

  268 Hempstead Road Watford WD17 4LY

  Lawful development certificate for proposed hip to gable loft conversion to extend main ridge line and rear dormer

  Received 4 Sep, published by the council 14 Sep 2026 Lawful development
• 26/00605/LDC Granted

  503 Whippendell Road Watford WD18 7QB

  Lawful Development Certificate for existing use of hip to gable loft conversion including rear dormer, roof extension and x2 front roof lights

  Received 3 Aug, published by the council 9 Aug 2026 Lawful development
• 26/00700/LDC Awaiting decision

  13 Orchard Close Watford WD17 3DU

  Lawful Development Certificate for a hip to gable loft conversion with three skylights on the front slope.

  Received 3 Sep, published by the council 8 Sep 2026 Lawful development