25/00426/FULH

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: Conditional Planning Permission

4. 26 Jul 2026

   Added to PlanIndex

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

• 25/00425/LDC Granted

  77 Cassiobury Park Avenue Watford WD18 7LD

  Lawful Development Certificate for roof alterations including hip to gable alterations and construction of rear dormer window and velux windows to front elevation.

  2 May 2025 0m away Lawful development
• 23/01130/HPD Refused

  63 Cassiobury Park Avenue Watford WD18 7LD

  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 3.20m and for which the height of the eaves would be 3.10m

  7 Dec 2023 65m away Prior approval
• 22/00456/LDC Granted

  88 Cassiobury Park Avenue Watford Hertfordshire WD18 7LF

  Lawful development certificate of proposed erection of single storey side extension on existing detached garage

  5 Apr 2022 81m away Lawful development
• 20/00836/LDC Granted

  2 Swiss Avenue Watford WD18 7LN

  Lawful development certificate for hip to gable loft conversion, including rear dormer and front roof light

  10 Aug 2020 84m away Lawful development
• 25/00606/LBC Granted

  Watford Underground Station Cassiobury Park Avenue Watford WD18 7LE

  Listed Building Consent for alterations to mens and womens station toilets to improve accessibility (Amended description)

  27 Jun 2025 87m away Heritage and listed buildings
• 23/00984/HPD Granted

  94 Cassiobury Park Avenue Watford WD18 7LF

  The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 5.0m for which the maximum height would be 4.0m and for which the height of the eaves would be 2.40m

  27 Oct 2023 126m away Prior approval

• 26/00582/FULH Awaiting decision

  23 Westlea Avenue Watford WD25 9DH

  Erection of single story side extension and front porch extension

  28 Jul 2026 Householder
• 26/00578/FULH Awaiting decision

  149 Rickmansworth Road Watford WD18 7FH

  Erection of a single storey side and dormer roof extension comprising of new side Dutch gable to match 149a Rickmansworth Road.

  27 Jul 2026 Householder
• 26/00576/FULH Awaiting decision

  86 Fourth Avenue Watford Hertfordshire WD25 9QQ

  (Retrospective) Erection of a single-storey outbuilding with a flat roof. The maximum overall height of the building is 2,850 mm.

  27 Jul 2026 Householder
• 26/00449/FULH Refused

  61 Park Road Watford WD17 4QJ

  Erection of a first-floor extension over the existing flat roof (incorporating the scheme previously approved under ref: 26/00051/VAR) alongside a new loft conversion to provide additional habitable accommodation

  15 Jun 2026 Householder
• 26/00413/FULH Decided

  48 Meadow Road Watford WD25 0JA

  Erection of a single storey side extension.

  2 Jun 2026 Householder