1 Sixth Avenue Watford WD25 9QA

1. 1 May 2026

   Received by Watford

2. 11 Jun 2026

   Decision issued: Grant HPD Prior Approval

3. 9 Aug 2026

   Added to PlanIndex

Watford granted permission on 11 June 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 1 Sixth Avenue Watford Hertfordshire WD25 9QA

  22/00690/LDC Submitted 24 May 2022 50 yards away

  Lawful Development Certificate for loft conversion with gable end and rear dormer with rooflights to the front. Loft conversion under 50cm3

  Granted Lawful development Loft or dormer 13 docs

• 3 Sixth Avenue Watford WD25 9QA

  23/00493/LDC Submitted 5 Jun 2023 50 yards away

  Lawful Development Certificate for erection of outbuilding

  Granted Lawful development 9 docs

• 29 Sixth Avenue Watford Hertfordshire WD25 9QA

  21/00837/HPD Submitted 28 May 2021 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 3.50m and for which the height of the eaves would be 2.50m

  Granted Prior approval Extension 4 docs
  Small domestic

• 27 Sixth Avenue Watford WD25 9QA

  21/00285/FULH Submitted 26 Feb 2021 50 yards away

  Erection of double storey side extension, single front/porch, and insertion of skylights into existing ground floor roof with raised ridge

  Refused Householder Extension 13 docs
  Small domestic

• 19 Sixth Avenue Watford Hertfordshire WD25 9QA

  23/00270/FULH Submitted 28 Mar 2023 50 yards away

  Erection of two storey rear and side extension with hipped roof.

  Granted Householder Extension 15 docs
  Domestic

• 57 Kilby Close Watford Hertfordshire WD25 9FJ

  25/00601/FUL Submitted 25 Jun 2025 50 yards away

  Remove existing x1 rear window to create new opening to install new back door and new window to the side of door

  Granted Full applications Windows or glazing 10 docs

• 26/00781/HPD Awaiting decision

  50 Butterwick Watford Hertfordshire WD25 9SD

  The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6.0m for which the maximum height would be 3.0m and for which the height of the eaves would be 2.70m.

  Received 5 Oct, published by the council 7 Oct 2026 Prior approval
• 26/00777/HPD Awaiting decision

  984 St Albans Road Watford WD25 9NP

  The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6.0m for which the maximum height would be 3.0m and for which the height of the eaves would be 3.0m

  Received 2 Oct, published by the council 7 Oct 2026 Prior approval
• 26/00660/HPD Granted

  12 Kingswood Road Watford Hertfordshire WD25 0EE

  The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 4.50m for which the maximum height would be 4m and for which the height of the eaves would be 3m

  Received 20 Aug, published by the council 22 Aug 2026 Prior approval
• 26/00617/AAPA Refused

  Hanover Court 85 - 87 King Georges Avenue Watford WD18 7QE

  Notification of prior approval for upward extension above existing block of flats to provide x3 new flats

  Received 10 Aug, published by the council 15 Aug 2026 Prior approval
• 26/00769/HPD Awaiting decision

  18 Hazel Tree Road Watford Hertfordshire WD24 6RQ

  The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6m for which the maximum height would be 3.3m and for which the height of the eaves would be 3m

  Received 30 Sep, published by the council 7 Oct 2026 Prior approval