503 Whippendell Road Watford WD18 7QB

This site has had 2 applications since 2019: 1 approved, 1 refused.

• 19/00120/FULH Refused

  503 Whippendell Road Watford WD18 7QB

  Erection of two storey side to rear extension

  Decided 15 Mar 2019 Householder

1. 3 Aug 2026

   Received by Watford

2. 9 Aug 2026

   Added to PlanIndex

3. 3 Sep 2026

   Decision issued: Grant Lawful Development Certificate

Watford granted permission on 3 September 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.

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.

• 503 Whippendell Road Watford WD18 7QB

  19/00120/FULH Submitted 1 Feb 2019 50 yards away

  Erection of two storey side to rear extension

  Refused Householder Extension 7 docs
  Domestic

• 511 Whippendell Road Watford Hertfordshire WD18 7QB

  22/00277/LDC Submitted 2 Mar 2022 50 yards away

  Lawful Development Certificate for a hip to gable roof alteration and provision of rear dormer.

  Granted Lawful development Loft or dormer 6 docs

• 100 Sydney Road Watford WD18 7QX

  24/00518/LDC Submitted 31 May 2024 50 yards away

  Lawful development certificate for proposed loft conversion including rear dormer and x2 front roof lights

  Refused Lawful development Loft or dormer 9 docs

• 100 Sydney Road Watford WD18 7QX

  24/00519/HPD Submitted 31 May 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 3.05m and for which the height of the eaves would be 3.00m

  Granted Prior approval Extension 8 docs
  Small domestic

• 21 The Gateway Watford Hertfordshire WD18 7HW

  22/00889/LDC Submitted 11 Jul 2022 50 yards away

  Lawful Development Certificate for installation of solar panels on the roof of the building.

  Refused Lawful development 10 docs

• 499 Whippendell Road Watford WD18 7PN

  23/00754/LDC Submitted 28 Aug 2023 50 yards away

  Lawful Development Certificate for proposed two storey rear extension, single storey side extension and front porch.

  Refused Lawful development Extension 13 docs
  Small domestic

• 26/00740/LDC Granted

  344 Hagden Lane Watford WD18 7SH

  Lawful development certificate for proposed erection of outbuilding (12mx5m) at the South-West corner of the rear garden

  Received 21 Sep, published by the council 1 Oct 2026 Lawful development
• 26/00763/LDC Awaiting decision

  134 Balmoral Road Watford WD24 4ET

  Lawful Development Certificate for proposed hip to gable loft conversion including rear dormer and x2 front roof lights.

  Received 29 Sep, published by the council 7 Oct 2026 Lawful development
• 26/00755/LDC Awaiting decision

  498 Whippendell Road Watford WD18 7QJ

  Lawful Development Certificate for a loft conversion with rear dormer window.

  Received 28 Sep, published by the council 7 Oct 2026 Lawful development
• 26/00579/LDC Refused

  37 Harford Drive Watford Hertfordshire WD17 3DQ

  Lawful development certificate for proposed erection of garden outbuilding for storage/office use and alterations to existing front porch

  Received 27 Jul, published by the council 9 Aug 2026 Lawful development
• 26/00618/LDC Granted

  8 Woodhurst Avenue Watford WD25 9RQ

  Lawful Development Certificate for a hip-to-gable roof extension and rear dormer to facilitate a loft conversion, including associated roof alterations and windows/roof lights.

  Received 10 Aug, published by the council 16 Aug 2026 Lawful development