40 Garston Lane Watford WD25 9QL

1. 11 Mar 2026

   Received by Watford

2. 12 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Apr 2026

   Decision issued: Grant Lawful Development Certificate

4. 9 Aug 2026

   Added to PlanIndex

Watford granted permission on 24 April 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.

• 28 Garston Lane Watford WD25 9QL

  22/00452/FULH Submitted 4 Apr 2022 50 yards away

  Demolish existing garage and erect single storey rear and side extension including fenestration alterations

  Granted Householder Extension Demolition +1 10 docs
  Small domestic

• 54 Garston Lane Watford Hertfordshire WD25 9QL

  22/00201/LDC Submitted 16 Feb 2022 50 yards away

  Lawful Development Certificate for an erection of detached outbuilding.

  Granted Lawful development 4 docs

• 54 Garston Lane Watford WD25 9QL

  19/00142/HPD Submitted 5 Feb 2019 50 yards away

  The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 5.8m for which the maximum height would be 3.7m and for which the height of the eaves would be 2.8m

  Granted Prior approval Extension 5 docs
  Small domestic

• 56 Garston Lane Watford WD25 9QL

  22/00282/LDC Submitted 3 Mar 2022 50 yards away

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

  Granted Lawful development Loft or dormer 9 docs

• 58 Garston Lane Watford WD25 9QL

  24/01019/LDC Submitted 5 Nov 2024 50 yards away

  Lawful Development Certificate for proposed hip to gable loft conversion including rear dormer with juliette balcony and 2x front rooflights

  Refused Lawful development Loft or dormer 9 docs

• 58 Garston Lane Watford WD25 9QL

  22/00767/FULH Submitted 9 Jun 2022 50 yards away

  Demolition of garage and construction of a new garage.

  Granted Householder Demolition 6 docs
  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