57 Mildred Avenue Watford WD18 7DU

1. 6 Aug 2021

   Received by Watford

2. 23 Sep 2021

   Decision issued: Grant Lawful Development Certificate

3. 25 Sep 2026

   Added to PlanIndex

Watford granted permission on 23 September 2021, 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.

• 47 Mildred Avenue Watford WD18 7DU

  25/00624/FULH Submitted 3 Jul 2025 50 yards away

  Erection of a single storey side extension. Demolish exiting temporary side storage.

  Granted Householder Extension Demolition 5 docs
  Small domestic

• 45 Mildred Avenue Watford WD18 7DU

  20/00252/LDC Submitted 2 Mar 2020 50 yards away

  Lawful Development Certificate to extend roof with dormer to rear. Rooflights to front. New windows and doors to ground floor.

  Granted Lawful development Loft or dormer Windows or glazing 8 docs

• 40 Kensington Avenue Watford WD18 7RY

  20/00478/HPD Submitted 15 May 2020 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 5 docs
  Small domestic

• 40 Kensington Avenue Watford WD18 7RY

  20/00444/HPD Submitted 29 Apr 2020 50 yards away

  The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 4.8m and 6.0m for which the maximum height would be 3.5m and for which the height of the eaves would be 2.9m

  Refused Prior approval Extension 4 docs
  Small domestic

• 80 Mildred Avenue Watford WD18 7DX

  19/00614/FULH Submitted 30 May 2019 50 yards away

  Roof alterations to existing rear projections and extended patio area.

  Granted Householder Roofing 5 docs
  Domestic

• 94 Mildred Avenue Watford WD18 7DX

  20/00479/FULH Submitted 18 May 2020 50 yards away

  Demolition of existing sunroom and erection of a part single storey and part two storey rear extension with side and rear canopy.

  Granted Householder Extension Demolition 6 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