45 Colne Avenue Watford WD19 4JF

1. 26 Mar 2021

   Received by Watford

2. 7 May 2021

   Decision issued: Grant Lawful Development Certificate

3. 9 Aug 2026

   Added to PlanIndex

Watford granted permission on 7 May 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.

• 45 Colne Avenue Watford Hertfordshire WD19 4JF

  21/00461/HPD Submitted 26 Mar 2021 50 yards away

  The erection of single storey rear extension which would extend beyond the rear wall of the original house by 5.99m for which the maximum height would be 2.99m and for which the height of the eaves would be 2.99

  Granted Prior approval Extension 9 docs
  Small domestic

• 40 Blackwell Drive Watford Hertfordshire WD19 4HW

  21/00433/HPD Submitted 23 Mar 2021 50 yards away

  The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 4.5m for which the maximum height would be 3.8m and for which the height of the eaves would be 2.8m

  Refused Prior approval Extension 9 docs
  Small domestic

• 45 Blackwell Drive Watford WD19 4HP

  21/01609/FULH Submitted 1 Nov 2021 100 yards away

  Demolition of existing conservatory, erection of single storey rear extension with part sedum roof, and installation of external solid wall thermal insulation to all elevations (AMENDED DESCRIPTION)

  Refused Householder Extension Demolition 6 docs
  Small domestic

• 45 Blackwell Drive Watford Hertfordshire WD19 4HP

  22/00343/FULH Submitted 15 Mar 2022 100 yards away

  The demolition of the existing conservatory structure and the erection of a single storey rear extension with internal side alteration. Improvements to the thermal performance of the building, though the use of over clad external solid wall insulation to all elevations

  Granted Householder Extension Demolition 6 docs
  Small domestic

• 1 The Coppice Watford WD19 4HR

  24/00332/FULH Submitted 8 Apr 2024 100 yards away

  Part retrospective conversion of garage/office to a home office/gym and alterations to remove existing kitchenette and internal wall.

  Granted Householder 15 docs
  Domestic

• 1 The Coppice Watford Hertfordshire WD19 4HR

  22/01270/LDC Submitted 31 Oct 2022 100 yards away

  Lawful development certificate for proposed conversion of a single family dwelling into a 6-Person house in multiple occupation (HMO)

  Granted Lawful development 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