17 Hillingdon Road Watford WD25 0JQ

1. 24 Dec 2019

   Received by Watford

2. 26 Feb 2020

   Decision issued: Refuse Lawful Development Certificate

3. 22 Aug 2026

   Added to PlanIndex

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

• 19 Hillingdon Road Watford Hertfordshire WD25 0JQ

  25/00160/FULH Submitted 24 Feb 2025 7m away

  Erection of a single storey rear/side extension

  Decided Householder Extension 8 docs
  Small domestic

• 11 Hillingdon Road Watford Hertfordshire WD25 0JQ

  18/01073/HPD Submitted 20 Aug 2018 21m away

  Erection of a single storey rear extension which would extend beyond the rear wall of the original house by 3.6m, for which the maximum height would be 3.049m, and for which the height of the eaves would be 2.849m

  Granted Prior approval Extension 4 docs
  Small domestic

• 62 Kingswood Road Watford WD25 0EF

  21/00508/FULH Submitted 6 Apr 2021 44m away

  Erection of a single storey rear extension

  Decided Householder Extension 8 docs
  Small domestic

• 14 Hillingdon Road Watford WD25 0JG

  19/01484/FULH Submitted 30 Dec 2019 49m away

  Retrospective planning permission for additional height of front ridge

  Decided Householder 6 docs
  Domestic

• 38 Kingswood Road Watford Hertfordshire WD25 0EF

  24/00343/FULH Submitted 11 Apr 2024 55m away

  Erection of single storey wrap around side and rear extension

  Decided Householder Extension 5 docs
  Small domestic

• 38 Kingswood Road Watford Hertfordshire WD25 0EF

  24/00342/LDC Submitted 11 Apr 2024 55m away

  Lawful Development Certificate for loft conversion including hip to gable and rear roof extensions with three front roof lights.

  Granted Lawful development Extension Loft or dormer 6 docs

• 26/00700/LDC Awaiting decision

  13 Orchard Close Watford WD17 3DU

  Lawful Development Certificate for a hip to gable loft conversion with three skylights on the front slope.

  3 Sep 2026 Lawful development
• 26/00494/LDC Refused

  204A St Albans Road Watford WD24 4AS

  Lawful development certificate for existing use of the first and second floors as two separate self-contained residential dwellings (Use Class C3), each comprising independent living accommodation, kitchen facilities, bathroom facilities and ancillary storage, with access provided via the existing external rear staircase

  29 Jun 2026 Lawful development
• 26/00531/LDC Granted

  1014 St Albans Road Watford WD25 9NP

  Lawful development certificate for proposed hip to gable roof extension and loft conversion

  10 Jul 2026 Lawful development
• 26/00549/LDC Granted

  4 Field Road Watford WD19 4DR

  Lawful Development Certificate to replace single storey rear extension.

  17 Jul 2026 Lawful development
• 26/00659/LDC Awaiting decision

  38 Talbot Avenue Watford WD19 4AX

  Lawful development certificate for proposed demolition of existing rear extension and erection of single storey rear extension

  20 Aug 2026 Lawful development