1 Silk Mill Road Oxhey Hall Hertfordshire WD19 4JW

1. 25 May 2022

   Received by Three Rivers

2. 7 Jul 2022

   Decision issued: approved

3. 30 Jul 2026

   Added to PlanIndex

Three Rivers granted permission on 7 July 2022, 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.

• 1 Silk Mill Road Oxhey Hall Watford Hertfordshire WD19 4JW

  22/0703/PDE Submitted 11 Apr 2022 50 yards away

  Prior Approval: Single storey rear extension (depth 4.80 metres, maximum height 3.05 metres, maximum eaves height 2.95 metres)

  Granted Outline Extension 7 docs
  Small domestic

• 11 Brookmill Close Oxhey Hall Hertfordshire WD19 4BB

  22/2355/FUL Submitted 21 Dec 2022 50 yards away

  Demolition of existing conservatory/garage and construction of part single, part two storey side to rear extension

  Granted Full applications Extension Demolition 8 docs

• 12 Brookmill Close Oxhey Hall Watford Hertfordshire WD19 4BB

  23/0967/CLPD Submitted 12 Jun 2023 50 yards away

  Certificate of Lawfulness Proposed Development: Removal of existing lawn, concrete slabs and tarmac to front of property and replacement with paving.

  Granted Lawful development 5 docs

• 4 Silk Mill Road Oxhey Hall Watford Hertfordshire WD19 4TY

  25/0622/FUL Submitted 3 Apr 2025 50 yards away

  Front extension to form porch; first floor rear extension and loft conversion including rear dormer and front rooflights

  Granted Full applications Extension Loft or dormer 11 docs
  Small domestic

• 5 The Willows Oxhey Hall Watford Hertfordshire WD19 4QB

  24/1696/CLPD Submitted 22 Oct 2024 100 yards away

  Certificate of Lawfulness Proposed Development: Construction of single storey rear extension.

  Withdrawn Lawful development Extension 7 docs
  Small domestic

• 30 Waterman Close Watford Hertfordshire WD19 4JD

  25/00401/FULH Submitted 25 Apr 2025 100 yards away

  Erection of single storey ground floor rear extension

  Granted Householder Extension 6 docs
  Small domestic

• 26/1035/CLPD Granted

  90 Sherborne Way Croxley Green Rickmansworth Hertfordshire WD3 3PG

  Certificate of Lawfulness Proposed Development: lLoft conversion including hip to gable extension, rear dormer, and front rooflights and window to side elevation.

  Received 25 Jun, published by the council 24 Jul 2026 Lawful development
• 26/1004/CLPD Granted

  39 Bishops Avenue Northwood HA6 3DD

  Certificate of Lawfulness Proposed Development: Conversion of garage to habitable accommodation

  Received 19 Jun, published by the council 24 Jul 2026 Lawful development
• 26/0973/CLPD Granted

  125 Windmill Drive Croxley Green Rickmansworth Hertfordshire WD3 3FB

  Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer and front rooflights.

  Received 15 Jun, published by the council 24 Jul 2026 Lawful development
• 26/1268/CLPD Awaiting decision

  36 Bishops Avenue Northwood HA6 3DG

  Certificate of Lawfulness Proposed Development: Construction of outbuilding

  Received 7 Aug, published by the council 8 Aug 2026 Lawful development
• 26/1261/CLPD Awaiting decision

  4A Parkside Road Northwood HA6 3HL

  Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer window and installation of rooflights

  Received 5 Aug, published by the council 8 Aug 2026 Lawful development