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

• 9 Brookmill Close Oxhey Hall WD19 4BB

  20/0078/FUL Submitted 15 Jan 2020 50 yards away

  Loft conversion including hip to gable roof alterations, second floor front extension and rear dormer window

  Refused Full applications Extension Loft or dormer +2 8 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  Withdrawn Lawful development Extension 7 docs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

• 26/1382/CLPD Awaiting decision

  1 Wyatts Lodge Solesbridge Lane Chorleywood Rickmansworth Hertfordshire WD3 5SW

  Certificate of Lawfulness Proposed Development: Installation of external heating and cooling pump

  Received 31 Aug, published by the council 7 Sep 2026 Lawful development
• 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
• 26/0460/CLED Granted

  Annexe Hart Hall Hyde Lane Nash Mills Hemel Hempstead Hertfordshire HP3 8SA

  Certificate of Lawfulness Existing Use: Use of annexe as an independent dwelling

  Received 19 Mar, published by the council 24 Jul 2026 Lawful development