1 Avalon Close Garston Hertfordshire WD25 9TW

1. 3 Feb 2022

   Received by Three Rivers

2. 3 Mar 2022

   Decision issued: approved

3. 19 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 3 March 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 Avalon Close Garston WD25 9TW

  21/0753/CLPD Submitted 24 Mar 2021 50 yards away

  Certificate of Lawfulness Proposed Development: Single storey rear extension

  Granted Lawful development Extension 5 docs
  Small domestic

• Westport House 78 Bucknalls Lane Garston Hertfordshire WD25 9JQ

  22/0232/FUL Submitted 14 Feb 2022 50 yards away

  Single storey side/rear extension

  Granted Full applications Extension 9 docs
  Small domestic

• Westport House 78 Bucknalls Lane Garston WD25 9JQ

  21/2819/CLPD Submitted 13 Dec 2021 50 yards away

  Certficate of Lawfulness Proposed Development: Single storey side extension

  Withdrawn Lawful development Extension 5 docs
  Small domestic

• 68 Bucknalls Lane Garston Watford Hertfordshire WD25 9JQ

  25/0838/FUL Submitted 14 May 2025 50 yards away

  Part Retrospective: demolition of existing garage; and construction of single storey side and rear extension, front extension and new roof over existing bay window.

  Granted Full applications Extension Roofing +2 12 docs
  Small domestic

• 13 Avalon Close Garston Watford Hertfordshire WD25 9TW

  25/1635/CLPD Submitted 23 Sep 2025 100 yards away

  Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer with juliet balconies and window, and front rooflights.

  Granted Lawful development Loft or dormer Windows or glazing 14 docs

• 13 Avalon Close Garston Hertfordshire WD25 9TW

  22/2142/FUL Submitted 17 Nov 2022 100 yards away

  Demolition of existing front porch and construction of part single, part two-storey rear extension and single storey front extension linking dwelling to garage; garage extension and relocation of entrance door; internal alterations and new window to the side elevation

  Granted Full applications Extension Demolition +1 18 docs
  Small domestic

• 26/1409/CLED Awaiting decision

  44 Wolsey Road Moor Park Northwood Hertfordshire HA6 2EN

  Certificate of Lawfulness Existing Development: Construction of an outbuilding

  Received 3 Sep, published by the council 7 Sep 2026 Lawful development
• 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