12 Ardross Avenue Northwood HA6 3DS

1. 16 Sep 2024

   Received by Three Rivers

2. 26 Sep 2024

   Validated

   Checked as complete and ready for consideration.

3. 31 Oct 2024

   Decision issued: approved

4. 17 Sep 2026

   Added to PlanIndex

Three Rivers granted permission on 31 October 2024, 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.

• 6 Holbein Gate Northwood Hertfordshire HA6 3SH

  23/0101/CLPD Submitted 20 Jan 2023 50 yards away

  Certificate of Lawfulness Proposed Development: Construction of an outbuilding

  Granted Lawful development 10 docs

• 6 Holbein Gate Northwood HA6 3SH

  24/0763/RSP Submitted 10 May 2024 50 yards away

  Retrospective: Installation of rooflight and alterations to fenestration.

  Granted Amendments Loft or dormer Windows or glazing 17 docs

• 6 Holbein Gate Northwood HA6 3SH

  21/0566/FUL Submitted 5 Mar 2021 50 yards away

  Front porch extension, single story side and rear extensions, garage conversion into habitable space, first floor side and rear extension including extension to roof, loft conversion including insertion of two dormer windows in rear roofslope and front rooflights

  Withdrawn Full applications Extension Loft or dormer +1 19 docs
  Small domestic

• 17 Ardross Avenue Northwood HA6 3DS

  23/1980/RSP Submitted 22 Nov 2023 50 yards away

  Part Retrospective: Construction of first floor side and rear extension including juliet balconies and alterations to roof including removal of existing dormers and chimneys and extension to roof form, rooflights and conversion of garage into habitable accommodation including a new pitched roof, alterations to fenestration and alterations to frontage to provide additional parking

  Granted Amendments Extension Loft or dormer +2 19 docs

• 60 Eastbury Road Northwood HA6 3AW

  24/0654/FUL Submitted 22 Apr 2024 100 yards away

  Conversion of existing garage into habitable accommodation.

  Granted Full applications 17 docs

• 60 Eastbury Road Northwood HA6 3AW

  24/0247/FUL Submitted 15 Feb 2024 100 yards away

  Construction of single storey rear extension

  Granted Full applications Extension 15 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