111 Greenfield Avenue Carpenders Park Watford Hertfordshire WD19 5DG

1. 13 Nov 2025

   Received by Three Rivers

2. 6 Jan 2026

   Decision issued: approved

3. 19 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 6 January 2026, 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.

• 111 Greenfield Avenue Carpenders Park WD19 5DG

  20/1844/CLPD Submitted 6 Sep 2020 50 yards away

  Certificate of Lawfulness Proposed Development: Erection of a single storey rear extension

  Granted Lawful development Extension 8 docs
  Small domestic

• 109 Greenfield Avenue Carpenders Park Watford Hertfordshire WD19 5DG

  26/1328/FUL Submitted 19 Aug 2026 50 yards away

  89% historically approved · decision due ~28 Oct

  Construction of single storey rear extension including an extension to the existing roof and the insertion of dormers to the front, sides and rear, single storey front infill extension, increase in land levels to the front and construction of a raised patio to rear

  Awaiting decision Full applications Extension Loft or dormer 9 docs
  Small domestic

• 154 Greenfield Avenue Carpenders Park Watford Hertfordshire WD19 5DQ

  26/1255/PDE Submitted 5 Aug 2026 50 yards away

  Prior Approval: Single storey rear extension (depth 8.00 metres, maximum height 3.00 metres, maximum eaves height 2.90 metres)

  Granted Extension
  Small domestic

• 126 Greenfield Avenue Carpenders Park Watford Hertfordshire WD19 5DQ

  25/1940/FUL Submitted 10 Nov 2025 50 yards away

  Construction of single storey front, side and rear extensions and lower ground floor extension; loft conversion with roof extension including front and rear dormers and side rooflights; installation of window to side elevation

  Refused Full applications Extension Loft or dormer +1 12 docs
  Small domestic

• 108 Greenfield Avenue Carpenders Park WD19 5DQ

  19/0445/FUL Submitted 7 Mar 2019 50 yards away

  Single storey rear extension

  Granted Full applications Extension 10 docs
  Small domestic

• 126 Greenfield Avenue Carpenders Park Watford Hertfordshire WD19 5DQ

  25/1311/FUL Submitted 4 Aug 2025 100 yards away

  Construction of single storey rear extension

  Granted Full applications Extension 10 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