100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA

This site has had 6 applications since 2024: 2 approved, 2 refused.

• 26/1275/FUL Awaiting decision

  100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA

  Construction of single storey rear extension; construction of new front porch; hip to gable roof extension with increase in ridge height and removal of chimneys; raised patio; internal alterations and alterations to fenestration.

  Submitted 10 Aug 2026 Full applications
• 25/1627/FUL Refused

  100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA

  Demolition of existing garage and construction of single storey rear extension and raised rear patio with stepped access and glass balustrading, erection of front porch

  Decided 26 Nov 2025 Full applications
• 25/1116/FUL Refused

  100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA

  Construction of single storey rear extension, with alterations to rear patio including glass balustrading and steps; installation of 3 no. windows to side elevation

  Decided 15 Sep 2025 Full applications
• 25/1087/FUL Withdrawn

  100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA

  Loft conversion including hip-to-gable roof extension with rear dormer including Juliet Balcony, front dormer windows, erection of front porch

  Decided 15 Sep 2025 Full applications
• 24/0600/FUL Granted

  100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA

  Demolition of existing garage; construction of single storey rear extension with raised rear patio; loft conversion including increase in ridge height with hip to gable roof extension; alterations to driveway.

  Decided 19 Jun 2024 Full applications

1. 17 Sep 2025

   Received by Three Rivers

2. 10 Nov 2025

   Decision issued: approved

3. 19 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 10 November 2025, 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.

• 100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA

  25/1627/FUL Submitted 22 Sep 2025 50 yards away

  Demolition of existing garage and construction of single storey rear extension and raised rear patio with stepped access and glass balustrading, erection of front porch

  Refused Full applications Extension Demolition 17 docs
  Small domestic

• 100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA

  26/1275/FUL Submitted 10 Aug 2026 50 yards away

  89% historically approved · decision due ~16 Oct

  Construction of single storey rear extension; construction of new front porch; hip to gable roof extension with increase in ridge height and removal of chimneys; raised patio; internal alterations and alterations to fenestration.

  Awaiting decision Full applications Extension Loft or dormer +2 19 docs
  Small domestic

• 100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA

  24/0600/FUL Submitted 15 Apr 2024 50 yards away

  Demolition of existing garage; construction of single storey rear extension with raised rear patio; loft conversion including increase in ridge height with hip to gable roof extension; alterations to driveway.

  Granted Full applications Extension Loft or dormer +2 16 docs
  Small domestic

• 100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA

  25/1116/FUL Submitted 30 Jun 2025 50 yards away

  Construction of single storey rear extension, with alterations to rear patio including glass balustrading and steps; installation of 3 no. windows to side elevation

  Refused Full applications Extension Windows or glazing 18 docs
  Small domestic

• 100 Penrose Avenue Carpenders Park Watford Hertfordshire WD19 5AA

  25/1087/FUL Submitted 25 Jun 2025 50 yards away

  Loft conversion including hip-to-gable roof extension with rear dormer including Juliet Balcony, front dormer windows, erection of front porch

  Withdrawn Full applications Extension Loft or dormer +1 18 docs
  Small domestic

• 108 Penrose Avenue Carpenders Park Hertfordshire WD19 5AA

  22/1842/RSP Submitted 4 Oct 2022 50 yards away

  Retrospective: Construction of steps and raised decking over existing rear patio

  Granted Amendments 9 docs

• 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