19 Cardinal Avenue Borehamwood Hertfordshire WD6 1EN

1. 5 Nov 2024

   Received by Hertsmere

2. 18 Dec 2024

   Decision issued: Grant Permission

3. 5 Sep 2026

   Added to PlanIndex

Hertsmere granted permission on 18 December 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 26 Whitehouse Avenue Borehamwood WD6 1HD

  TP/10/0147 Submitted 5 Mar 2010 50 yards away

  Loft extension and hard standing (Lawful Development Certificate for Proposed use).

  Granted Lawful development Extension Loft or dormer 22 docs

• 34 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HD

  21/0855/CLP Submitted 20 Apr 2021 100 yards away

  Conversion of loft to habitable room with rear dormer, 2 rooflights to front and change in roof shape from hipped to gable. Certificate of lawfulness (Proposed).

  Granted Lawful development Loft or dormer 8 docs

• 8 Cardinal Avenue Borehamwood Hertfordshire WD6 1EP

  21/1342/PD42 Submitted 25 Jun 2021 100 yards away

  Construction of single storey rear extension. Depth 6m, Height 2.9m, Eaves 2.7m.

  Granted Prior approval Extension 6 docs
  Small domestic

• 8 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HD

  14/0216/CLP Submitted 18 Feb 2014 100 yards away

  Single storey side and rear extensions, front porch, conversion of garage to habitable accommodation and loft conversion with dormer to rear. (Application for Certificate of Lawful Development - Proposed)

  Refused Lawful development Extension Loft or dormer 5 docs
  Small domestic

• 2 Cardinal Avenue Borehamwood Hertfordshire WD6 1EP

  21/1352/HSE Submitted 28 Jun 2021 100 yards away

  Single storey rear extension.

  Granted Householder Extension 16 docs
  Small domestic

• 2 Cardinal Avenue Borehamwood Hertfordshire WD6 1EP

  21/1353/CLP Submitted 28 Jun 2021 100 yards away

  Conversion of loft to habitable room with rear dormer, change in roof from hipped to gable and erection of front porch. Certificate of lawfulness (Proposed).

  Granted Lawful development Extension Loft or dormer 17 docs
  Small domestic

• 26/0805/HSE Granted

  Rydal Mount Lodge Baker Street Potters Bar Hertfordshire EN6 2BP

  Demolition of existing conservatory to facilitate construction of single storey rear extension and front porch extension.

  Received 10 Jun, published by the council 24 Jul 2026 Householder
• 26/1218/HSE Refused

  22 The Grove Radlett Hertfordshire WD7 7NF

  Conversion of garage to habitable space with window to replace garage door and new pitched roof, construction of first floor side extension and part single, part two storey rear extension with insertion of 1x side rooflight, alterations to fenestration and front hard landscaping.

  Received 24 Aug, published by the council 1 Sep 2026 Householder
• 26/1253/HSE Granted

  159 Arundel Drive Borehamwood Hertfordshire WD6 2LZ

  Construction of single storey rear extension with pitched roof and 3x rooflights, and alterations to fenestration.

  Received 28 Aug, published by the council 4 Sep 2026 Householder
• 26/1250/HSE Granted

  3 The Walk Potters Bar Hertfordshire EN6 1QL

  Single storey side extension following demolition of existing detached garage and shed.

  Received 28 Aug, published by the council 4 Sep 2026 Householder
• 26/1075/HSE Granted

  7 Belmor Elstree Borehamwood Hertfordshire WD6 3JX

  Proposed boundary treatments to the rear of the property including replacement fence.

  Received 31 Jul, published by the council 12 Aug 2026 Householder