26 Tennison Avenue Borehamwood Hertfordshire WD6 2BE

1. 17 Jan 2023

   Received by Hertsmere

2. 21 Feb 2023

   Decision issued: Grant Permission

3. 9 Aug 2026

   Added to PlanIndex

Hertsmere granted permission on 21 February 2023, 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.

• 34 Tennison Avenue Borehamwood Hertfordshire WD6 2BE

  23/0114/HSE Submitted 24 Jan 2023 50 yards away

  Installation of solar panels to the front and rear of the dwelling.

  Refused Householder 10 docs
  Domestic

• 34 Tennison Avenue Borehamwood Hertfordshire WD6 2BE

  23/0432/CLP Submitted 20 Mar 2023 50 yards away

  Installation of solar panels on the front of the roofslope - Certificate of Lawful Development (Proposed).

  Granted Lawful development 6 docs

• 34 Tennison Avenue Borehamwood Hertfordshire WD6 2BE

  23/0433/HSE Submitted 20 Mar 2023 50 yards away

  Installation of 8 solar panels on the rear ground floor flat roof.

  Granted Householder 9 docs
  Domestic

• 33 Melrose Avenue Borehamwood Hertfordshire WD6 2BH

  26/0459/HSE Submitted 7 Apr 2026 50 yards away

  Demolition of rear conservatory, construction of part single, part two storey rear extension; partial conversion of garage to habitable space with window and door to replace garage door, and front infill extension; alterations to fenestration.

  Granted Householder Extension Demolition +1 10 docs
  Small domestic

• 21 Tennison Avenue Borehamwood Hertfordshire WD6 2BG

  21/0732/CLP Submitted 6 Apr 2021 50 yards away

  Part single storey rear and single storey side extension. Certificate of lawfulness (Proposed)

  Granted Lawful development Extension 8 docs
  Small domestic

• 17 Melrose Avenue Borehamwood Hertfordshire WD6 2BH

  23/0491/PD42 Submitted 30 Mar 2023 50 yards away

  Single storey rear extension. Depth: 4.00m, Height: 2.75m, Eaves: 2.75m.

  Refused Prior approval Extension 9 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