1 Tennison Avenue Borehamwood Hertfordshire WD6 2BG

1. 9 Jul 2021

   Received by Hertsmere

2. 3 Sep 2021

   Decision issued: Refuse to Grant Certificate

3. 5 Sep 2026

   Added to PlanIndex

Hertsmere refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 2 Tennison Avenue Borehamwood Hertfordshire WD6 2BE

  21/1174/HSE Submitted 3 Jun 2021 50 yards away

  Demolition of existing rear conservatory and garage, construction of single storey rear extension and part single, part two storey side extension.

  Granted Householder Extension Demolition 16 docs
  Small domestic

• 14 Tennison Avenue Borehamwood Hertfordshire WD6 2BE

  19/1676/MA Submitted 18 Oct 2019 100 yards away

  Application for a non material amendment to allow for re alignment of wall following the grant of planning permission ref 19/0914/HSE.

  Granted Amendments 4 docs

• 28 Milton Drive Borehamwood Hertfordshire WD6 2BB

  22/1970/HSE Submitted 25 Nov 2022 100 yards away

  Installation of hard landscaping to include new vehicle crossover and dropped kerb to create front driveway with new electric vehicle charging point. (Amended Plans Received 16/01/2023)

  Refused Householder 16 docs
  Small domestic

• 21 Tennison Avenue Borehamwood Hertfordshire WD6 2BG

  21/0732/CLP Submitted 6 Apr 2021 100 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 150 yards away

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

  Refused Prior approval Extension 9 docs
  Small domestic

• 4 Melrose Avenue Borehamwood Hertfordshire WD6 2BJ

  21/0746/MA Submitted 6 Apr 2021 150 yards away

  Application for a non-material amendment to allow for changes in roof materials following the grant of planning permission ref 20/0721/HSE.

  Granted Amendments 3 docs

• 26/1156/CLP Decided

  30 Ladbrooke Drive Potters Bar Hertfordshire EN6 1QR

  Single storey rear extension. Conversion of loft to habitable space with hip-to-gable roof alterations to include rear dormer. Certificate of Lawful Development (Proposed).

  Received 12 Aug, published by the council 25 Aug 2026 Lawful development
• 26/1507/CLP Awaiting decision

  30 Ladbrooke Drive Potters Bar Hertfordshire EN6 1QR

  Single storey rear extension and conversion of loft to habitable space including hip to gable roof alterations, rear dormer, and 4x roof lights. Certificate of lawful development (Proposed).

  Received 19 Oct, published by the council 22 Oct 2026 Lawful development
• 26/1494/CLP Awaiting decision

  32 Billy Lows Lane Potters Bar Hertfordshire EN6 1XN

  Demolition of existing garage and temporary shed to facilitate construction of single storey side extension, conversion of loft to habitable space to include hip to gable roof alterations, rear dormer and 4x front rooflights Certificate of Lawful Development (Proposed).

  Received 16 Oct, published by the council 21 Oct 2026 Lawful development
• 26/1489/CLP Awaiting decision

  6 Minorca Close Bentley Heath Barnet Hertfordshire EN5 4FA

  Erection of detached outbuilding in the rear garden for uses ancillary to the main dwelling. Certificate of Lawful Development (Proposed).

  Received 15 Oct, published by the council 20 Oct 2026 Lawful development
• 26/1258/CLP Granted

  106 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE

  Construction of single storey rear extension. Certificate of Lawful Development (Proposed).

  Received 1 Sep, published by the council 8 Sep 2026 Lawful development