10 Cygnet Close Borehamwood Hertfordshire WD6 5NG

1. 13 Mar 2023

   Received by Hertsmere

2. 25 Apr 2023

   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.

• 29 Danziger Way Borehamwood Hertfordshire WD6 5DB

  26/1408/CLP Submitted 30 Sep 2026 50 yards away

  82% historically approved · decision due ~2 Dec

  Conversion of loft to habitable space including rear dormer and 3x front roof lights. Certificate of lawful development (Proposed).

  Awaiting decision Lawful development Loft or dormer

• 37 Studio Way Borehamwood Hertfordshire WD6 5NN

  24/0974/HSE Submitted 25 Jul 2024 150 yards away

  Single storey front extension and first floor side extension.

  Withdrawn Householder Extension 7 docs
  Small domestic

• 68 Danziger Way Borehamwood Hertfordshire WD6 5DD

  23/0392/HSE Submitted 10 Mar 2023 150 yards away

  Construction of a single story rear extension and alterations to fenestration.

  Granted Householder Extension Windows or glazing 10 docs
  Domestic

• 34 Novello Way Borehamwood Hertfordshire WD6 5RT

  21/0655/HSE Submitted 25 Mar 2021 200 yards away

  Single storey rear extension.

  Granted Householder Extension 10 docs
  Small domestic

• 65 Danziger Way Borehamwood Hertfordshire WD6 5DD

  21/0592/HSE Submitted 18 Mar 2021 200 yards away

  Single storey side and rear extension. (Amended Description and Plans received)

  Granted Householder Extension 10 docs
  Small domestic

• 37 Novello Way Borehamwood Hertfordshire WD6 5RT

  23/0566/HSE Submitted 20 Apr 2023 200 yards away

  Demolition of existing rear conservatory, construction of a single storey rear extension, alterations to fenestration and new patio area to rear.

  Granted Householder Extension Demolition +1 8 docs
  Small domestic

• 26/1516/CLP Awaiting decision

  83 Dugdale Hill Lane Potters Bar Hertfordshire EN6 2DR

  Conversion of loft to habitable space with side and rear dormer; single storey rear extension. Certificate of Lawful Development (Proposed).

  Received 20 Oct, published by the council 23 Oct 2026 Lawful development
• 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