22 Holly Drive Potters Bar Hertfordshire EN6 2QL

1. 20 Jul 2026

   Received by Hertsmere

2. 30 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 14 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hertsmere took a median of 57 days over the applications it decided in the last year.

This application is with Hertsmere for determination, against a statutory target of eight weeks. Over the last year Hertsmere decided lawful development applications in a median of 55 days. More in our guide to how long planning decisions take.

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.

• 21 Holly Drive Potters Bar Hertfordshire EN6 2QL

  26/0508/PD42 Submitted 14 Apr 2026 50 yards away

  Single storey rear extension. Depth: 5.0m, Height: 3.0m, Eaves: 3.0m.

  Refused Prior approval Extension 5 docs
  Small domestic

• 21 Holly Drive Potters Bar Hertfordshire EN6 2QL

  26/0453/PD42 Submitted 7 Apr 2026 50 yards away

  Single storey rear extension. Depth: 6.00m, Height: 3.00m, Eaves: 3.00m.

  Refused Prior approval Extension 6 docs
  Small domestic

• 21 Holly Drive Potters Bar Hertfordshire EN6 2QL

  26/0454/PD42 Submitted 7 Apr 2026 50 yards away

  Single storey rear extension. Depth: 6.00m. Height: 3.00m, Eaves: 3.00m.

  Granted Prior approval Extension 6 docs
  Small domestic

• 21 Holly Drive Potters Bar Hertfordshire EN6 2QL

  26/0718/CLP Submitted 26 May 2026 100 yards away

  Construction of part single, part two storey rear extension with associated roof works. Certificate of Lawful Development (Proposed).

  Decided Lawful development Extension 5 docs

• 7 Holly Drive Potters Bar Hertfordshire EN6 2QL

  23/0155/HSE Submitted 30 Jan 2023 100 yards away

  Erection of front porch. (Retrospective application)

  Refused Householder Extension 9 docs
  Small domestic

• 7 Holly Drive Potters Bar Hertfordshire EN6 2QL

  23/0097/HSE Submitted 19 Jan 2023 100 yards away

  Outbuilding in rear garden. (Retrospective application)

  Granted Householder 8 docs
  Small domestic

• 26/1315/CLP Granted

  52 Carrington Avenue Borehamwood Hertfordshire WD6 2HA

  Replacement rear dormer and alterations to front roof lights. Certificate of lawful development (Proposed).

  Received 10 Sep, published by the council 19 Sep 2026 Lawful development
• 26/1220/CLP Decided

  The Farm House The Green Letchmore Heath Watford Hertfordshire WD25 8ES

  Removal of approximately 1.4m of private garden hedge and installation of an inward-opening pedestrian gate and posts, with a maximum overall height of 1.0 metre above existing ground level, wholly within the property boundary. Certificate of Lawful Development (Proposed).

  Received 24 Aug, published by the council 28 Aug 2026 Lawful development
• 26/1300/CLP Granted

  111 Church Road Potters Bar Hertfordshire EN6 1EY

  Conversion of loft to habitable space to include rear dormer, 3x front rooflights and removal of chimney stack. Certificate of Lawful Development (Proposed).

  Received 7 Sep, published by the council 14 Sep 2026 Lawful development
• 26/1573/CLP Awaiting decision

  49 Warenford Way Borehamwood Hertfordshire WD6 5ER

  Construction of single storey outbuilding Certificate of Lawful Development (Proposed).

  Received 29 Oct, published by the council 6 Nov 2026 Lawful development
• 26/1276/CLE Granted

  81 Barton Way Borehamwood Hertfordshire WD6 1PQ

  Retention of existing use of an outbuilding as a self-contained dwellinghouse. Certificate of Lawful Development (Existing).

  Received 3 Sep, published by the council 9 Sep 2026 Lawful development