26 Letchmore Road Radlett Hertfordshire WD7 8HT

1. 7 Mar 2023

   Received by Hertsmere

2. 28 Apr 2023

   Decision issued: Grant Lawful Certificate (Proposed Dev)

3. 5 Sep 2026

   Added to PlanIndex

Hertsmere granted permission on 28 April 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.

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.

• 24A Letchmore Road Radlett WD7 8HT

  TP/11/0044 Submitted 7 Jan 2011 50 yards away

  Two storey rear extension (Certificate of Lawful Development - Proposed).

  Granted Lawful development Extension 13 docs

• 26 Woodfield Road Radlett Hertfordshire WD7 8JD

  21/1057/CLP Submitted 17 May 2021 50 yards away

  Conversion of garage to habitable room. Certificate of Lawful Development (Proposed).

  Granted Lawful development 6 docs

• The Gate House 27A Letchmore Road Radlett Hertfordshire WD7 8HU

  26/0206/HSE Submitted 18 Feb 2026 100 yards away

  First floor rear and side extension with associated roof works to include extension to habitable space at loft level, insertion of additional rear dormer window, and insertion of 3x roof lights. (AMENDED PLANS RECEIVED: 06/03/2026 - skylight to master bedroom on second floor omitted). (ADDITIONAL INFORMATION RECEIVED: 07/05/2026 - daylight & sunlight assessment).

  Granted Householder Extension Loft or dormer +1 9 docs
  Domestic

• 21 Letchmore Road Radlett Hertfordshire WD7 8HU

  21/0297/HSE Submitted 11 Feb 2021 100 yards away

  Part single, part two storey rear extension, conversion of garage to habitable room and alterations to the roof to include raising the ridge height, conversion of loft to habitable room with juliette balcony and 2 rear dormers. (Amended Description 12/05/2021)

  Granted Householder Extension Loft or dormer +1 14 docs
  Domestic

• 21 Letchmore Road Radlett Hertfordshire WD7 8HU

  22/2085/HSE Submitted 14 Dec 2022 100 yards away

  Installation of air conditioning plant on roof. (Retrospective application)

  Refused Householder 8 docs
  Domestic

• 9 Letchmore Road Radlett Hertfordshire WD7 8HU

  26/0397/HSE Submitted 25 Mar 2026 100 yards away

  Conversion of garage to habitable space including removal of garage door with replacement window.

  Granted Householder Windows or glazing 8 docs
  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