48 Newlands Avenue Radlett Hertfordshire WD7 8EL

1. 1 Apr 2026

   Received by Hertsmere

2. 26 May 2026

   Decision issued: Grant Lawful Certificate (Proposed Dev)

3. 9 Aug 2026

   Added to PlanIndex

Hertsmere granted permission on 26 May 2026, 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.

• 46 Newlands Avenue Radlett Hertfordshire WD7 8EL

  21/1227/DOC Submitted 9 Jun 2021 50 yards away

  Application for approval of details reserved by conditions 4 (trees) of planning permission reference 21/0804/HSE

  Granted Conditions Trees 8 docs

• 46 Newlands Avenue Radlett Hertfordshire WD7 8EL

  21/0804/HSE Submitted 13 Apr 2021 50 yards away

  Erection of orangery to rear.

  Granted Householder Extension 12 docs
  Domestic

• 10 Oakridge Avenue Radlett Hertfordshire WD7 8EP

  26/1500/HSE Submitted 19 Oct 2026 50 yards away

  92% historically approved · decision due ~14 Dec

  Demolition of existing rear conservatory and erection of part single part two storey rear extension with alterations to fenestration.

  Awaiting decision Householder Extension Demolition +1
  Small domestic

• 63 Goodyers Avenue Radlett Hertfordshire WD7 8AZ

  23/0028/CLP Submitted 9 Jan 2023 100 yards away

  Construction of gym / office outbuilding to rear garden, with 2 x roof lights. Certificate of Lawful Development (Proposed). (Revised application)

  Granted Lawful development Loft or dormer 6 docs

• 69 Goodyers Avenue Radlett Hertfordshire WD7 8AZ

  26/0470/FUL Submitted 8 Apr 2026 100 yards away

  Erection of a detached dwelling, with associated vehicular parking and landscaping.

  Refused Full applications New dwelling 21 docs
  Domestic

• 57 Goodyers Avenue Radlett Hertfordshire WD7 8AZ

  19/1864/PD42 Submitted 21 Nov 2019 100 yards away

  Single storey rear extension Depth: 8m Height: 3.6m Eaves: 2.63m

  Refused Prior approval Extension 6 docs
  Small domestic

• 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
• 26/1494/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
• 26/1247/CLP Decided

  314 Mutton Lane Potters Bar Hertfordshire EN6 2AX

  Conversion of loft to habitable space including hip to gable roof alterations, rear dormer and 2x front roof lights. Certificate of lawful development (Proposed).

  Received 27 Aug, published by the council 4 Sep 2026 Lawful development