Grove House 21 Shenley Hill Radlett Hertfordshire WD7 7AT

This site has had 2 applications since 2026.

• 26/0398/HSE Withdrawn

  Grove House 21 Shenley Hill Radlett Hertfordshire WD7 7AT

  Construction of a single-storey detached garden room to the rear of the existing dwelling. The building has been designed to provide flexible ancillary accommodation to serve the main dwelling, incorporating a golf simulator, pilates studio, kitchen, living/dining area, bedroom, en-suite bathroom, WC, and store.

  Decided 28 Apr 2026 Householder

1. 4 Jun 2026

   Received by Hertsmere

2. 24 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 30 July 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 householder applications in a median of 65 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• Grove House 21 Shenley Hill Radlett Hertfordshire WD7 7AT

  26/0398/HSE Submitted 25 Mar 2026 50 yards away

  Construction of a single-storey detached garden room to the rear of the existing dwelling. The building has been designed to provide flexible ancillary accommodation to serve the main dwelling, incorporating a golf simulator, pilates studio, kitchen, living/dining area, bedroom, en-suite bathroom, WC, and store.

  Withdrawn Householder 25 docs
  Small domestic

• 2A Aldenham Grove Radlett Hertfordshire WD7 7BN

  26/0078/FUL Submitted 22 Jan 2026 100 yards away

  84% historically approved · decision due ~7 Apr

  Demolition of dwelling at 2a and garage at 4 with plot alterations to allow for construction of replacement 6x bed dwelling basement level garage and swimming pool in rear garden. Associated landscaping to include front boundary works and new vehicle access (as amended by plans and documents received on 04.06.2026)

  Awaiting decision Full applications Demolition 36 docs
  Domestic

• 2 Hillside Road Radlett Hertfordshire WD7 7BH

  21/1413/HSE Submitted 7 Jul 2021 150 yards away

  Construction of single storey side extension (retrospective application).

  Granted Householder Extension 11 docs
  Small domestic

• Hightrees Aldenham Grove Radlett Hertfordshire WD7 7BN

  21/0998/TPO Submitted 10 May 2021 150 yards away

  T16 MOUNTAIN ASH. Fell. T2 BEECH. Reduce to previous points by 1.5m. From 17m to 15.5m height and 6m to 4.5m spread. T18 MAPLE. Reduce back to previous pointsapprox 2m. from 10m to 8m height and 4m to 2m spread.

  Refused Trees 6 docs

• 4 - 6 Aldenham Grove Radlett Hertfordshire

  26/0148/OUT Submitted 5 Feb 2026 150 yards away

  87% historically approved · decision due ~7 Apr

  Demolition of existing dwellings, boundary alterations and erection of two replacement dwellings (as amended by plans and documents received on 04.06.2026) (Outline application with all matters reserved)

  Awaiting decision Outline Demolition 26 docs

• 3 Broadlands Hillside Road Radlett Hertfordshire WD7 7BX

  21/1263/TPO Submitted 15 Jun 2021 150 yards away

  T5 OAK. Fell

  Granted Trees 2 docs

• 26/1319/HSE Granted

  54 The Shrublands Potters Bar Hertfordshire EN6 2BW

  Single storey side extension and front porch.

  Received 10 Sep, published by the council 23 Sep 2026 Householder
• 26/1324/HSE Granted

  12 Nightingale Close Radlett Hertfordshire WD7 8NT

  Partial conversion of garage to habitable space, construction of single storey rear extension and front porch extension, alterations to fenestration.

  Received 11 Sep, published by the council 21 Sep 2026 Householder
• 26/1263/HSE Granted

  11 Juniper Gardens Shenley Radlett Hertfordshire WD7 9LA

  Single storey rear extension.

  Received 1 Sep, published by the council 23 Sep 2026 Householder
• 26/1303/HSE Granted

  14 Hartfield Avenue Elstree Borehamwood Hertfordshire WD6 3JE

  Alterations to fenestration to include replacement of garage door with window and side elevation window changes.

  Received 8 Sep, published by the council 15 Sep 2026 Householder
• 26/1248/HSE Granted

  24 Farm Way Bushey Hertfordshire WD23 3SS

  Single storey rear extension; single storey front extension to include porch, conversion of garage to habitable space and replacement of garage door with window; first floor side extension.

  Received 28 Aug, published by the council 4 Sep 2026 Householder