Skip to content
PlanIndex Get alerts
Menu

Planning application

20 Cobden Hill Radlett Hertfordshire WD7 7JR

Granted Hertsmere 21/1296/PD42 PD- Prior Approval 42 day (Hsehold ext)

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Single storey rear extension. Depth - 6m, Height - 2.85m, Eaves - 2.75m.

As published by the council, reference 21/1296/PD42

Application record

Reference
21/1296/PD42
Type
PD- Prior Approval 42 day (Hsehold ext)
Status
Decided
Decision
Granted As published: PD42 - Prior Approval not required
Received
17 Jun 2021
Validated
17 Jun 2021
Decided
28 Jul 2021
Ward
Aldenham East
Parish
Aldenham Parish
Decision by
Delegated Decision
Postcode
WD7 7JR

Site history

Applications at this address on the Hertsmere register

This site has had 6 applications since 2021: 5 approved, 0 refused.

  • 24/1028/DOC Granted

    20 Cobden Hill Radlett Hertfordshire WD7 7JR

    Application for approval of details reserved by condition 6 (external materials) of planning permission reference 24/0262/HSE.

    Decided 1 Oct 2024 Conditions
  • 23/0294/CLP Granted

    20 Cobden Hill Radlett Hertfordshire WD7 7JR

    Construction of 1x outbuilding in side garden and 1x outbuilding in rear garden. Certificate of Lawful Development (Proposed). (Revised application)

    Decided 17 Apr 2023 Lawful development
  • 23/0112/VOC Granted

    20 Cobden Hill Radlett Hertfordshire WD7 7JR

    Application for variation of condition 5 (bats) to allow for installation of 1 tree mounted bat box following grant of planning permission 22/1725/HSE.

    Decided 28 Mar 2023 Amendments
  • 23/0018/MA Granted

    20 Cobden Hill Radlett Hertfordshire WD7 7JR

    Application for non-material amendment to allow for felling of diseased trees T1 - T10 and T12 following grant of planning permission reference 22/1725/HSE

    Decided 24 Jan 2023 Amendments
  • 22/2154/CLP Withdrawn

    20 Cobden Hill Radlett Hertfordshire WD7 7JR

    Construction of 1x outbuilding in side garden and 1x outbuilding in rear garden. Certificate of Lawful Development (Proposed).

    Decided 15 Feb 2023 Lawful development

Timeline

Dates from the published record

  1. 17 Jun 2021

    Received by Hertsmere

  2. 28 Jul 2021

    Decision issued: PD42 - Prior Approval not required

  3. 24 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Atelier 41 Architects Agent, an architecture practice

14 applications on PlanIndex · across 4 councils · 85% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

Plans, drawings, consultee responses and the officer's report

14 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Hertsmere granted permission on 28 July 2021, 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.

About prior approval applications

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 20 Cobden Hill Radlett Hertfordshire WD7 7JR

    22/2154/CLP Submitted 28 Dec 2022 50 yards away

    Construction of 1x outbuilding in side garden and 1x outbuilding in rear garden. Certificate of Lawful Development (Proposed).

    Withdrawn Lawful development 7 docs
  • 20 Cobden Hill Radlett Hertfordshire WD7 7JR

    23/0018/MA Submitted 5 Jan 2023 50 yards away

    Application for non-material amendment to allow for felling of diseased trees T1 - T10 and T12 following grant of planning permission reference 22/1725/HSE

    Granted Amendments Trees 5 docs
  • 20 Cobden Hill Radlett Hertfordshire WD7 7JR

    23/0112/VOC Submitted 23 Jan 2023 50 yards away

    Application for variation of condition 5 (bats) to allow for installation of 1 tree mounted bat box following grant of planning permission 22/1725/HSE.

    Granted Amendments Trees 11 docs
  • 20 Cobden Hill Radlett Hertfordshire WD7 7JR

    23/0294/CLP Submitted 21 Feb 2023 50 yards away

    Construction of 1x outbuilding in side garden and 1x outbuilding in rear garden. Certificate of Lawful Development (Proposed). (Revised application)

    Granted Lawful development 8 docs
  • 20 Cobden Hill Radlett Hertfordshire WD7 7JR

    24/1028/DOC Submitted 7 Aug 2024 50 yards away

    Application for approval of details reserved by condition 6 (external materials) of planning permission reference 24/0262/HSE.

    Granted Conditions 5 docs
  • 22 Cobden Hill Radlett Hertfordshire WD7 7JR

    22/2136/HSE Submitted 22 Dec 2022 100 yards away

    Demolition of existing detached garage, construction of two storey rear extension, and alterations to fenestration. Internal re-configuration to existing annexe, with new mezzanine floor and insertion of dormer windows to create additional habitable accommodation. Revised application to 22/1610/HSE.

    Granted Householder Extension Loft or dormer +2 20 docs
    Domestic

In Hertsmere

  • 26/0496/PD56M Granted

    Metropolitan House Darkes Lane Potters Bar Hertfordshire EN6 1AG

    Change of use from Office (Class E) to Residential (Class C3) for 96 flats.

    Received 13 Apr, published by the council 24 Jul 2026 Prior approval
  • 26/0075/PD56M Decided

    3 Wyllyotts Place Potters Bar Hertfordshire EN6 2JD

    Change of use from Class E to Class C3 to facilitate conversion of offices into 5 self contained flats.

    Received 21 Jan, published by the council 9 Aug 2026 Prior approval
  • 26/0526/PD42 Granted

    20 Kenilworth Drive Borehamwood Hertfordshire WD6 1QW

    Single storey rear extension. Depth: 6.00m, Height: 2.95m, Eaves: 2.75m.

    Received 20 Apr, published by the council 9 Aug 2026 Prior approval
  • 26/0539/PD42 Granted

    10 Blunesfield Potters Bar Hertfordshire EN6 5DG

    Single storey rear extension Depth: 7.00m, Height: 3.00m, Eaves: 3.00m.

    Received 22 Apr, published by the council 9 Aug 2026 Prior approval
  • 26/0493/PD56O Granted

    British Telecom Hatfield Road Potters Bar Hertfordshire EN6 1HR

    Removal of 6no. antennas at 19.45m and installation of 6no. replacement antennas located on the 2.5m stub tower extension. Relocation of 6no. OLO antennas and associated ancillary works.

    Received 10 Apr, published by the council 9 Aug 2026 Prior approval