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Planning application

138 Watling Street Radlett Hertfordshire WD7 7JH

Awaiting decision Hertsmere 26/1340/HSE Householder

Works: Windows or glazing Domestic

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

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Replacement of existing side window and side door with a new window. Installation of additional window. Replacement of existing rear window with French doors.

As published by the council, reference 26/1340/HSE

Application record

Reference
26/1340/HSE
Category
Householder
Status
Awaiting decision
Received
16 Sep 2026
Validated
28 Sep 2026
Postcode
WD7 7JH

Site history

Applications at this address on the Hertsmere register

This site has had 2 applications since 2026: 0 approved, 1 refused.

  • 26/0308/HSE Refused

    138 Watling Street Radlett Hertfordshire WD7 7JH

    Construction of single storey rear infill extension.

    Decided 6 May 2026 Householder

Timeline

Dates from the published record

  1. 16 Sep 2026

    Received by Hertsmere

  2. 28 Sep 2026

    Validated

    Checked as complete and ready for consideration.

  3. 30 Sep 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 23 November 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.

What happens while it is decided

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.

About householder applications

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.

Nearby applications

Within 0.3 miles

  • 126A Watling Street Radlett Hertfordshire WD7 7JH

    22/2113/TPO Submitted 21 Dec 2022 50 yards away

    T10 HORSE CHESTNUT. Pollard back to previous growth points, 3-4m, height will remain at 12-14m and spread once re pollard will be 10m. Crown lift to 3m.

    Refused Trees 6 docs

  • 148 Watling Street Radlett Hertfordshire WD7 7JH

    24/1258/HSE Submitted 1 Oct 2024 50 yards away

    Installation of replacement roof, windows and doors to existing rear conservatory.

    Granted Householder Extension Roofing +1 10 docs
    Small domestic

  • 146 Watling Street Radlett Hertfordshire WD7 7JH

    21/1246/HSE Submitted 14 Jun 2021 50 yards away

    Single storey rear extension. (Amended plans received 14/09/2021 - proposal changed to only include a rear extension).

    Granted Householder Extension 15 docs
    Small domestic

  • 138 Watling Street Radlett Hertfordshire WD7 7JH

    26/0308/HSE Submitted 6 Mar 2026 50 yards away

    Construction of single storey rear infill extension.

    Refused Householder Extension 10 docs
    Small domestic

  • 8 Athlone Close Radlett Hertfordshire WD7 7JF

    26/1246/TPO Submitted 3 Sep 2026 50 yards away

    T7 Pine - Tree is located in the rear garden - Deadwood crown and remove snapped out limb from crown of tree to eliminate the risk of failure. T8 Lime - tree is located in the rear garden of the property. Reduce tree by 2m height to give a final height of around 18m and reduce by around 2m to give final width of around 15m.

    Granted Trees 5 docs

  • 7 Christchurch Crescent Radlett Hertfordshire WD7 8AG

    26/0511/MA Submitted 14 Apr 2026 50 yards away

    Application for a non-material amendment to allow for the addition of a roof light following the grant of planning permission ref 25/0875/HSE.

    Granted Amendments Loft or dormer 9 docs

In Hertsmere

  • 26/1234/HSE Granted

    66 Park Crescent Elstree Borehamwood Hertfordshire WD6 3PU

    Construction of swimming pool with associated hard landscaping.

    Received 26 Aug, published by the council 3 Sep 2026 Householder
  • 26/1227/HSE Granted

    22 Pinewood Close Borehamwood Hertfordshire WD6 5NW

    Construction of part single, part two-storey rear extension, two-storey side extension including conversion of existing attached garage to habitable space, and alterations to fenestration.

    Received 26 Aug, published by the council 2 Sep 2026 Householder
  • 26/1513/HSE Awaiting decision

    83 Dugdale Hill Lane Potters Bar Hertfordshire EN6 2DR

    Single-storey rear extension to include connection to the existing detached garage and conversion to habitable space.

    Received 20 Oct, published by the council 23 Oct 2026 Householder
  • 26/1500/HSE Awaiting decision

    10 Oakridge Avenue Radlett Hertfordshire WD7 8EP

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

    Received 19 Oct, published by the council 21 Oct 2026 Householder
  • 26/1029/HSE Granted

    5 Elmroyd Avenue Potters Bar Hertfordshire EN6 2ED

    Installation of 8x solar panels.

    Received 23 Jul, published by the council 28 Aug 2026 Householder