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Planning application

26/0928/HSE

5 Dellfield Close Radlett Hertfordshire WD7 8LS

Awaiting decision Hertsmere Householder Application

Proposal

Construction of two storey side and part single part two storey rear extension. Erection of detached double garage with ancillary utility space following the demolition of the existing garage. Conversion of loft to habitable room to include roof alterations and front, side and rear roof lights. Front porch extension.

As published by the council, reference 26/0928/HSE

Timeline

Dates from the published record

  1. 7 Jul 2026

    Received by Hertsmere

  2. 24 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Hertsmere for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • 25/1604/DOC Awaiting decision

    6 Hawtrees Radlett Hertfordshire WD7 8LP

    Application for approval of details reserved by condition 4 (Piling Method Statement) of planning permission reference 22/1601/FUL.

    6 Nov 2025 100m away Conditions
  • 21/1105/HSE Granted

    29 Watford Road Radlett Hertfordshire WD7 8LG

    Construction of a new front porch.

    24 May 2021 101m away Householder
  • 26/0823/HSE Awaiting decision

    37 Watford Road Radlett Hertfordshire WD7 8LG

    Demolition of existing conservatory and construction of part single, part two storey rear extension and conversion of garage to habitable space. Replacement of existing roof tiles and alterations to fenestration.

    15 Jun 2026 142m away Householder
  • 26/0680/FUL Awaiting decision

    58 Watford Road Radlett Hertfordshire WD7 8LR

    Front boundary works to include bell mouth access, entrance gates and piers.

    19 May 2026 169m away Full applications
  • TP/10/1401 Granted

    Oakview Gills Hill Lane Radlett WD7 8DB

    *Electronic documents only, no paper fileConstruction of front porch to front elevation.

    26 Jul 2010 253m away Householder
  • 21/0990/HSE Withdrawn

    11 Gills Hill Lane Radlett Hertfordshire WD7 8DE

    Conversion of loft to habitable room to include increase in ridge height with 2 x front & 3 x rear dormers, construction of part single, part two storey front extension and single storey rear extension with associated roof alterations, new vehicular and pedestrian entrance with associated landscaping and alterations to fenestration.

    10 May 2021 320m away Householder

In Hertsmere

  • 26/0629/HSE Granted

    87 Manor Way Borehamwood Hertfordshire WD6 1QR

    Demolition of existing outbuilding and construction of single storey side extension with associated roof alterations.

    11 May 2026 Householder
  • 26/0498/HSE Granted

    16 Melrose Avenue Potters Bar Hertfordshire EN6 1SZ

    Construction of single storey side and rear extension and front porch extension.

    13 Apr 2026 Householder
  • 26/0734/HSE Withdrawn

    16 Burghley Avenue Borehamwood Hertfordshire WD6 2JF

    Single story rear extension.

    28 May 2026 Householder
  • 26/0690/HSE Granted

    4 Horwood Cottages Back Lane Letchmore Heath Watford Hertfordshire WD25 8EH

    Demolition of existing single storey rear extension and construction of single storey rear extension.

    20 May 2026 Householder
  • 26/0597/HSE Granted

    12 Bridle Close Borehamwood Hertfordshire WD6 5QA

    Formation of roof terrace over existing ground floor flat roof, including metal guarding and replacement of existing rear window with door.

    4 May 2026 Householder