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Planning application

6/2023/0078/HOUSE

221 Heronswood Road Welwyn Garden City Hertfordshire AL7 3JH

Granted Welwyn Hatfield HOUSEHOLDER APPLICATION

Proposal

Erection of a single storey rear extension, garage conversion plus alterations to external openings to rear following demolition of existing conservatory

As published by the council, reference 6/2023/0078/HOUSE

Timeline

Dates from the published record

  1. 12 Jan 2023

    Received by Welwyn Hatfield

  2. 30 Jan 2023

    Validated

    Checked as complete and ready for consideration.

  3. 29 Mar 2023

    Decision issued: Granted

  4. 30 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

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

  • 6/2023/0070/EM Granted

    221 Heronswood Road, Welwyn Garden City, AL7 3JH

    Erection of a single storey rear extension following demolition of existing conservatory and garage conversion, plus alterations to external openings to rear

    11 Jan 2023 0m away
  • 7 Linces Way Welwyn Garden City AL7 3JN

    Erection of single storey rear extension with roof light following the demolition of existing conservatory

    11 May 2021 103m away Householder
  • 6/2021/1226/EM Withdrawn

    185 Heronswood Road Welwyn Garden City AL7 3JH

    Construct off-street car parking space

    15 Apr 2021 159m away
  • 6/2026/1080/EMT Awaiting decision

    264 Heronswood Road Welwyn Garden City AL7 3JQ

    1 x Blackthorn/plum to reduce canopy by 1m in height and 1.2m in width. 1 x Apple to fell.

    22 Jun 2026 202m away Trees
  • 6/2026/0832/EM Granted

    180 Heronswood Road Welwyn Garden City AL7 3EU

    Install inline rooftop solar panels front and back (14 rear, 10 front), with back garden installations of backup battery and air source heat pump unit

    12 May 2026 208m away
  • 6/2026/0930/EM Granted

    36 Coltsfoot Welwyn Garden City AL7 3HZ

    Erection of single storey rear extension

    27 May 2026 247m away

In Welwyn Hatfield

  • 9 Hill Rise Cuffley Potters Bar EN6 4ED

    Erection of a part single and part two storey rear extension, garage conversion to habitable use and alterations to fenestration

    24 Oct 2025 Householder
  • 7 Greenfield Hatfield AL9 5HW

    Erection of a single storey rear extension, conversion of double integral garage, covered porch, replacement front dormer and erection of new boundary wall following the removal of the existing hedge

    21 May 2026 Householder
  • 4 Northwood Welwyn Garden City AL7 2PX

    Erection of single storey rear extension and open pergola following demolition of conservatory

    3 Jun 2026 Householder
  • 41 Lemsford Lane Welwyn Garden City AL8 6YN

    Erection of a single storey side/rear extension following the demolition of existing outbuilding

    8 Jun 2026 Householder
  • 6/2026/1293/HOUSE Awaiting decision

    33 Claves Crescent Welwyn Garden City AL7 1WN

    Erection of a single storey rear conservatory

    22 Jul 2026 Householder