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Planning application

6/2022/2819/HOUSE

23 Stag Green Avenue Hatfield AL9 5EB

Granted Welwyn Hatfield HOUSEHOLDER APPLICATION

Proposal

Erection of first floor rear extension and front porch/canopy infill extension with tiled pitched roof to front canopy

As published by the council, reference 6/2022/2819/HOUSE

Timeline

Dates from the published record

  1. 13 Dec 2022

    Received by Welwyn Hatfield

  2. 15 Mar 2023

    Decision issued: Granted

  3. 24 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

  • 23 Stag Green Avenue Hatfield AL9 5EB

    Certificate of lawfulness for the erection of a single storey side extension

    23 Nov 2022 1m away Lawful development
  • 6/2026/1258/HOUSE Awaiting decision

    13 Lodge Drive Hatfield AL9 5HL

    Erection of two-storey front, side and rear extensions and a a single storey rear extension following the demolition of the attached garage, conservatory, single storey rear extension and front canopy. Alteration to fenestration and external materials.

    17 Jul 2026 216m away Householder
  • 126 Great North Road Hatfield AL9 5JN

    Repositioning of access gates, installation of new crossover on Hertfordshire Highways land, retention of two storey storage containers, single storey rear extension and hardstanding area for parking, loading and turning of vehicles.

    21 Sep 2022 239m away Full applications
  • 6/2026/0210/FULL Awaiting decision

    126 Great North Road Hatfield AL9 5JN

    Extension to refrigeration area

    6 Feb 2026 239m away Full applications
  • 22 Pleasant Rise Hatfield AL9 5DU

    Certificate of lawfulness for the installation of a rear dormer window

    24 Sep 2024 303m away Lawful development
  • 3 Greenfield Hatfield AL9 5HW

    Single storey rear extension, following demolition of existing conservatory, removal of chimney stack and erection of a first floor side extension with 2 x terrace areas. Conversion of existing garage and alterations to fenestration, plus replacement of existing cladding to front and rear first floor elevations to K render.

    11 Jun 2021 367m away Householder

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