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Planning application

6/2023/0170/HOUSE

11A Chestnut Walk Welwyn AL6 0SB

Refused Welwyn Hatfield HOUSEHOLDER APPLICATION

Proposal

Erection of new rear dormer extension as continuation of existing rear dormer

As published by the council, reference 6/2023/0170/HOUSE

Timeline

Dates from the published record

  1. 24 Jan 2023

    Received by Welwyn Hatfield

  2. 21 Mar 2023

    Decision issued: Refused

  3. 24 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

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

  • 6/2023/0085/TPO Refused

    24 Marlborough Close Welwyn Hertfordshire AL6 0UG

    Oak tree G2 TPO 643 (2017) - 4m reduction from top of tree, 25% reduction in width and removal of deadwood. The tree overhangs a public footpath behind our garden.

    12 Jan 2023 206m away Trees
  • 6/2026/0943/HOUSE Awaiting decision

    69 Robbery Bottom Lane Welwyn AL6 0UL

    Raising the existing roof line incorporating new rooflights, new dormer, external alterations to existing windows and doors and the creation of a new parking space, erection of canopy following demolition of existing porch

    29 May 2026 210m away Householder
  • 1A Marlborough Close Welwyn AL6 0UG

    Erection of front porch, and part two, part single storey side and rear extension incorporating conversion of existing garage space and elongation of existing rear dormer window. Elongation of front dormer window and external alterations. Change of external materials and landscape works

    7 Dec 2022 251m away Householder
  • 6/2026/1198/HOUSE Awaiting decision

    9 Mardley Hill Welwyn AL6 0UE

    Erection of single storey front, side and rear extension, raising the existing roof and formation of rear dormer. Alterations to the fenestration, including, installation of new windows and doors and external rendering and cladding, following the demolition of garage and porch

    10 Jul 2026 263m away Householder
  • 6/2026/0825/TPO Granted

    Brambles Briary Wood End Welwyn AL6 0TD

    TPO 800 T1 - Chestnut tree - crown reduce by approx 4-5m - tree is multi stem and we have recently removed the whole crown on one stem due to being completely dead. Client is worried about the balancing weight now on the other stem. Please see attached photos.

    12 May 2026 288m away Trees
  • 6/2026/0974/TPO Awaiting decision

    2 Woodacre Drive Welwyn AL6 0UA

    T1 Oak Prune western aspect by 2 metres. (Covered by TPO24 A3 and TPO 642 (2017) G1)

    3 Jun 2026 334m away Trees

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