Planning application
6/2023/0170/HOUSE
11A Chestnut Walk Welwyn AL6 0SB
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
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24 Jan 2023
Received by Welwyn Hatfield
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21 Mar 2023
Decision issued: Refused
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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.
Nearby applications
Within 500 metres
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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.
-
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
-
6/2022/2782/HOUSE Granted
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
-
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
-
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.
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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)
Other householder applications
In Welwyn Hatfield
-
6/2025/2262/HOUSE Granted
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
-
6/2026/0904/HOUSE Granted
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
-
6/2026/0975/HOUSE Granted
4 Northwood Welwyn Garden City AL7 2PX
Erection of single storey rear extension and open pergola following demolition of conservatory
-
6/2026/0998/HOUSE Granted
41 Lemsford Lane Welwyn Garden City AL8 6YN
Erection of a single storey side/rear extension following the demolition of existing outbuilding
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6/2026/1293/HOUSE Awaiting decision
33 Claves Crescent Welwyn Garden City AL7 1WN
Erection of a single storey rear conservatory