6/2026/1198/HOUSEPlanning Application 6/2026/1198/HOUSE
Full application at 9 Mardley Hill Welwyn AL6 0UE, Welwyn Hatfield. View planning documents, track the decision and get email alerts on updates.
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
6/2026/1198/HOUSE
9 Mardley Hill Welwyn AL6 0UE
This is a full planning application for demolition at 9 Mardley Hill Welwyn AL6 0UE. Welwyn Hatfield has handled 2,195 applications of this type and approves 80% of them, typically deciding them in 63 days. It was submitted on 10 July 2026 and is still awaiting a decision. There are no previous applications recorded at this address. In the past year there have been 106 applications across Welwyn East. We hold 916 applications in total for the AL6 postcode area.
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Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Welwyn Hatfield