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Planning application

6 Marsden Road Welwyn Garden City AL8 6XZ

Refused Welwyn Hatfield 6/2026/0804/HOUSE HOUSEHOLDER APPLICATION

Works: Extension Domestic

Read from the description, not a valuation. How we read the register

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Erection of part single, part two storey side extension

As published by the council, reference 6/2026/0804/HOUSE

Application record

Reference
6/2026/0804/HOUSE
Type
HOUSEHOLDER APPLICATION
Status
Decided - Refused
Decision
Refused
Received
8 May 2026
Validated
8 May 2026
Decided
2 Jul 2026
Ward
Handside
Decision by
Delegated
Postcode
AL8 6XZ

Site history

Applications at this address on the Welwyn Hatfield register

This site has had 3 applications since 2026: 0 approved, 1 refused.

  • 6/2026/1479/HOUSE Awaiting decision

    6 Marsden Road Welwyn Garden City AL8 6XZ

    Erection of single storey side extension and part single, part two storey rear extension

    Submitted 21 Aug 2026 Householder
  • 6/2026/0912/EM Awaiting decision

    6 Marsden Road Welwyn Garden City AL8 6XZ

    Erection of ground floor side extension and partial first floor side extension

    Submitted 21 May 2026

Timeline

Dates from the published record

  1. 8 May 2026

    Received by Welwyn Hatfield

  2. 2 Jul 2026

    Decision issued: Refused

  3. 24 Jul 2026

    Added to PlanIndex

What this refusal means

Welwyn Hatfield refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 6 Marsden Road Welwyn Garden City AL8 6XZ

    6/2026/1479/HOUSE Submitted 21 Aug 2026 50 yards away

    87% historically approved · decision due ~19 Oct

    Erection of single storey side extension and part single, part two storey rear extension

    Awaiting decision Householder Extension
    Small domestic
  • 6 Marsden Road Welwyn Garden City AL8 6XZ

    6/2026/0912/EM Submitted 21 May 2026 50 yards away

    91% historically approved · decision due ~21 Jul

    Erection of ground floor side extension and partial first floor side extension

    Awaiting decision Extension
  • 2 Marsden Road Welwyn Garden City AL8 6YF

    6/2021/2118/TC Submitted 14 Jul 2021 50 yards away

    1 x Apple to reduce to approximately 2.5m above ground level. Remove 2 large limbs back to main trunk.

    Granted Trees
  • 2 Marsden Road Welwyn Garden City AL8 6YF

    6/2021/2129/EMT Submitted 14 Jul 2021 50 yards away

    1 x Apple to reduce to approximately 2.5m above ground level. Remove 2 large limbs back to main trunk.

    Granted Trees
  • 16 Marsden Road Welwyn Garden City AL8 6XZ

    6/2022/2822/HOUSE Submitted 13 Dec 2022 50 yards away

    Erection of a single storey flat roof extension with roof lights

    Granted Householder Extension Loft or dormer
    Small domestic
  • 16 Marsden Road Welwyn Garden City AL8 6XZ

    6/2022/2820/EM Submitted 13 Dec 2022 50 yards away

    Erection of a single storey rear extension

    Granted Extension
    Small domestic

In Welwyn Hatfield

  • Wytmead Essendon Hill Essendon Hatfield AL9 6AW

    Reinstatement of the previously truncated chimney

    Received 10 Aug, published by the council 31 Aug 2026 Householder
  • 6 Highfields Cuffley Potters Bar EN6 4EL

    Conversion of garage into study room with alterations to the front elevation, repositioning of lower ground floor entrance hall, erection of two storey infill side extension with internal alterations, replacement of existing front and side building brickwork with K-Render finish, removal of chimney and installation of 2 rooflights

    Received 6 Jul, published by the council 30 Jul 2026 Householder
  • Red Lodge High Road Essendon Hatfield AL9 6HU

    Erection of two single-storey side extensions, detached garage with barn-hipped roof and photovoltaic panels, relocated garden room and associated works to hardstanding and site layout.

    Received 7 Jul, published by the council 9 Aug 2026 Householder
  • 18 Briary Wood Lane Welwyn AL6 0TF

    Erection of a single storey ground floor extension & part two storey rear, raising the roof and alterations to facilitate loft conversion to include new crown roof with front & rear dormers

    Received 4 Aug, published by the council 22 Aug 2026 Householder
  • 1 Little Wade Welwyn Garden City AL7 4LE

    Erection of a single storey rear extension

    Received 6 Aug, published by the council 15 Aug 2026 Householder