Planning application
The Willows Marshmoor Lane Welham Green Hatfield AL9 7HT
Works: Extension Demolition 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
Extension of existing residential dwelling, along with the demolition and re-construction of existing carport and store
As published by the council, reference 6/2026/0433/HOUSE
Application record
- Reference
- 6/2026/0433/HOUSE
- Type
- HOUSEHOLDER APPLICATION
- Status
- Decided - Refused
- Decision
- Refused
- Received
- 10 Mar 2026
- Validated
- 12 Mar 2026
- Decided
- 6 May 2026
- Ward
- Welham Green & Hatfield South
- Parish
- North Mymms
- Decision by
- Delegated
- Postcode
- AL9 7HT
Site history
Applications at this address on the Welwyn Hatfield register
This site has had 2 applications since 2026: 1 approved, 1 refused.
-
6/2026/0926/HOUSE Granted
The Willows Marshmoor Lane Welham Green Hatfield AL9 7HT
Extension of existing residential dwelling
Timeline
Dates from the published record
-
10 Mar 2026
Received by Welwyn Hatfield
-
12 Mar 2026
Validated
Checked as complete and ready for consideration.
-
6 May 2026
Decision issued: Refused
-
9 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
2 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat 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
-
The Willows Marshmoor Lane Welham Green Hatfield AL9 7HT
Extension of existing residential dwelling
Granted Householder ExtensionDomestic -
Railway Cottage 1-2 Marshmoor Lane Welham Green Hatfield AL9 7HT
Certificate of lawfulness for a single storey rear extension
Granted Lawful development ExtensionSmall domestic -
Millwards House Great North Road Hatfield AL9 5SD
Retention of metal fence to front of property
Refused Full applicationsSmall domestic -
Alloy Sales Ltd Travellers Lane Welham Green Hatfield AL9 7HF
Removal of condition 3 (use of premises) on planning permission S6/1981/0553
Granted Amendments -
Unit 1 Travellers Close Welham Green Hatfield AL9 7JL
Expansion of office space into adjacent storage area, installation of 1 x window to front elevation and relocation of signage
Granted Full applications Windows or glazing -
93 Holloways Lane Welham Green Hatfield AL9 7NU
Erection of single storey rear extension following demolition of existing detached garage
Granted Householder Extension DemolitionSmall domestic
Other householder applications
In Welwyn Hatfield
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6/2026/1408/HOUSE Granted
Wytmead Essendon Hill Essendon Hatfield AL9 6AW
Reinstatement of the previously truncated chimney
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6/2026/1170/HOUSE Granted
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
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6/2026/1177/HOUSE Granted
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.
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6/2026/1376/HOUSE Granted
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
-
6/2026/1392/HOUSE Granted
1 Little Wade Welwyn Garden City AL7 4LE
Erection of a single storey rear extension