40 Dellsome Lane Welham Green Hatfield AL9 7ND Data via plota.co.uk
Proposal
Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 3m to the eaves Data via plota.co.uk
Application progress
Not Determined on 5 Dec 2025 · Delegated · Last checked 8 Sept 2026
Documents 8
Plans & drawings 7
Other documents 1
Site constraints 2
Checked on 11 September 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
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Important details
- Council
- Welwyn Hatfield
- Application type
- Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL
- Postcode
- AL9 7ND
- Received
- 1 Sept 2025
- Validated
- 23 Oct 2025
- Parish
- North Mymms
- Case officer
- Show
- Decision
- Not Determined
- Decision date
- 5 Dec 2025
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Show
Consultation & key dates
- Comments by
- 3 Dec 2025
Historical activity at this location
19 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Welwyn Hatfield is slower than most councils at deciding householder applications, ranking #224 out of 296. 50% of applications have the time limit extended, above the 41% national average. Householder applications are slightly less likely to be approved here (86%) than the national average (90%).
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40 Dellsome Lane Welham Green Hatfield AL9 7ND
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