16 Chipmunk Chase Hatfield AL10 9GH Data via plota.co.uk
Proposal
Retention of single storey rear extension and garage conversion to study/office Data via plota.co.uk
Application progress
Refused on 2 Sept 2026 · Delegated · Last checked 7 Sept 2026
Documents 14
Decision & officer reports 2
Plans & drawings 1
Other documents 11
Site constraints 1
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
- HOUSEHOLDER APPLICATION
- Postcode
- AL10 9GH
- Received
- 24 Mar 2026
- Validated
- 8 Jul 2026
- Parish
- Hatfield
- Case officer
- Show
- Decision
- Refused
- Decision date
- 2 Sept 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Amar Gill
How this decision compares
Decided in 56 days from validation, about the council's usual 56 days. Refused, as 13% of extensions here are.
Plota live figures for extensions decided by Welwyn Hatfield in the last twelve months, from validation. Welwyn Hatfield decision record →
Consultation & key dates
- Comments by
- 7 Aug 2026
Historical activity at this location
14 nearby applications on record - archival context, not part of the live application.
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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16 Chipmunk Chase Hatfield AL10 9GH
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