16 Rosedale Welwyn Garden City AL7 1DR Data via plota.co.uk
Proposal
Certificate of lawfulness for part single-storey and part two-storey rear extension, replacement window to side elevation, and block up the existing kitchen ground-floor side window Data via plota.co.uk
Application progress
Approved on 10 Jun 2026 · Delegated · Last checked 8 Sept 2026
Documents 9
Decision & officer reports 2
Plans & drawings 6
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
- LAWFUL DEVELOPMENT - PROPOSED
- Postcode
- AL7 1DR
- Received
- 29 May 2026
- Validated
- 29 May 2026
- Case officer
- Show
- Decision
- Granted
- Decision date
- 10 Jun 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Show
How this decision compares
Decided in 12 days from validation, 44 days faster than Welwyn Hatfield's median of 56 for extensions. Approved, as 87% 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
- 9 Jun 2026
Historical activity at this location
25 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 Rosedale Welwyn Garden City AL7 1DR
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