1 Newstead Hatfield AL10 9DH Data via plota.co.uk
Proposal
Prior approval for a single storey rear extension measuring 6.00m in depth, 2.60m to the eaves and the maximum height of 3.00m Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision around 15 Sept 2026, from Welwyn Hatfield's recent extensions. The consultation period closed on 19 Aug 2026.
Documents 5
Plans & drawings 3
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.
Every application in Welwyn Hatfield - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Welwyn Hatfield
- Application type
- Class A – enlargement, improvement or other alteration of a dwellinghouse - PRIOR APPROVAL
- Postcode
- AL10 9DH
- Received
- 20 Jul 2026
- Validated
- 21 Jul 2026
- Parish
- Hatfield
- Case officer
- Show
- Decision level
- Delegated
- Agent
- Show
Decision outlook
Day 55 of the 56-day target. Welwyn Hatfield usually decides extensions by day 56.
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
- 19 Aug 2026
Historical activity at this location
6 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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1 Newstead Hatfield AL10 9DH
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