Dickson House Clayton House Forum House Lemsford Road Hatfield AL10 0FE Data via plota.co.uk
Proposal
Certificate of lawfulness to replace existing external cladding, cavity barriers and insulation to all facades with alternative non-combustible materials. Replace the existing timber decking to all balconies with alternative non-combustible materials Data via plota.co.uk
Application progress
Approved on 20 Aug 2026 · Delegated · Last checked 8 Sept 2026
Documents 18
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 6
Other documents 9
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
- LAWFUL DEVELOPMENT - PROPOSED
- Postcode
- AL10 0FE
- Received
- 9 Jun 2026
- Validated
- 26 Jun 2026
- Parish
- Hatfield
- Case officer
- Show
- Decision
- Granted
- Decision date
- 20 Aug 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Saunders Architects
How this decision compares
Decided in 55 days from validation, about the council's usual 56 days. 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
- 2 Jul 2026
Historical activity at this location
17 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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Dickson House Clayton House Forum House Lemsford Road Hatfield AL10 0FE
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