Council owned flats: 38-48 & 50-60 Aldykes Hatfield AL10 8EF Data via plota.co.uk
Proposal
Installation of external wall insulation, replacing windows and doors with energy-efficient units, insulating and upgrading balconies, and replacing the existing cladding with non combustible fibre-cement plank Data via plota.co.uk
Application progress
Approved on 20 Oct 2026 · Delegated · Last checked 21 Oct 2026
Documents 19
Decision & officer reports 2
Statements & assessments 5
Plans & drawings 9
Site constraints 2
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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.
Building
From the energy performance certificate lodged in July 2009, the latest held for this property. The building may have changed since. View the certificate
Every application in Welwyn Hatfield - and every UK council - as a live feed, an API, or a bulk CSV export.
Other new applications on this street
Council owned flats in Aldykes & Briars Wood 2-12, 14-24 Aldykes Hatfield & 38-48 & 50-60 Briars Wood Hatfield AL10 8EF
Installation of insulation to all of the external walls, replacement windows and...
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Important details
- Council
- Welwyn Hatfield
- Application type
- FULL PERMISSION
- Postcode
- AL10 8EF
- Received
- 20 Jul 2026
- Validated
- 21 Jul 2026
- Parish
- Hatfield
- Case officer
- Show
- Decision
- Granted
- Decision date
- 20 Oct 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Show
How this decision compares
Decided in 91 days from validation, 35 days slower than Welwyn Hatfield's median of 56 for extensions. Approved, as 88% 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 Oct 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%).
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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Council owned flats: 38-48 & 50-60 Aldykes Hatfield AL10 8EF
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