15 Brockswood Lane Welwyn Garden City AL8 7BA Data via plota.co.uk
Proposal
Single storey side and part two storey rear extension Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 10 Dec 2026, from Welwyn Hatfield's recent extensions.
Documents 7
Plans & drawings 6
Site constraints 6
Checked on 24 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 November 2022, 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.
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Important details
- Council
- Welwyn Hatfield
- Application type
- ESTATE MANAGEMENT
- Postcode
- AL8 7BA
- Received
- 7 Oct 2026
- Validated
- 15 Oct 2026
- Case officer
- Show
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Show
Decision outlook
Day 13 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
- 13 Nov 2026
Historical activity at this location
27 previous applications on record - archival context, not part of the live application.
Previous applications at this address
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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15 Brockswood Lane Welwyn Garden City AL8 7BA
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Comments are open until 13 Nov 2026