2 Williamson Street Halifax Calderdale HX1 5PP Data via plota.co.uk
Proposal
Single storey rear extension Data via plota.co.uk
Application progress
Approved on 19 Oct 2026 · Delegated Decision · Last checked 20 Oct 2026
Documents 7
Statements & assessments 3
Plans & drawings 2
Application forms 1
Other documents 1
Site constraints 5
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Mining Remediation Authority, the Planning Inspectorate, 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 October 2024, the latest held for this property. The building may have changed since. View the certificate
Every application in Calderdale - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Calderdale
- Application type
- Householder
- Postcode
- HX1 5PP
- Received
- 28 Jul 2026
- Validated
- 24 Aug 2026
- Ward
- Park
- Parish
- Not In A Parish
- Case officer
- Show
- Target decision
- 19 Oct 2026
- Decision
- Permit
- Decision date
- 19 Oct 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- AT Architectural Services LTD
How this decision compares
Decided in 56 days from validation, about the council's usual 56 days. Approved, as 85% of extensions here are.
Plota live figures for extensions decided by Calderdale in the last twelve months, from validation. Calderdale decision record →
Public comments
No public comments yet.
7 neighbours consulted · Last counted 20 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15109364
- Planning Portal ref
- PP-15109364
- Neighbours
- 25 Aug 2026
- Consultation
- 25 Aug 2026
- Comments by
- 16 Sept 2026
- Statutory expiry
- 19 Oct 2026
- Env. assessment
- No
Historical activity at this location
17 nearby applications on record - archival context, not part of the live application.
Nearby activity
Calderdale ranks #193 out of 296 councils for householder decision speed. 50% of applications have the time limit extended, above the 41% national average. Householder applications are slightly less likely to be approved here (87%) than the national average (90%).
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
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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2 Williamson Street Halifax Calderdale HX1 5PP
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