14 Astley Gardens Seaton Sluice Northumberland NE26 4JJ Data via plota.co.uk
Proposal
Attic conversion, garage conversion including an extension forwards of the garage doors Data via plota.co.uk
Application progress
Approved on 15 Jun 2026 · Delegated Decision · Last checked 1 Aug 2026
Documents 2
Decision & officer reports 1
Application forms 1
Site constraints 7
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Mining Remediation Authority 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.
Sales history 1
Last sold for £203,500 in December 2025. Semi-detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in January 2024, the latest held for this property. The building may have changed since. View the certificate
Every application in Northumberland (County) - and every UK council - as a live feed, an API, or a bulk CSV export.
Important details
- Council
- Northumberland (County)
- Application type
- Full Application
- Postcode
- NE26 4JJ
- Received
- 17 Mar 2026
- Validated
- 21 Apr 2026
- Ward
- Hartley
- Parish
- Seaton Valley
- Case officer
- Show
- Target decision
- 19 May 2026
- Decision
- Application Permitted
- Decision date
- 15 Jun 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Marsfen Architecture
How this decision compares
Decided in 55 days from validation, about the council's usual 55 days. Approved, as 90% of extensions here are.
Plota live figures for extensions decided by Northumberland (County) in the last twelve months, from validation. Northumberland (County) decision record →
Public comments
No public comments yet.
16 neighbours consulted · Last counted 1 Aug 2026
Consultation & key dates
- Alt. reference
- PP-14786484
- Planning Portal ref
- PP-14786484
- Neighbours
- 21 Apr 2026
- Consultation
- 21 Apr 2026
- Comments by
- 12 May 2026
- Statutory expiry
- 19 May 2026
- Env. assessment
- No
Historical activity at this location
14 nearby applications on record - archival context, not part of the live application.
Nearby activity
Northumberland (County) ranks #167 out of 296 councils for householder decision speed. 47% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (91%) than the national average (90%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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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14 Astley Gardens Seaton Sluice Northumberland NE26 4JJ
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