20 Dalton Way Newton Aycliffe DL5 4NB Data via plota.co.uk
Proposal
Garage and utility conversion with mono-pitched roof over existing flat roof Data via plota.co.uk
Application progress
Refused on 5 Jun 2026 · Certificate of Lawfulness Proposed · Last checked 5 Jul 2026
Documents 1
Decision & officer reports 1
Site constraints 4
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Mining Remediation Authority, the Planning Inspectorate 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 April 2014, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Durham
- Application type
- Certificate of Lawfulness Proposed Opera
- Postcode
- DL5 4NB
- Received
- 20 Apr 2026
- Validated
- 23 Apr 2026
- Ward
- Aycliffe South
- Parish
- Great Aycliffe
- Case officer
- Show
- Target decision
- 18 Jun 2026
- Decision
- Refused
- Decision date
- 5 Jun 2026
- Decision level
- Certificate of Lawfulness Proposed
- Applicant
- Show
- Agent
- Show
How this decision compares
Decided in 43 days from validation, 11 days faster than Durham's median of 54 for extensions. Refused, as 3% of extensions here are.
Plota live figures for extensions decided by Durham in the last twelve months, from validation. Durham decision record →
Consultation & key dates
- Consultation
- 23 Apr 2026
- Comments by
- 24 Apr 2026
- Statutory expiry
- 18 Jun 2026
- Env. assessment
- No
Durham ranks #190 out of 296 councils for householder decision speed. 48% of applications have the time limit extended, above the 41% national average. Householder applications are more likely to be approved here than most councils, with a 97% approval rate vs 90% nationally.
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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20 Dalton Way Newton Aycliffe DL5 4NB
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