St Cuthberts House Diamond Terrace Durham DH1 5SU Data via plota.co.uk
Proposal
Submission of details pursuant to Conditions 10, 12 and 16 of planning permission varied by (Demolition of the Mainstreet USA offices, and the erection of a new build 2-4 storey workplace building and associated landscaping.) relating to land contamination and drainage. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. A decision is expected by 11 Sept 2025.
Associated applications 4
Part of
Conditions 10, 12, 16 awaiting decision · , varied
- ConditionsSubmission of details pursuant to Conditions 10, 12 and 16 variedThis applicationDM/25/01962/DRC
- Amendmentarchive
Site constraints 8
Checked on 14 October 2026. Historic England, the Environment Agency, Natural England, the Mining Remediation Authority, 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 February 2020, the latest held for this property. The building may have changed since. View the certificate
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Important details
Public comments
No public comments yet.
Last counted 28 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14183428
- Planning Portal ref
- PP-14183428
- Consultation
- 28 Jul 2025
- Comments by
- 18 Aug 2025
- Statutory expiry
- 11 Sept 2025
- Env. assessment
- No
Historical activity at this location
29 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
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.
Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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St Cuthberts House Diamond Terrace Durham DH1 5SU
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Council archive
St Cuthberts House Diamond Terrace Durham DH1 5SU
Demolition of the Mainstreet USA offices, and the erection of a new build 2-4 storey workplace building and associated landscaping.
- Received
- 25 Oct 2021
- Decided
- 8 Mar 2022
- Outcome
- Approved
St Cuthberts House Diamond Terrace Durham DH1 5SU
Non-material amendment of DM/21/03682/FPA (new workspace building) to various conditions to allow demolition to take place prior to agreeing specific details of conditions 4,8,10 and 12.
- Received
- 26 Jul 2022
- Decided
- 11 Aug 2022
- Outcome
- Approved

The consultation period closed on 18 Aug 2025.