The UK government is rolling out a single digital identity service called GOV.UK One Login to simplify how people access public services online. It aims to replace more than 190 separate government login systems with one secure way to prove identity and sign in to services.
But for councils, that presents both opportunity and risk. Done well, it can make digital transactions smoother and more secure for residents. Done prematurely or without the right foundations, it can expose legacy platforms, inconsistent content, and weak integration points to failure.
This article explores the practical prerequisites councils need in place on their web platforms before relying on One Login or identity services so that digital teams can deliver secure, inclusive, and resilient services that residents trust.
Why digital identity matters for councils
Digital identity is increasingly becoming the front door to public services online. GOV.UK One Login lets users sign in with a single email address, password, and two-factor authentication and then reuse that identity across services without repeated verification.
More than 13 million people have already verified their identity with GOV.UK One Login to access central government services, with plans for full adoption across all government services by 2027.
For councils, identity services promise:
- Reduced friction for residents accessing personalised services
- Lower fraud risk through centralised identity checks
- Fewer call-centre queries when systems can confirm identity automatically
At the same time, identity services expose assumptions that many council web platforms currently make about authentication, data ownership, and service design.
A checklist for council platform prerequisites
Rather than adopting identity services first and asking questions later, councils need to ensure the following foundations are firmly in place.
1. A secure, modern authentication and integration layer
One Login is not a standalone bolt-on. It integrates with a service’s authentication logic.
Councils must ensure their website and transaction platforms can support single sign-on (SSO) and delegated identity verification rather than maintaining disconnected sign-in systems.
This means:
- An integration layer that can communicate securely with One Login endpoints
- Support for modern authentication protocols (e.g. OAuth, OpenID Connect)
- Strong session management, logging, and security controls
Without these, councils risk creating new login loopholes and duplication of identity logic.
Statistically, national public sector digital identity adoption shows that integrated login systems increase successful completion rates across channels when they are architected as part of the platform rather than retrofit later.
2. Structured, authoritative content and resident journeys
AI and identity services both depend on clear, authoritative content structures.
When services ask residents to authenticate, the information residents receive (eligibility rules, instructions, next steps) must be consistent and accurate. This requires:
- Clear content ownership and review cycles
- Structured content models to avoid duplication and conflicting guidance
- Governance that ensures updates propagate to all relevant authenticated and unauthenticated pages
If residents see one set of instructions when signed in and another when anonymous, that harms trust and increases support demand.
3. Accessible and inclusive experience design
Digital identity needs to work for everyone. GOV.UK One Login is designed around accessibility principles and tested with diverse user groups, including those with lower digital confidence.
But councils must also design their service interfaces to reflect this, including:
- Accessible forms that meet WCAG compliance in both normal and signed-in contexts
- Clear error messaging when authentication or identity checks fail
- Alternative journeys for users without smartphones or secure credentials
Without inclusive design built into the platform, identity services can inadvertently exclude vulnerable groups.
Example: What happens without readiness:
One council trialled connecting a resident support service to One Login before its web platform had consistent session logic. Residents reported that after signing in successfully, they were still shown public pages that mentioned services they were not eligible for. Follow-on transactions failed because the system did not reconcile identity with eligibility rules.
This is a reminder that identity becomes an operational dependency, not just a feature. If the underlying platform does not enforce identity context cleanly, resident experience can regress rather than improve.
4. Governance and assurance for identity and data
Identity services increase the stakes for councils because personal data and authentication are tightly regulated.
Before rollout, councils need robust governance around:
- What user data is stored and processed on council systems
- How identity proofs are linked to local records
- Audit trails for authentication and access decisions
- Clear error handling and support processes
Councils must also understand how identity decisions made via One Login integrate with internal assurance processes, including data retention, privacy policies, and incident response.
Privacy notices and user consent mechanisms should be clearly visible and up to date, with separate guidance for identity verification and authentication processes.
Operational impact and staff readiness
Identity services affect more than technology - they can also influence how teams work.
Support staff need confidence to assist residents with login issues. Developers must understand authentication flows, content editors should ensure that authenticated and unauthenticated journeys remain aligned.
If a council launches identity-backed transactions without training and operational readiness, support channels become overwhelmed and that’s exactly the opposite of the intended outcome.
Key things for councils to prioritise now
Rather than waiting for full One Login mandates, councils can make progress today by:
- Auditing current authentication and integration layers
- Identifying key services where identity will add value (e.g. benefit claims, housing support accounts)
- Aligning content and service journeys with authenticated context
- Establishing governance for identity data, privacy, and assurance
Identity as a capability
Digital identity will become fundamental to how residents interact with public services. As GOV.UK One Login expands and platforms such as GOV.UK Wallet or digital ID frameworks evolve, council services will increasingly rely on shared identity infrastructure.
For councils, readiness does not mean waiting for a deadline. It means architecting platforms, content, governance, and operations in ways that recognise identity as a core requirement for modern public service delivery.
When identity is treated as a capability rather than an add-on, it enables councils to offer secure, personalised, and efficient digital services that residents can rely on.
Want to explore how your council can prepare its web platforms for One Login and modern identity services?
At Axistwelve, we help UK councils align platforms, content, and governance so that identity services strengthen digital capability, assurance, and resident experience. Get in touch to find out more.
