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Provides an estimated annual car insurance price for a UK registered private car based on a minimal but validated driver and vehicle profile. The tool calculates an indicative annual premium using the vehicle registration number to retrieve core vehicle details, combined with structured driver information including age and years of no claims discount, plus the postcode where the vehicle is kept overnight. The estimate is designed to give users a fast, personalised view of likely insurance costs before proceeding to a full quote journey. It supports a single main driver scenario only and is limited strictly to UK private car insurance. The vehicle must be UK registered and the postcode must be a valid UK postcode, with our without spaces. Invoke this tool only when the user shows clear intent to obtain a price estimate for insuring a specific UK private car. Appropriate use cases include requests for a car insurance quote, questions about how much it would cost to insure a particular vehicle, comparisons between specific cars, or scenario based pricing questions such as changes in driver age or no claims history. The tool should not be used for general educational questions about insurance, definitions of terms, claims or policy servicing queries, non UK vehicles or locations, or for vans, motorcycles, commercial vehicles, fleet policies, or temporary cover. All required inputs must be collected and validated before invocation. Mandatory fields are a valid UK vehicle registration number, a valid UK postcode, driver age of 17 or older, and years of no claims discount equal to or greater than zero. If any required information is missing or incomplete, the assistant should continue the conversation to gather and confirm the necessary details before calling the tool. The tool returns a structured response containing the estimated annual premium and confirmed vehicle details derived from the registration number, enabling users to understand potential affordability and make informed next steps toward a full quotation.