The Birmingham City Theme extension provides comprehensive customization specifically designed for Birmingham city’s data portal, featuring UK municipal branding, local government styling, and Birmingham-specific user experience enhancements tailored to the needs of Birmingham citizens and the largest local authority in Europe. This specialized theme incorporates Birmingham City Council’s visual identity including official colors, logos, typography, and design patterns while maintaining compliance with UK government accessibility standards and digital service guidelines established by the Government Digital Service (GDS). The extension includes custom page layouts optimized for major UK municipal data presentation, specialized templates for metropolitan local government datasets, and integration with Birmingham’s extensive digital services ecosystem and UK government platforms. Advanced features include UK localization with Birmingham regional considerations, specialized widgets for displaying metropolitan authority data such as planning applications, council meetings, public services information, transport data, and Birmingham-specific demographic and economic data visualization reflecting the city’s diverse population and economic significance. The theme provides enhanced navigation structures tailored to major UK city citizen needs, quick access to frequently requested metropolitan data categories, and integration with Birmingham’s citizen engagement platforms and UK municipal service systems. Customizations include specialized dataset categories for major UK local government operations, enhanced search functionality with location-based filtering specific to Birmingham wards and districts, and mobile-optimized interfaces designed for citizen access to metropolitan municipal services and information. Administrative features provide content management tools for Birmingham City Council staff, workflow integration with UK municipal systems, and analytics tracking for public data usage and citizen engagement patterns across one of the UK’s largest metropolitan areas. Integration capabilities include connections to Birmingham’s municipal databases, West Midlands regional systems, UK government services, and local community platforms for comprehensive civic engagement. Essential for Birmingham City Council’s digital transformation initiatives, supporting UK municipal transparency requirements, enhancing citizen access to metropolitan local government data, and promoting community engagement through improved user experience and locally relevant design patterns that reflect Birmingham’s unique position as a major UK metropolitan center and economic hub.