Entry requirements, student visas, confirmation of acceptance for studies, ucas undergraduate application
https://www.ucas.com/undergraduate/what-and-where-study/ucas-undergraduate-entry-requirements
https://www.ucl.ac.uk/students/immigration-and-visas/tier-4-visas/confirmation-acceptance-studies
https://www.ucl.ac.uk/students/immigration-and-visas
https://www.ucas.com/undergraduate/applying-university/filling-your-ucas-undergraduate-application
https://www.gov.uk/guidance/eu-settlement-scheme-evidence-of-uk-residence