With a higher demand for Restricted Certificate of Sponsorship's (RCOSs) in December 2017 & January 2018 the below table helps summarise the points systems used.
https://www.gov.uk/government/publications/employer-sponsorship-restricted-certificate-allocations/allocations-of-restricted-certificates-of-sponsorship
December 2017 - 55 points was the threshold which unless the role is skill shortage or PHD Level - the salary would need to be £55K or above as well as satisfying criteria for the RLMT
January 2018 - 46 points and as above the salary would need to be £50K or above unless Skill Shortage of PHD Level.
Such high uptake is rare as the normal limit is 21 points, however anomalies such as this can occur.
