knitr::opts_chunk$set(echo = TRUE)
LA codes, names and boundaries have changed over time. ukgeog
ships with internal datasets that map all changes since 2011. These mini lookups can be accessed directly as shown below. Or the function create_lookup
can be used to generate multi-year lookups and within_yr_lookup
can be used to generate within year LAD to UTLA lookups.
In April 2012 the local authority codes for St Albans
and Welwyn Hatfield
were changed.
knitr::kable(ukgeog::lookup_1112)
Source: ONS
In April 2013 the local authority codes for Northumberland, East Hertfordshire, Stevenage and Gateshead were changed.
knitr::kable(ukgeog::lookup_1213)
Source: ONS
In April 2018 the local authority district of Shepway
was renamed Folkestone and Hyde
.
knitr::kable(ukgeog::lookup_1718)
In April 2019, Suffolk and Bournemouth, Poole and Dorset....
knitr::kable(ukgeog::lookup_1819)
For a pictorial representation see this wikipedia entry
In April 2020, the County of Buckinghamshire and its lower tier districts became one unitary authority.
knitr::kable(ukgeog::lookup_1920)
For a pictorial representation see this wikipedia entry
In April 2021, the two-tier county of Northamptonshire, containing the districts of Corby, East Northamptonshire, Kettering, Wellingborough, Daventry, Northampton and South Northamptonshire was abolished and replaced by with two new unitary authorities - North and West Northamptonshire.
knitr::kable(ukgeog::lookup_2021)
For a pictorial representation see this wikipedia entry
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