From 6 April 2015, only IELTS and Trinity College London English language tests will be approved by the Home Office as secure English language tests (SELTS) for immigration purposes.
IELTS tests can be taken around the world, but Trinity College London tests must be taken in the UK.
English language tests taken before 6 April 2015 from the current list of approved SELTS can be used in immigration applications until 5 November 2015. From 5 November 2015, only IELTS and Trinity College London tests taken on or after 6 April 2015 will be acceptable.
On 19 February, the Home Office told education providers that
want to go to a UK-based test centre will be able to book online with the new
providers Trinity College from this week and with
IELTS from 26 March 2015."
"The new SELT
test centres are spread throughout the UK and the rest of the world and will
continue to provide easy access for applicants. Applicants should go online from 26 February
to find out where their nearest test centre is located"
Update: On 18 March the Home Office told us that the locations of IELTS test centres will be made available on 26 March, when the booking system opens.