The Home Office firmly believes that the application fee to settle in the United Kingdom (UK) is fair and is representative of the benefits available to those choosing to permanently reside here. Visa, immigration and citizenship fees are set at a level that helps provide resources necessary to operate the border, immigration and citizenship (BIC) system, reducing burden on the UK taxpayer.
On 19th October 2017, Theresa May wrote a letter to EU citizens and their family members resident within the UK to reaffirm that citizens’ rights are the first priority, and that we are developing a streamlined digital process for those applying for settled status. The cost of which will be kept as low as possible and will be no more than the cost of a UK passport.
The Prime Minister's letter is available at:https://www.gov.uk/government/news/pms-open-letter-to-eu-citizens-in-the-uk