If you are already in the UK with limited leave to remain, it may be possible to apply for renewal/extension of your leave to remain in the UK. Unless the Immigration Rules state to the contrary, an application for extension/renewal of stay can be submitted from inside the UK so that the applicant can continue under the same visa category under which he was granted initial leave to enter or remain.
We provide Super Priority Service for certain applications for renewal/extension of UK visa. For applications for which Super Priority Service is available you can visit our Super Priority Service.
Following are the various applications which can be submitted to the Home Office, UKVI for extension of stay from inside the UK: