Thank you for your advise. I will consider the Returning Resident visa. If it fails, BN(O) visa will be the final approach. I am still looking for a very slight chance that the Home Office will apply S4(4) of The British Nationality Law. This is for BN(O) or other British nationalities to register a...

My grandfather was born in Hong Kong in 192X and his parents were also born in Hong Kong. In 1960, he went to London with his CUKC(HK) passport and stayed there until 1982. He went back to Hong Kong occasionally between 1970-1982. In 1973, his passport had a chop stated that he had right of abode in...