review/statements

hi, i own my own house which i do not and never have lived in, i bought it in 2013 for my son his partner and 4 grandkids to live as there were in a 2 bed house with 2 girls n 2 boys, the house is paid for, but in 2020 i ended up splitting up with my partner and was unable to work due to ill health ect, i am now living with a friend whom i pay rent o each month ect, my own house i dont make any money from at all as i have never charged them rent with it been my own son/g/kids. anyway when i had to claim uc i didnt declare this which i now know i should have, anyway my point is im in middle of a review and sent id and b/statements off as asked on 28th march only had 1 more message from them few days later asking for another pic of my passport, but i have just realised on one of my bank accounts i have a direct debit that goes out each month for home insurance and now i frightened they will notice this and start asking questions any help plz or advice