You might find the information you're looking for here:
Thread to keep track of the withdrawals of South Western Railway suburban stock, as part of the replacement by Class 701 trains. As of September 2026, all 455/456/458-5 and 707 have gone from the network. There are no more booked workings for 458-4.
www.railforums.co.uk
I'm not as awkward as to just dump a link without helping you though - and can tell you that SWR won't be operating them as of Monday. There is some uncertainty as to whether or not they will run tomorrow, as engineering work means fewer stock is required. There are two pairs out today, one of which ends at Wimbledon Depot and one of which ends at Clapham sidings. As neither end and overnight at a station, it's unlikely they'll carry on tomorrow.
More information is plentiful in that thread
