BT cordless handset and docking charger (Whitemans Green RH17)

I had a cordless phone with two handsets. One of the handsets stopped working and foolishly I put it out for recycling, only afterwards realising I would probably only have needed to buy new rechargeable batteries for that handset! I am therefore hoping someone has a spare BT handset with docking charger. The phone model is a BT 3560 but I am considering that any BT handset will be compatible