Please help I'm going to lose my house

Hi everyone, I can't believe I'm actually doing this but I've come to the end of my options and this is really my last resort, I'm a single mother of three kids, up until awhile ago I was happily married and things were going well and then everything went wrong and bills have gotten on top of me, I've managed to get most of my morgage arrears together but I'm short of 400 pounds I've begged borrowed from friends and family up until this point and it looks like I'm going to lose my house for being 400 short, please I would be so greatful if anyone could help. Thank you I don't know how it works but I'll try and add a PayPal link paypal.me/erikka90 if it doesn't then my pay pal is address is erikkakasen@yahoo.com please someone help thanks