I think there's someone in my house

Ok I'm on my phone so it's really silent (it's an iPhone so the keys and everything make literally no noise) I made this account just for some advice…
I'm 13 and I'm in the house on my own. It's my mums birthday and I've not been feeling well all day so I didn't go out with her. I have a sister and a brother (twins, 18) and they (with some of my mums friends) went bowling since like I said its her birthday…
And there's creaking noises. Like, footsteps and sounds downstairs. I live in a pretty okay area, two floors, and I'm upstairs in my room. The noises are coming from downstairs.
Like, rustling of papers, creaking, footsteps and just basically noises you wouldn't hear when there's nobody there.
I have three cats. I can hear them prowling around AS WELL as the noises.
It's a very old, Victorian house…
What should I do? I'm scared like god knows what I'm almost crying I can feel my heart beat really fast it's awful…
The sounds are really erratic and loud, like someone's trying hard not to make them.
WHAT SHOULD I DO!
I'm so scared please help?

Call the police?

Silly Goose.

Uh call 911.It's better to have a false alarm then be dead

Text your mom NOW! Tell her it's an emergency and that you hear footsteps and *** downstairs!

Just open your door a tiny bit and see if you can hear better. If you are certain there's someone downstairs, call someone. A frend or relitive. Get them tocome round

I live in a big Victorian house too and it's always making all kinds of noises, also if its a terraced house there may be noises coming from next door. Plus if you're in home alone you're probably just feeling a bit jumpy and paranoid, as I often do and your senses will be right on edge. Stick a film on or something.

You have your phone, call cops.

Do you have any wieldable items in your room? Baseball bat? Musical instrument? Anything you can use for protection?

If your really that scared call the police.

You look cute.