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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To not let sister's dog use my garden as a toilet?

197 replies

YesterdaysQueen · 30/05/2026 06:29

My sister recently moved to the same town as me but into a flat without a garden. She has a dog who only likes to do his business in a garden, not out on a walk. Since moving she has been letting herself into my garden with her dog so he can do his business in my garden as he won't do it anywhere else according to her. She does pick up after him but it all goes in my wheelie bin which stinks!

I had no problem with her dog using my garden when she would occasionally visit before but now it's become every day, 2 sometimes 3 times a day.

I've asked her to stop as I have young children who, now that the summer is finally here, want to play in the back garden and it just annoys me that all of the lawn area has had dog poo on it and as he gets a dodgy stomach fairly often, some of it is diarrhoea so my sister has been ripping up the grass in those areas when trying to pick it up.

Anyway, she's now very unhappy with me for saying her dog can't use my garden as his toilet any more and has said it's not a big deal and I'm overreacting and being difficult.

AIBU?

OP posts:
DavidStopActingLikeADisgruntledPelican · 30/05/2026 11:00

I’m sorry did you say you asked her to stop? Oh no, babe you tell her to stop. Right bloody now. She needs to train her dog to drop his guts on his walks and not in your garden.

DierdreDaphne · 30/05/2026 11:01

Dear God no! Your sister is a cf of the highest order.

Would she want you to bring your kids round to shit on her floor every day? Thought not.

crazeekat · 30/05/2026 11:03

I would be taking the dog shit and putting it into her bin. Ripped open.

Blackbird2409 · 30/05/2026 11:04

I work with dogs all day long and have my own pet and there is no way I would put up with this nonsense. She’s being very rude.

user293948849167 · 30/05/2026 11:04

No that’s gross! We have a dog and we don’t even let him use the back garden as a toilet (wee ruins the lawn and don’t like kids playing where there are potential poo germs).
He uses the front garden for emergencies and bedtime pee.

Stoicandhappy · 30/05/2026 11:12

Are you sure she won’t continue doing it? Can you lock the gate?

PepsiBook · 30/05/2026 11:16

No way. That's revolting. The dog will learn to go on grass elsewhere.
It's very intrusive of her letting herself in 3 times a day to your garden anyway. How very entitled of her.

Somerford · 30/05/2026 11:18

This would be bad enough if you didn't have children. Ripping your grass up will damage your garden over time, as will the dog weeing all over your grass. Plus the smell in your bins.

I find it bizarre that she feels entitled to trash your home like this, and thats before considering your children who are expected to play in a garden that her dog shits and pisses all over multiple times a day. She's revolting.

MandingoAteMyBaby · 30/05/2026 11:36

The grimness of dogs. Yuck.

MandingoAteMyBaby · 30/05/2026 11:37

Shit through her letterbox.

freckledsloth · 30/05/2026 11:42

Definitely not being unreasonable. It’s grim and your sister is very entitled. It’s not your fault she bought a home that was unsuitable for her dogs needs. For the sake of your DC, keep that foot firmly down!

mycarhasnoaircon · 30/05/2026 11:44

Let me guess.....does your sister have form for treating other people's homes, space, resources as her own, without reciprocating?

Seriously12 · 30/05/2026 11:45

Completely unbelievable.
You would risk your childrens health sk your garden can be used as a toilet?

And she leaves that stench in your bin?
MN really is a parallel universe.

YesterdaysQueen · 30/05/2026 13:05

Just to clarify, sis has had the dog for 13 years. She had to move due to circumstances and the flat was the only thing available to her. I understand why she wouldn't want to part with her dog so I don't judge her for keeping him. She does walk him 2 or 3 times a day so he gets plenty of exercise. He just doesn't poo when out on walks. She had asked me in the first week of her moving if she could bring him round as he hadn't been and she was worrying for him so I said yes as she had just moved and was clearly stressed out but then she kept coming more and more and it got to the point that she was reinforcing the behaviour of pooing in my garden and it just felt gross knowing there has been dog poo all over the lawn every day.

Anyway, she's been told, I've been reassured that I'm not being unreasonable so hopefully problem solved. 🙂

OP posts:
Shinyandnew1 · 30/05/2026 13:10

How bizarre she is so angry at you for saying no?!

Noodles1234 · 30/05/2026 13:37

That is gross, if it was one visit I guess your bin is sort of ok if double or triple bagged. However multiple times a day, no, should be taken back to her bin amd I’m surprised she didn’t offer this.

I think she is just being very cheeky and as you have kids residue is always left behind, you accept that or ignore it with your own dog or if you visit a park, but not your own back garden when you have no dogs.

EmmaB1309 · 30/05/2026 13:41

This is utterly grim. How dare she stink up your bin and garden with her dogs filth? Even if she thinks she’s picking it up, there will be stuff left behind and smears, especially if the poo is runny. The entitlement is off the charts. Do NOT back down over this.

sanityisamyth · 30/05/2026 13:45

However well it’s picked up, dog shit always leaves a residue. It’s utterly revolting. Bolt the gate and take her keys away.

Balloonhearts · 30/05/2026 13:50

I'd say no, the kids want to play out there now, she'll have to get him used to going on walks. He will eventually go if he needs to. I love dogs but this situation is ridiculous. Lock her out if you can.

Greedybilly · 30/05/2026 13:52

Maybe go and take a shit every day on her kitchen/lounge floor. Tell her you can't possibly shit any where else. See if you can out-mental her?? X

Hibernatingsloth · 30/05/2026 13:58

OP, you need to lock your gate/change the locks.
She's being selfish, self entitled and rude.
We're in the middle of a heatwave, dog poo stinks and it's ruining your lawn.
Tbh, if you don't change your locks I think she'll gradually just start up again.

YesterdaysQueen · 30/05/2026 13:59

@Greedybilly🤣🤣

OP posts:
Cherrysoup · 30/05/2026 14:03

Stomach issues =she's feeding him crap or he is allergic to an ingredient, unless it's due to his age.

Posywosey · 30/05/2026 14:35

What kind of dog is it? If a greyhound or similar (or even just an older dog) she needs to change its diet to sensitive food and add a probiotuc to help.

Also: its bad enough when it is your own dog. She needs to work on things and not use your garden as a toilet.

Yellowpapersun · 30/05/2026 14:42

If you have a gate, padlock it. If you don't have a gate, get one and lock it. Explain that you're worried about the health implications for your children.