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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

Sibling buying beside us

269 replies

apriljuneandnovember · 21/04/2026 15:56

How you would feel if you found out that a sibling had purchased a house in your estate?

And that they no intentions of telling you until after contracts were signed. Purposely told other family members to keep it a secret.

We find it bizarre.

But apparently we have no right to complain as we cannot dictate where anyone chooses to buy.

AIBU to think they should have given us a heads up?

FWIW I don’t think it’s healthy. I feel we spent enough time living in close proximity during our childhood. I value my space and privacy. I feel I am going to lose that.

Also said sibling isn’t the easiest to get along with

OP posts:
apriljuneandnovember · Yesterday 14:24

Rhaidimiddim · Yesterday 14:05

So the drama has started, and she hasn't even moved in yet.

It sounds like she's your DH's sister. He needs to stop "pleading", and to stop caring what she does.

Be prepared for the nice gang of kids to get infiltrated and turned against you.

What makes you say that? That the kids friendships will end up infiltrated? You’ve sent a shiver up my spine!!! 😩

OP posts:
Ilovelifeverymuch · Yesterday 15:46

apriljuneandnovember · Yesterday 13:36

We can’t move at the moment. Can’t afford it. Plus the kids are so happy here with all their friends. Our DS struggled to make friends in school but has a lovely gang of friends here on the estate (they attend a different school in the area) so for his sake we will put up and shut up for now.
She blocked us on WhatsApp and on her phone. not social media. She briefly unblocked DH to get a point across then re blocked him shortly after so as he couldn’t reply. All quite cruel really!

Moving house doesn't make sense and as you said is unaffordable.

What you need to do is set your boundaries very quickly and very FIRMLY.

No popping over whenever she wants to dropping her kids or trying to make you respond to her neck and call. The earlier you and your DH stand your ground and push back the better if not you will end up dancing to her tune and building resentment.

Are your parents/family afraid of her? Why did they agree to keep it a secret from you?

Ilovelifeverymuch · Yesterday 15:49

apriljuneandnovember · Yesterday 14:17

What age are you? Do you honestly think their behaviour is acceptable? That it’s acceptable to insist the family keep a secret from one sibling and when confronted about it simply block the person (and their spouse)
They then unblock them briefly when they want to get a point across, then immediately reblock so as the person doesn’t get a chance to reply? That behaviour is absolutely pathetic. Is this really how families operate?? I’m not arguing with you ✌️ this is an honest question - do people really consider this an acceptable way to behave??
The reason for the ‘angst’ is clear - for whatever reason they wanted us to be kept in the dark about them planning on buying a house close to us. Family agreed to keep their secret and then they refuse to have a conversation with us about it - lousy behaviour if you ask me!

But yes, we will live and let live! We’ve got no other choice

Don't bother trying to engage and argue with her. You can't stop her from buying the house and she obviously has issues so leave her alone but as I said in my previous post set your boundaries quickly and firmly. And frankly it doesn't seem like you have close relationship so I don't think you're losing anything.

Rhaidimiddim · Yesterday 15:50

apriljuneandnovember · Yesterday 14:24

What makes you say that? That the kids friendships will end up infiltrated? You’ve sent a shiver up my spine!!! 😩

Well, if your relatives have children in the same age range as yours, and are living on an estate where there is a (I think I recall your phrase correctly) nice gang of kids - implying that they are friendly (and I'm thinking footie on the green, meeting up at the skateboard thing).

Then surely your relatives' kids will get involved in that. At the very least, the relatives will befriend the neighbours.

I'm sorry, I didn't mean to spook you, but your relatives aren't just moving into your physical location; they are moving into your social space.

Edited to move some extraneous words

Agapornis · Yesterday 15:57

This will be their 4th property in approx 10 years.
With that history - ignore for 2.5 years, then she'll move away again.

apriljuneandnovember · Yesterday 16:06

Rhaidimiddim · Yesterday 15:50

Well, if your relatives have children in the same age range as yours, and are living on an estate where there is a (I think I recall your phrase correctly) nice gang of kids - implying that they are friendly (and I'm thinking footie on the green, meeting up at the skateboard thing).

Then surely your relatives' kids will get involved in that. At the very least, the relatives will befriend the neighbours.

I'm sorry, I didn't mean to spook you, but your relatives aren't just moving into your physical location; they are moving into your social space.

Edited to move some extraneous words

Edited

Yes this is likely. Both they and their DC are quite outgoing. I wouldn’t expect that they will keep themselves to themselves or not integrate with the estate/community.
We aren’t exactly off to a good start so will need to figure out how we protect both ours and DC’s friendships/relationships around here.

OP posts:
apriljuneandnovember · Yesterday 16:08

Agapornis · Yesterday 15:57

This will be their 4th property in approx 10 years.
With that history - ignore for 2.5 years, then she'll move away again.

That’s what DH said 🤣

OP posts:
WhereYouLeftIt · Yesterday 17:06

"We spoke with DP’s who told us that sibling had sworn them to secrecy until contracts were signed."
I would be completely fucked off with my parents if they did that to me.

Except - they would never have dreamed of keeping me in the dark. They'd have told my sibling to get a grip, and probably have told me the next day of sibling's demand request with a roll of their eyes.

Why did your parents agree to this, @apriljuneandnovember ? Is your sibling the Golden Child who can do no wrong? The type to threaten grandparents will never see grandchildren again? Or are your parents as batshit as your sibling?

apriljuneandnovember · Yesterday 17:30

WhereYouLeftIt · Yesterday 17:06

"We spoke with DP’s who told us that sibling had sworn them to secrecy until contracts were signed."
I would be completely fucked off with my parents if they did that to me.

Except - they would never have dreamed of keeping me in the dark. They'd have told my sibling to get a grip, and probably have told me the next day of sibling's demand request with a roll of their eyes.

Why did your parents agree to this, @apriljuneandnovember ? Is your sibling the Golden Child who can do no wrong? The type to threaten grandparents will never see grandchildren again? Or are your parents as batshit as your sibling?

They played dumb as though they couldn’t see an issue with it. But I know for a fact that neither of them would have liked living close to any of their own siblings. Nor would they be ok with the secrecy if it were them in our position.
I think they are afraid of her. She’s difficult and quite volatile at times.
It is also rather convenient for them having us all living beside each other….probably think that we can help her out instead of her asking them all the time. Which won’t be happening btw!!!!

OP posts:
UniversityofWarwick · Yesterday 18:02

It is weird. Hopefully you can maintain boundaries, though.

I hate the idea of living in the same country as my sibling.

Weald56 · Yesterday 18:10

Set your boundaries from the start, e.g. no "emergency" childcare for them (whatever sob story or emotional pressure they use), don't let them in if they knock on the door if the timing doesn't suit you etc and, above all else, don't give them a key (or accept to look after a spare one of theirs).

Raspberrywhite · Yesterday 18:21

OP, your husband shouldn't be pleading.

Respect their decision to block you and block them back.
That will stop them being able to ask for anything.
Remain polite if you bump into them.
Absolutely no invitations into your home and don't accept any.

You can say "lets keep things civil and the best way to fo that is minimal contact".

And stick to it.
Pretend they don't exist.
If your children are happy, use that as motivation to stay civil but very distant.

TheCheekyCyanHelper · Yesterday 18:27

apriljuneandnovember · 21/04/2026 16:17

A communal green area separate us. They will have to walk/drive by our house every time they want to leave the estate. We have no reason to be over their side (so they retain some privacy, we don’t)
We will have similar schedules- school drop off in the mornings for eg so will bump into them or pass them on the road each day

Wow are you massively overreacting. I can see now why they didn't tell you.

PocketSand · Yesterday 18:34

There is little evidence to suggest that your sibling is moving to the same estate you live on because of you and all you can offer. Your living there is incidental. Problematic but not insurmountable. She may wish you lived elsewhere. But the reality is that you don’t.

You don’t get on. She didn’t want you to know her family was moving to the same estate. Wider family would not have kept it secret unless they believed you would kick off unreasonably.

And they were right - my estate, protect my DC and my friendships and relationships against their integration into the community. Why would you want to stop the family from integrating? This is not rational.

There is no evidence that they want to use you for childcare or school runs. You don’t block people who you may rely on for support. They’ll probably just ignore you and build other networks of mutual support with other parents

You may meet at family gatherings so you really need to find a way to live with this that you are comfortable with and move on. Given there was no abuse, childhood sibling rivalry is not a hill to die on.

TheCheekyCyanHelper · Yesterday 18:34

apriljuneandnovember · 21/04/2026 19:09

I said I value my privacy. Not that I deserve privacy more than they do.

So are you honestly saying that wouldn’t find it strange to hear via a 3rd party that your sibling intended on moving to the estate you live in? And that they had family sworn to secrecy?

BS!!!!!

I get why they wouldn't tell you. You seem nosey, and kind of creepy about them daring to live in the same neighborhood. They chose the house that works for them and their children the best.

apriljuneandnovember · Yesterday 18:35

TheCheekyCyanHelper · Yesterday 18:27

Wow are you massively overreacting. I can see now why they didn't tell you.

Yes massively overreacting. Secrecy and cloak and dagger behaviour amongst siblings is no big deal at all. Totally normal 🤣

OP posts:
Whoops75 · Yesterday 18:36

I would HATE this!
You can’t do anything but maintain a boundary and hope they don’t f**k it up for both of you.

MaddestGranny · Yesterday 18:43

i'm sorry you've received so much flak form other posters. I'm with the PPs who think that your sibling is seriously weird. Take on board all the tips about boundaries. Go with the PP who said: "if your sibling is true to form, they'll move in 2yrs". But, at the same time, start saving into a "moving to another part of the same estate" fund.
Good luck, OP. Don't let 'em grind yer down.

Peony1985 · Yesterday 18:43

Twasasurprise · 21/04/2026 22:01

Because it is the best home for them and their family? It's not next-door, despite the title, so no need for frequent contact unless wanted.

If it's a huge a city with hundreds of options, it is certainly more strange.

But as OP has stated there are only 2 other similar options available, it is feasible that this is better than the other 2 despite the sibling living on the same estate.

Schooling, garden orientation, parking, utilities, overlooked garden, room sizes, etc are some of many possible considerations that could render this property superior despite a potentially tricky sibling who is easily avoided.

How much contact does everyone else have with their wider neighbours? We have very little unintentional contact other than nodding or passing the time of day while walking the dogs. We don't live in each other's pockets, especially with tricky people that have blocked us.

(ETA. I've never blocked nor been blocked, so there aren't many "blockees" that I might move near to, therefore hope I never risk offending them.)

Edited

I get that people don’t really kniw their neighbours. However I think it’s a bit different if you already know someone, especially if you have some meaningful connection.

I moved after my DP left me pregnant for another woman. Two years later that OW moved to my estate. Even though we had zero contact it was horrible and it would bring back those sad times every time we drove past each other or I had to walk near her road.
There’s always the tension that we might have to meet at some local event.
It’s weird anyone would chose to move near to people they don’t like but have connection with.

Snaletrale · Yesterday 18:50

They can only take advantage of you if you let them. Stay firm.

Arkhamasylum · Yesterday 18:54

All of this pointless cloak and daggery seems manufactured to create drama, not stop it. Did the sister think that if she didn’t say anything and just turned up in the house opposite that all would be calm and straightforward? It’s bizarre. If the OP was unreasonable about not wanting to be near her sister before this, she certainly isn’t now!

Sennelier1 · Yesterday 19:11

I have been taken advantage of my whole life (firstborn of 7). If one of my siblings pulled this trick I would move away as far as possible.

ChocolateCinderToffee · Yesterday 19:23

I don't blame you at all and I can't help wondering WHY they chose to live next to you since they're so happy to block you.

I'd block them back and completely ignore them. Obviously they plan to rope you in to childcare. I'd also be furious with your parents for playing along with this.

Twasasurprise · Yesterday 19:34

Peony1985 · Yesterday 18:43

I get that people don’t really kniw their neighbours. However I think it’s a bit different if you already know someone, especially if you have some meaningful connection.

I moved after my DP left me pregnant for another woman. Two years later that OW moved to my estate. Even though we had zero contact it was horrible and it would bring back those sad times every time we drove past each other or I had to walk near her road.
There’s always the tension that we might have to meet at some local event.
It’s weird anyone would chose to move near to people they don’t like but have connection with.

While your situation was obviously incredibly hurtful, the OW moving nearby is hardly comparable to your sibling that you have a perhaps slightly strained relationship with.

They didn't seem to have major issues with each other before, only now OP has created one as the sibling wasn't respectful enough to consider moving to the same neighbourhood and asked family to keep the possibility a secret from OP and her DH.

apriljuneandnovember · Yesterday 20:01

My gosh that is horrible. Did she know that you lived there before she moved in? That’s it, it’s going to feel tense and I know I am going to find that really difficult.

@peony1985

OP posts: