Plan A....or B

[DumbledoresWand]

My dad died last year, I am the only beneficiary. I lived in the same village and was his carer. After his estate was settled there is approx 50k sat in a savings account.
I am in a civil partnership, my partner has their own house, I have my place which is shared ownership- I own my share outright.
Plan A - we stay as we are, in our own homes and I look to invest the £50k
Or
Plan B - I sell my place and move into partners house, and invest that money, around £80k, along with my inheritance.

I have one adult child, partner has no children.
I have a reasonable Civil Service pension, which I already receive and work part time NHS.
Partner is retired with a good pension
We lived together during covid without any problems - but I moved back to my place when my dad became ill

It seem odd that you are only looking at this from a financial point of view. Surely the big question here is do you want to live with your partner or not?

@Backtothedungeon
We have lived together before.. before this relationship I spent 14yrs as a single mum, being responsible for everything, and I think a good bit of that independence is still there. I have been through a messy divorce many years ago, and it was a long slog getting things back on course financially, so maybe I am looking at things from a financial point of view?
My rose tinted glasses came off many years ago :)

Can you increase the percentage owned of the house you live in?

@wantmorenow ... I can, upto another 25% but cannot buy outright.
The amount to buy the extra % is the equivalent of 20yrs rent, and as I'm in my late 50s, I'm not sure how beneficial that would be.
Also as its shared ownership I can't let the property out.

How much would your contribution of the house be in plan B? Would that mean you own half? More/less? Obviously don't invent a penny on B without legal advice and things drawn up properly.

How would this affect any money you wanted your child to inherit? Could you leave them half your partner’s house (or however much of it you will own). You will need to consider this as if you die before your partner then your child could get nothing if your share of the house goes to your partner.

@ZeroFucksGivenToday .. I would pay half the bills.
As it stands at the moment partners Will has me as beneficiary for 75% of husband estate with a charity getting the rest...if anything happened to him I would have to downsize anyway as the house is too big for me to run... My Will leaves everything to my child..
Living together is not a concern - I just feel a but like I'd be giving up everything I've worked for, even though it makes financial sense to live as a couple under one roof

@Tristar15 ... partners Will leaves 75% of everything to me. My Will leaves either my property or whatever is in the bank to my child.
My partner is not in need of any inheritance from me, and we both understand what is in each others Wills

Either way, you are going to invest the 50k inheritance so invest that first in a stocks and share ISA or Sipp or whatever works for you.

Then separately, decide if you want to sell up and move in with your partner. That is a more complicated emotional and practical decision for you & partner to discuss.

Re buying a bigger share of house. I guess it depends if reducing the future rent is necessary for a good standard of living or whether you can comfortably afford it in retirement.
You could take in a lodger under the rent a room scheme in a shared ownership. I believe it's £7500 tax free per annum. Lodgers are not covered by the same protective rules that assured short term tenants are. Depending upon local rents it could be as good a return as letting house as tax free and fewer costs. Means you keep house as your main residence with bills, council tax etc in your name but you can stay with your DP and hopefully have enough additional income to contribute to his costs.
Personally I would happily stay with a DP but not entangle my finances with one again especially not in something so binding as joint property buying. Invest your money in shares, Sips etc and enjoy life with the security of having your own home to return to should circumstances change.

@parietal ...I think you're right about treating it as 2 separate issues, invest the inheritance and then consider future living arrangements
@wantmorenow I wasn't aware that you could rent out a room in a shared ownership property - this is something I will look into further
I am also loathe to mix finances, especially after previous experiences. I have no reason to believe my relationship will fail, but wouldn't want to put myself into a potentially vulnerable financial position again