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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

How would you split bills with new partner

19 replies

Justbn · 11/08/2026 18:02

Housing bills in particular including Mortgage. Buying together with equal deposit.

Partner 1 - earns £80,000
Partner 2 - earns £40,000

Both work full time , no kids.

Split equally or proportional to salary?

OP posts:
Idontjetwashthefucker · 11/08/2026 18:26

Proportional

venusandmars · 11/08/2026 18:26

Mortgage equally 50/50 no doubt. If you are partners and not married.

Then bills proportionate to salary (2 thirds and 1 third so P1 is paying twice as much as P2)

But if P2 can't afford 50% of mortgage and 33.3% of household bills then they are living a lifestyle that they cannot afford. Therefore pay lesser percentage of the mortgage with agreed reduction in equity share.

Either way both contribute equally 50/50 to all the household tasks and life admin.

Also a useful balancing viewpoint to look at how much you each have left after paying mortgage and bills commitments (and saving). Discuss how any disparity might impact your relationship. If P1 has lots left and either spends selfishly or wants P2 to join in (when it is not possible for P2 to pay) - that's a problem. If P2 has nothing left every month, then what? No dinners out, no holidays?

P2 should be prioritising saving - something, anything, as much as paying their share of the mortgage and bills

Discuss, discuss, discuss - every scenario, every feeling.

Then what if you did have kids? Is P2 expected to give up work / reduce hours / take on more of the household load? Talk about it all now.

Firefly100 · 11/08/2026 18:34

50/50. There are no children involved so P2 has the same ability to earn as P1. That P2 do not do so is not a reason to expect P1 to subsidise them IMO. But then P1 will have to live a lifestyle P2 can afford, or choose to subsidise them if there is something they want to do together

arethereanyleftatall · 11/08/2026 18:38

Equally at this stage.
Assuming you bought a house the person with the lower salary can afford.

Ponderingwindow · 11/08/2026 18:42

The first question is the home comfortably within the lower earner’s budget. That doesn’t mean can they stretch. Is it well within their budget so they can still enjoy their life and save if they pay half?

OutOfTheOtherSide · 12/08/2026 07:52

50/50.

ViciousCurrentBun · 12/08/2026 07:54

Mortgage 50/50, other bills as a proportion and stuff like cars are solely the responsibility of the owner.

@venusandmars post nails the actual details.

Doggymummar · 12/08/2026 08:35

Fifty fifty, until marriage and kids

LemonSnail · 12/08/2026 08:43

50/50

NiceCupOfChai · 12/08/2026 08:51

Fifty fifty and only buy a property P2 can afford (by that I mean they can afford equal deposit, equal mortgage repayments, equal living costs). If you were married I’d say pool your money.

RVectensian · 12/08/2026 08:58

NiceCupOfChai · 12/08/2026 08:51

Fifty fifty and only buy a property P2 can afford (by that I mean they can afford equal deposit, equal mortgage repayments, equal living costs). If you were married I’d say pool your money.

Agreed. If P1 wants better then they need to be happy with a proportional split.

Assuming this is a long term partnership or marriage, and not a boyfriend/girlfriend of a year.

Overthebow · 12/08/2026 08:59

No kids and not married so 50/50.

Teenagerantruns · 12/08/2026 09:02

We split 50/50 when we first moved in. DP paid for holidays and more expensive house purchases and nights out as they earned double what l did.
Its kinda swapped round now as l earn more.

risingup · 12/08/2026 09:05

Is there any reason why you're not just getting married? Wouldn't that make life a whole lot easier?

HeddaGarbled · 12/08/2026 19:45

The problem with both 50-50 and proportional, is that the richer partner (and the disparity is big) will have so much more money under their sole control than the poorer.

I genuinely think that if you’re committed enough to the relationship to buy a home together, you should show that commitment by joining finances.

So personal spending money equalised, everything else in a joint pot.

Boreded · 12/08/2026 19:47

Proportional to take home

Boreded · 12/08/2026 19:48

Boreded · 12/08/2026 19:47

Proportional to take home

Tbf I’ve said this but the answer should be ‘pooled’

SchnitzelAgain · 12/08/2026 19:50

I wouldn’t be buying or splitting anything with a new partner. 😳

Simonjt · 12/08/2026 19:51

If you wish home ownership to remain equal surely 50/50 on the mortgage then proportional. If you marry I would personally go for everything in one pot and then you both having x amount of pocket money each month.

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