Op the heading on your thread isn't accurate, it should have been
''Partner is financially abusing me'' because he wants a bigger share in the house because he thinks his work shouldn't benefit you.
He wants you to continue paying 50% of bills etc when you will be earning much less on maternity leave.
What next ?
Will you be expected to pay him to do any childcare ?
Will you need to pay him to take time off when child is unwell ?
Will you need to repay him if your DC draws on the walls ?
I think he actually expects you to 'pave his way' financially, just so that he 'feels in control' !!
Fuck that ! Who the hell does he think he is ?
It's his DC too, and he needs to understand that you will not be forced into handing over more of the house for him to invest in his 'business' ! It's his bloody business, which I'm very sure he has ring fenced accordingly !
Step 1 - You tell him that your contribution was EQUAL during the 'renovation', so you've drawn a line under that and will NOT be discussing ridiculous 'ideas' about bloody @recompense' !
Step 2 - Tell him that unless he changes his tune and actually presents a fair financial 'contribution' for you while you are on Mat leave, then you will be seriously thinking about selling up and moving forwards alone. With this in mind, tell him you're happy to 'compare notes' on your 'contributions' to the 'partnership'.
Step 3 - You present him with a detailed list of your 'contributions' and their associated 'costs'. e.g
Childcare - 24 hrs a day @ £24 per hour
Laundry/ironing - 12hrs weekly @ £12 per hour
Shopping - 6hrs weekly @ £15 per hour
Cooking - 25hrs weekly @ £20 per hr
Admin - 12 hrs weekly @ £18 per hour (including any done for his work)
Housework - 3 hrs daily @ £15 per hour
etc etc
Also detail loss of earnings and earning 'potential' due to pregnancy and birth, reduction in pension contributions, loss of probable 'promotion' opportunities, maybe having to go part time (including loss of pension contributions), cost of surgically 'fixing' stretch marks/muscle damage/ scarring etc and any pregnancy/birth associated body changes etc
But remember to detail everything !
Step 4 - Ask him to detail his daily 'contribution' to you lives (NOT just his financial contribution) and compare lists.
Ask him why the hell he thinks you should still pay 50% of the bills when your 'contribution' to your daily lives smooth running is so much higher than his ????
It's NOT about his bank balance, it's about being a team !
If he still refuses to 'see the light', then I'm afraid he's financially abusive and you're far better off leaving, as this will not improve, ever.