You do realise that both of your pensions are marital assets and whilst 50/50 is the starting point it is only fair if one of you doesn’t have to house feed, clothe and look after 2 other individuals for the next 18 years Plus the damage to that persons body and career
Stop thinking about fairness and concentrate on what you are entitled to
Just because something is in his name, like his savings, like his pension (and your personal pension, savings etc) it is all a marital asset to be divided up.
Just as an example
If the marital home is valued at £350,000 less the £150,000 mortgage the asset value would be £200,000
Your Pensions is £50,000 His pensions £150,000 so another £200,000
Your savings £0 his savings £50,000
His car valued at £20,000. £10,000 left to pay on it = £10,000 net value
When you married if the rental properties were worth £100,000 each and both had a £75,000 mortgage on them that is a net value of £50,000 he maybe gets to keep. Now they are each worth £100,000 more. The mortgage is the same so that is another £200,000 to go in the pot.
Then there is furniture, jewellery etc and other incidentals say £10,000
So marital pot is worth £670,000 at 50/50 that is walking away with £335,000
At 60/40 in your favour as you have been financially abused and have 2 children to look after that is £402,000 as he gets to keep £268,000
You could take the marital home, your pension plus adding £92,000 of his pension to yours. All the savings and the furniture and jewellery
He gets to keep his car, the rental properties and £58,000 of his pension
I would start by getting as much documentation together of what exactly he has and where it is .
Don’t settle for less if you think it is going to be easier.
It won’t be easier. He will be a dick over every single penny and a good divorce solicitor will earn you more than settling for half the equity in the house which just on my random calculations you would be walking away with £302,000 less