You have far more rights than if you have simply live(d) with someone
The Courts have a wide range of powers to deal with all assets eg cash, pensions, property, possessions, investments
If there are children then quite often a Court will not order the sale of a property until the children have finished their education
You ought to take legal advice
Not Married?
The law is complicated
Contrary to popular belief, even if you have cohabited
with someone
for many years, you do not necessarily acquire any rights
to their property
If a house is in the sole name of the other partner, to achieve an interest in it, you would have to show that you had made an actual financial contribution towards the purchase of the property and that you both intended that you should have some interest in the property.