may the court force all of us to sell to him

Country: United Kingdom
> >
> >
> > a house owner, my wife died. i have one son and two daughters. i gave the
> > house on rent. few months later rentee requested to sell the house to him.
> > i am not the owner but i agreed to sell and got an advance. he could not
> > pay the balance within agreed period - six months.
> > also not registered by me or him. he filed a case after two years to pay
> > and get the house. we are muslims and i am not the sole owner of the
> > house.
> > may the court force all of us to sell to him ?
> > also we donot want to sell at the old price.
> > please discuss the case as per islamic and pakistani laws
> > thanks