David Cameron said he would recommend the deal, which said gives the UK “special status” in the EU, to his cabinet on Saturday.
The agreement reached following drawn-out negotiations in Brussels paves the way for the UK’s EU referendum.
Downing Street said it included a “brake” on welfare payments that can apply for seven years.
Another sticking point, child benefit curbs, will apply to existing claimants from the start of 2020.
