Its not a ladder at all. The average age of first time buyers is 34 and they have to really stretch themselves on a mortgage when interest rates are the lowest they have ever been just to get a starter place.
I really can't see how many will move into bigger and better places.
My friend has just spent 150k on a tiny studio in croydom with a damp problem and a 25 year mortgage. She thinks she will move up the so called ladder, but I really don't see how. Her mortgage payments are 40% of income and she has NP Dependants.