Sometimes referred to as 'the Crypt', St. Mary Undercroft is a chapel in which London landmark?

I was taught that the Palace of Westminster and the Houses of Parliament are the same building, just different names .

houses of parliament & palace of Westminster are the same building !! so you should research your questions thoroughly to make sure their correct !!

Duff question - the Palace of Westminster IS the Houses of Parliament!

Stevie shouldn't have relied on Wikipedia. They're definitely the same building, different names.

Houses of Parliament are located within the Palace of Westminster.

SloaneRanger2019, You’ll probably find that MPsclaim office expenses for their office in the Houses of Parliament,and oh, by the way I have an office in the Palace of Westminster. And of course travel expenses between the two