"The planning policy in East Jerusalem since its annexation in 1967 is affected by political considerations and infected by systematic discrimination against the Palestinians living there. While extensive building and enormous budget allocations have been the rule in Jewish neighborhoods, the Israeli government has choked development and building for the Palestinian population." --read more on B'Tselem's website.
House's demolished, from B'Tselem's website.
Total Palestinian buildings demolished
Total Jewish buildings demolished
It's an important issue, so here are some articles:
How archaeology is used to justify demolishing Palestinian houses:
Ir Amim provides a lot of documents on this issue: