The English Lose Their Capital City

I wrote the following to my English Member of Parliament.

On Sunday evening I walked along the South Bank of the Thames, almost opposite the House of Commons. The area was populated almost entirely by non ethnically English people. Perhaps you and your fellow Members of Parliament would care to take the time to see for yourself that example of an area of London that has been occupied by foreign people?

According to the 2011 Census the English population of London is now a minority 40%. I thought it had been British policy to defend the country from invasion, but it seems that as Cities of old were given over to their enemies by having their gates opened treacherously by night, the gates of the UK have been stealthily opened by an enemy within.

What policies do the Conservative Party have to correct and reverse the Labour Party policy mistakes and to reverse and repair the damage it has caused?

Is there any other real practical solution apart from the encouragement of repatriation of those immigrants who were mistakenly admitted en mass to the UK, without the express democratic consent of the English people?

Not unexpectedly,I received no reply.
If the democratic process cannot defend the English from occupation, what hope is there?