https://www.google.co.uk/chrome/browser/desktop/
This should give you Chrome in English.
If you want to use Google.co.uk as your default search engine, you will need to configure it manually, as follows:
Click the Settings hamburger
Click Manage search Settings
In the bottom section scroll down to the "Add new Search Engine" field.
Type in google.co.uk in the first and second fields
In the third field type "http://www.google.co.uk/search?#q=%s" without the quotes
Tab out of the third field and clicked finished
Click again on Manage Search settings
Hover over the entry you just created and click Make Default (which is only visible when you hover).