The phrase "adding to the sense" is correct and usable in written English in various contexts.
For example, "The author provided several examples that added to the sense of the story."
An old-fashioned vanity sits just outside the door, adding to the sense of yesteryear allure.
Politics as much as economics is adding to the sense of uncertainty in Europe.
The city was festooned with Palestinian flags, adding to the sense of momentousness.
It was not a helpful intervention, only adding to the sense of disarray.
Carolyn Downing's sound design pelts and pounds, adding to the sense of foreboding.
Suárez remains not for sale, with the whole episode adding to the sense of farce.
Nevertheless, in the short term the revival in corporate profits is adding to the sense of recovery.
And the drive to recall Gov. Gray Davis is gathering steam, adding to the sense of crisis here.
Officials said the report was adding to the sense of urgency behind the administration's reappraisal of its policies in Iraq.
The genuine love interest in the novel is left messily unresolved, adding to the sense of life well observed.
Ethnic retail has saved many high streets from adding to the sense that we are living in boarded-up Britain.
