The phrase "a dramatic extension of this" is correct and usable in written English.
It can be used when discussing a significant or notable increase or elaboration on a particular idea or concept.
Example: "The new policy represents a dramatic extension of this approach, aiming to enhance community engagement."
Alternatives: "a significant expansion of this" or "a substantial elaboration on this".
For a start, the promise of "new indicators" to measure progress suggests a dramatic extension of the philosophy underpinning Louise Casey's Troubled Families project.
Given that the moon landing was a dramatic extension of the possibilities of communication (as President Nixon said when he was patched through to the men on the moon, this had to be "the most historic phone call ever made"), the fact that it could be broadcast live on TV was itself part of the story.
Paul C. Light, an expert on the federal bureaucracy at New York University and the Brookings Institution, the liberal-leaning research group, called the administration's policy "an aggressive and a dramatic extension" of the effort by both parties at all levels of government to save money and improve the quality of public services.
We believe that also the optimization of the active region with better utilization of the nanofaceting effects may enable, in addition, a dramatic extension of the emission wavelength towards bright red (620 630 nm) and, probably, yellow (∼580 nm) spectral ranges.
An evolution of the right to withdraw to a point where it can be immediate, without giving reasons, and to the extent that all samples and data should be destroyed, is a dramatic extension of the conditional and minimal right originally set out in the Nuremburg Code.
The higher the information content in a representation of data, the greater the aesthetics -- a dramatic extension of the notion of aesthetics into the Information Age.
Simon Stevens, NHS England's new chief executive, has announced a "dramatic extension of patient power", by providing cash for vulnerable patients to buy their health and social care.
While this all applies to the private sector too, the report identifies scope in the public sector for a dramatic extension of flexible working, especially the trend of working on individual projects, rather than in fixed teams.
But the private pensions landscape has changed radically, with George Osborne using last year's budget to announce a dramatic extension of pensioners' freedoms to access their retirement fund, and removing the obligation to buy an annuity.
Critics of Home Office plans to sanction a dramatic extension of government access to private communications records mainly civil liberties campaigners and Mr Blunkett's own son, who works in the computer industry—had won the argument, Mr Blunkett concluded.
