At least you know it was received and sent to a judge for further orders. So, yes, all you can do for now is wait.
Once a matter has been referred to a District Judge for consideration of further directions—especially following a procedural request like this—it’s typical that:
• The Judge will issue written directions (either granting or refusing the request), and
• The court will communicate the Judge’s decision by post—usually in the form of a General Form of Judgment or Order (Form N24).
If the matter was referred on the same day your email was received, and assuming there’s no backlog, you can usually expect something to arrive within 7–10 days. However, this can vary depending on the court’s workload and postal delays.
In the meantime, don't assume the hearing has been adjourned or moved unless and until you receive formal confirmation in writing. If you don’t receive anything within 14 days, it would be appropriate to follow up again by email, referencing your earlier correspondence and the phone call.