The Canberra couple had grand plans for a "very, very, very big celebration involving hundreds of people at Albert Hall" followed by a second ceremony for friends and family at Yarralumla Woolshed weeks later.

When social distancing measures banned wedding parties bigger than five, the couple decided to take advantage of a drive-thru wedding service which launched in Australia last month.

The revised plan was to include a celebrant and a photographer who would live-stream the service to guests.

Following Prime Minister Scott Morrison's advice the country will enter the first of three phases to reduce social-distancing, ACT Chief Minister Andrew Barr announced weddings of up to 10 people would be allowed as of yesterday.

With the Mt Ainslie wedding set for their anniversary on the third week of June, changing circumstances could require another revision of the guest list.

Miss Khan said their pandemic wedding plan could be adapted alongside national and territorial developments.

"We're reasonably low-key people," Miss Khan said.

"Andy will happily go along with whatever."

As Canberra is one of the few places in the country without a registry office, the couple weren't given the opportunity for a "legals only" signing of certificates.

Instead they adapted the business model of I Do Drive Thru, launched in several Australian cities last month, which sees couples exchange vows in the back seat of a car.

With couples around the country facing disrupted plans as a result of COVID-19, the company had more than 50 bookings in its first fortnight of operation in Australia.

Founder Mel Jacob said the service was born as a way for celebrants to keep working under the restrictions.

"Even in a time of uncertainty love still exists and people still need to celebrate. There is still every reason to commit to marriage," she said.

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"Imagine looking back on COVID 2020 with the fond memory of getting married in this unique way."

Miss Khan currently plans a drop-off rather than drive-thru wedding at Mt Ainslie when the date rolls around next month.

Miss Khan and Mr Watson will live-stream their wedding so that everyone can watch them from their phones or computer screens.

"This way we get to involve a lot more of our friends and family that we might have otherwise got to," she said. "And it happens to be at minimal inconvenience to us."

With "just too many moving parts" at play to get a Woolshed or Albert Hall wedding over the line, Miss Khan this plan is way more manageable.

"I for one am a little bit relieved," she said.