The pair, who met back in 2007, were married at a surprise ceremony at their home in Spearwood.
Attendees thought they were attending an engagement and house-warming party.
Mrs Sweetman said it was a shock to everyone.
“No one knew apart from us and one good friend who came back from London to attend,” she said.
“It was a privilege to have all of our closest friends and family together for the day, all of whom have played a big role in supporting and influencing us over the past nine years.
The pair spent their 10-day honeymoon exploring Bali, Singapore and Cambodia.