Bella Roma, on Claughton Street, revealed on social media that Saturday, July 25, will be its final day of trading.
In a message to customers that was shared on social media, the restaurant said it had made the “heartbreaking decision” to close because of ill health and other reasons.
The post said: “Some really sad news unfortunately, this Saturday 25th will be our last day of trading.
“Unfortunately, due to ill health and other reasons we just cannot carry on.
“We appreciate all the support over the last year but we have had no other choice but to make this very heartbreaking decision.”
The closure will come as a blow to many diners who have supported the independent business since it opened in June last year.
Bella Roma was launched by Francesco Cangemi, taking inspiration from the original Bella Roma restaurant that was run by his parents on George Street.
When the restaurant opened, Francesco said he wanted to bring authentic Italian food back to the heart of St Helens.
The venue quickly developed a loyal following thanks to its pizzas, pasta dishes, and family-friendly atmosphere.
Just four months after opening, the restaurant expanded into a neighbouring unit to create additional space for events, celebrations, and bottomless brunches.
In a review, the St Helens Star described Bella Roma as “the Italian restaurant St Helens really does need”, praising both the quality of the food and the warm welcome customers received.
The restaurant has thanked customers for their support over the past year and will serve its final customers next Saturday.