Lavenham Dental Practice is hoping to expand into the next-door Grade II listed building.
The dental practice is asking Babergh District Council if they can turn the late 19th Century red brick semi-detached buildings on Church Street into one dentist at numbers 5 and 6.
As part of this planned work, it's hoped to create new openings in the adjoining wall, insert a new doorway in the existing partition, remove the stairs and partition and reinstate the floor and undertake some plasterwork.
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The agent Andrew Brinkley, of Suffolk Building Design Ltd in Sudbury, told the EADT: "They're extremely busy. it's a good opportunity to stay where they are and serve the local community better.
"The dental practice service is upstairs so to have a ground floor would work well for the elderly customers."
As part of the plans, staff would increase from four to seven at the dentist offering pay-as-you-go and budget scheme appointments.
The application was submitted on Wednesday, July 7 and can be found by searching planning.baberghmidsuffolk.gov.uk for DC/21/03841.
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