Scottish Water was carrying out the works at Philiphaugh on the outskirts of Selkirk whilst laying new pipes between Howden and Yarrowford.
A Scottish Borders Council's archaeologist said:
"It is an exciting discovery. It is not every day that medieval villages are found - most of them are known, this one was completely unknown."
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We spoke to the various political party candidates, all vying for the west Cumbrian seat.
Fiona Mills, who was the UKIP candidate in Carlisle during the general election says she's "delighted'.
The Distington GP surgery in Workington is described as "one of the most caring" in England by the CQC.