The authority’s town centre portfolio holder Coun Paul Skinner visited each of the winners on Monday to present the prizes to the winners.
They were: Blackfriars Theatre ( the charity category), Sleep Shop (the local/independent category) and Specsavers (the multiple/chain section).
A spokesman said: “The judges had a difficult task and were impressed with the standard and quality of all entrants and it was very nice to see some new entrants this year. “
In second and third places were:
Charity – Centrepoint and Barnados.
Local/Independent – New Horizons and Oldrids third.
Multiple/Chain – Pandoras and Nationwide Building Society.
The windows were judged by Coun Skinner, Dylan Taylor, chairman of Christmas in Boston, and Polly Wilkinson, the council’s museum officer.