This church was built in the 1100s by the crusaders and is based off the one in Jerusalem. It is one of only four remaining rotund or 'round' churches left in England. The building shows bullet holes from the civil war and is full of atmosphere, with hundreds of years of history.

Some highlights of the church include a beautiful interior with tons of history dating back to 1100. The church is also known for its iconic place of worship and interesting architecture. Additionally, there are additional extensions made to the original Norman building which tell the story of the County Regiment and the sacrifice it made.

Visitors have described the church as stunning, impressive, and beautiful. Many have praised the friendly staff and the knowledgeable Arch Deacon. Some have attended services or events at the church and have had positive experiences, with one visitor mentioning that it was a fittingly impressive venue to say goodbye to a loved one.

Some unique features of this church include the Northamptonshire Regiment chapel and the Western Front Association in the church rooms. The church is also known for its round shape, historical significance, and the fact that it is one of the most interesting churches in Northampton.