There actually isn’t that much left of the Abbey itself, which was once an entire complex, but the church remains reasonably intact. The Abbey of St Peter and St Paul was founded by Earl Roger de Montgomery in 1083. It was a Benedictine monastery. It survived as a complete abbey until, like many other religious institutions, the dissolution of the monasteries.
By the time the dissolution of the monasteries act was passed in 1536 the abbey was 34th out of 602 monasteries in terms of wealth. Abbot Thomas Boteler was given a pension and so were some of his monks when the abbey was dissolved in 1540. The majority of the buildings were demolished and sold off, some of the church survived though. The nave was left standing while the rest was demolished and a new east wall was built. This is the church you see remaining today. In the photos below you can see the interior and exterior of the remaining abbey and you can see where the new wall was built after the remainder of the abbey was demolished.
Site visit 2012
Shrewsbury Abbey: http://www.shrewsburyabbey.com/A%20Rare%20Benedictine.html
The photos are mine.