Buildings through time: Structure Twelve
The next in our series looking at the excavation of each major structure over time focuses on Structure Twelve.
![Structure Twelve Appears - July 2010.](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/S12-2010-1.jpg?resize=900%2C598&ssl=1)
Trench P was extended in 2010 to investigate another large geophysical anomaly. Although initially considered to be the possible south end of Structure Eight, this anomaly proved to be a separate building, Structure Twelve. (ORCA)
![July 2010 - wall lines of Structure Twelve emerge from the midden. (ORCA)](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/S12-2010-2.jpg?resize=900%2C598&ssl=1)
July 2010: Wall lines of Structure Twelve (and the beginnings of the later northern entrance annex) emerge from the midden. (ORCA)
![July 2010 - the footprint of Structure Twelve becomes clearer. (ORCA)](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/S12-2010-3.jpg?resize=900%2C598&ssl=1)
July 2010: The footprint of Structure Twelve. (ORCA)
![July 2010 - six days after the above photographs, the northern end of the building and it's robbed-out eastern wall becomes clearer. (ORCA)](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/S12-2010-4.jpg?resize=900%2C598&ssl=1)
July 2010: Six days after the above photographs, the northern end of the building and it’s robbed-out eastern wall becomes clearer. (ORCA)
![Structure Twelve 2010 plan. (ORCA)](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/2010-plan-1.png?resize=900%2C641&ssl=1)
Structure Twelve 2010 plan. (ORCA)
![July 2010 - six days after the above photographs, the northern end of the building and it's robbed-out eastern wall becomes clearer. (ORCA)](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/S12-2011.jpg?resize=900%2C578&ssl=1)
Great progress – Structure Twelve in 2011. (ORCA)
![2012: Looking across the building from the northern entrance annex (a later addition). (ORCA)](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/S12-2012-1.jpg?resize=900%2C599&ssl=1)
2012: Looking across the building from the northern entrance annex – a later addition to the structure. (ORCA)
![2012: View from above. (ORCA)](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/S12-2012-2.jpg?resize=900%2C589&ssl=1)
2012: View from above. (ORCA)
![Structure Twelve 2012 plan. (ORCA)](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/2012-plan.png?resize=900%2C737&ssl=1)
Structure Twelve 2012 plan. (ORCA)
![2013: Planning under way in the interior after the removal of the midden baulk that ran across the centre.](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/S12-2013.jpg?resize=900%2C725&ssl=1)
2013: Planning under way in the interior after the removal of the midden baulk that ran across the centre. (ORCA)
![Structure Twelve 2013 plan. (ORCA)](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/2013-plan.png?resize=900%2C635&ssl=1)
Structure Twelve 2013 plan. (ORCA)
![2014: The extent of the eastern wall stone-robbing that took place in antiquity is clear in this photograph (wall at bottom of picture).](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/S12-2014.jpg?resize=900%2C600&ssl=1)
2014: The extent of the eastern wall stone-robbing that took place in antiquity is clear in this photograph (wall at bottom of picture).
![Drone shot from 2015. (Scott Pike)](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/S12-2015.jpg?resize=900%2C592&ssl=1)
Drone shot from 2015. (Scott Pike)
![Drone shot from 2016. (Scott Pike)](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/S12-2016.jpg?resize=900%2C608&ssl=1)
Drone shot from 2016. (Scott Pike)
![2018: Covers in place to protect the floor surfaces. (Scott Pike)](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/St12-2018.jpg?resize=900%2C675&ssl=1)
2018: Covers in place to protect the floor surfaces. (Scott Pike)
![Excavation in 2019 revealed another later annex relating to Structure Twelve - this time outside its eastern entrance (pictured at the bottom of the photograph). (Scott Pike)](https://i0.wp.com/www.nessofbrodgar.co.uk/wp-content/uploads/2020/10/S12-2019.jpg?resize=900%2C668&ssl=1)
Excavation in 2019 revealed another later annex relating to Structure Twelve – this time outside its eastern entrance (pictured at the bottom of the photograph). (Scott Pike)