Zoopla seem to have made a mistake here. They have lumped all the sales with the same postcode into one address. If you have a look on google maps you will see a number of converted barns just opposite this house
You need to go back to the original HM Land Registry data:-
https://landregistry.data.gov.uk/app/ppd/
If you type in that postcode then you will see that the Jan 1997 sale relates to a terraced property, 7 Aylton Court Barns. The Aug 1997 sale relates to 8 Aylton Court Barns, also a terraced property.
The 1998 and April 2001 sales relate to 5 Aylton Court Barns, a terraced property
The lower priced Dec 2001 sale relates to number 8
The higher priced Dec 2001 sale relates to number 2
The April 2002 sale of £525k relates to Aylton Court itself - the property in the Rightmove listing.
The May 2002 sale relates to number 7 Aylton Court Barns
The 2004, 2007 and 2011 sales all relate to number 5
The 2013 sale relates to number 7 as does the lower priced May 2015 sale
The higher priced May 2015 sale relates to number 2
The Nov 2015 sale relates to number 1
The July 2016 sale relates to number 4
The Dec 2016, 2020 and April 2021 sales relate to number 6
The April 2021 sale relates to number 4
So Aylton Court itself (the property in the Rightmove listing) sold for £525k in 2002.
1 Aylton Court Barns, a terraced property, sold in 2015 (£275k)
Number 2 sold in 2001(£225k) and 2015 (£304k)
Number 4 sold in 2016(£300k) and 2021(£325k)
Number 5 sold in 1998(£67k), 2001(£97k), 2004(£185k), 2007(£219k) and 2011(£215k)
Number 6 sold in 2016(£285k), 2020(£280k) and 2021(£325k)
Number 7 sold in 1997(£77k), 2002(£156k), 2013(£219.5k) and 2015(£250)
Number 8 sold in 1997(£97.5k) and 2001(£150k)