In 2019, LEGO released 3 Architecture Landmark Series sets, all of these sets have been retired. For that year, the total price of all retail sets cost $260, today those sets are valued around $521, a growth of 100%.
Most valuable 2019 LEGO Architecture Landmark Series set
21046 Empire State Building $223.59
Highest growth 2019 Architecture Landmark Series set
21055 Burj Khalifa +254.25%
3 sets

21045 Trafalgar Square

Theme / Subtheme Architecture / Landmark Series
Year 2019
Pieces 1,197
Availability Retired
21045 LEGO Architecture Trafalgar Square
Retail $79.99
Value $119.85
Growth  +49.8%
Annual growth 6.5%

21046 Empire State Building

Theme / Subtheme Architecture / Landmark Series
Year 2019
Pieces 1,767
Availability Retired
21046 LEGO Architecture Empire State Building
Retail $129.99
Value $223.59
Growth  +72.0%
Annual growth 12.0%

21055 Burj Khalifa

Theme / Subtheme Architecture / Landmark Series
Year 2019
Pieces 333
Availability Retired
21055 LEGO Architecture Burj Khalifa
Retail $49.99
Value $177.09
Growth  +254.3%
Annual growth 15.3%