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 $477, a growth of 83%.
Most valuable 2019 LEGO Architecture Landmark Series set
21046 Empire State Building $219.75
Highest growth 2019 Architecture Landmark Series set
21055 Burj Khalifa +200.06%
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 $107.19
Growth  +34.0%
Annual growth 5.7%

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 $219.75
Growth  +69.1%
Annual growth 11.9%

21055 Burj Khalifa

Theme / Subtheme Architecture / Landmark Series
Year 2019
Pieces 333
Availability Retired
21055 LEGO Architecture Burj Khalifa
Retail $49.99
Value $150.00
Growth  +200.1%
Annual growth 14.3%