In 2005, LEGO released 8 Castle Value Packs sets, all of these sets have been retired. For that year, the total price of all retail sets cost $230, today those sets are valued around $1,137, a growth of 394%.
Most owned 2005 Castle Value Packs set
65767 Attack from the Sea
8 sets

65642 The Grand Tournament with Sword and Shield

Theme / Subtheme Castle / Value Packs
Year 2005
Pieces 312
Availability Retired
65642 LEGO Castle The Grand Tournament with Sword and Shield
Retail $29.99
Value $155.12
Growth  +417.2%
Annual growth 8.6%

65767 Attack from the Sea

Theme / Subtheme Castle / Value Packs
Year 2005
Pieces 314
Availability Retired
65767 LEGO Castle Attack from the Sea
Retail $29.99
Value $198.39
Growth  +561.5%
Annual growth 5.4%

65768 Knights' Value Pack

Theme / Subtheme Castle / Value Packs
Year 2005
Pieces 87
Availability Retired
65768 LEGO Castle Knights' Value Pack
Retail $19.99
Value $124.42
Growth  +522.4%
Annual growth 9.6%

65769 Vladek Value Pack

Theme / Subtheme Castle / Value Packs
Year 2005
Pieces 86
Availability Retired
65769 LEGO Castle Vladek Value Pack
Retail $19.99
Value $97.82
Growth  +389.3%
Annual growth 8.3%

65776 Knights Kingdom Vladeck & Mathias

Theme / Subtheme Castle / Value Packs
Year 2005
Pieces 87
Availability Retired
65776 LEGO Castle Knights Kingdom Vladeck & Mathias
Retail $15.99
Value $99.12
Growth  +519.9%
Annual growth 9.6%

65824 Vladeck Can & Playset

Theme / Subtheme Castle / Value Packs
Year 2005
Pieces 173
Availability Retired
65824 LEGO Castle Vladeck Can & Playset
Retail $24.49
Value $194.77
Growth  +695.3%
Annual growth 10.9%

65825 Castle KK Playset

Theme / Subtheme Castle / Value Packs
Year 2005
Pieces 264
Availability Retired
65825 LEGO Castle KK Playset
Retail $39.99
Value $157.43
Growth  +293.7%
Annual growth 7.1%

65851 Knights' Kingdom Co-Pack

Theme / Subtheme Castle / Value Packs
Year 2005
Pieces 280
Availability Retired
65851 LEGO Castle Knights' Kingdom Co-Pack
Retail $49.99
Value $110.25
Growth  +120.5%
Annual growth 4.0%