List of most expensive buildings
Updated: 5/20/2026, 7:05:24 PM Wikipedia source
In the following, a building is defined as a structure with a roof and walls that stands permanently in one place. Airports are excluded as their construction cost includes runways and systems; however, terminal buildings are included in the list.
Tables
Hinkley Point C nuclear power station
Hinkley Point C nuclear power station
Building
Hinkley Point C nuclear power station
City
Somerset
Country
United Kingdom
Current owner(s)
EDF Energy
Completed/
will complete
2027
Nominal cost
($USbillion)
40
Plant Vogtle (Units 3 & 4)
Plant Vogtle (Units 3 & 4)
Building
Plant Vogtle (Units 3 & 4)
City
Waynesboro, Georgia
Country
United States
Current owner(s)
Georgia Power, Southern Company
Completed/
will complete
2023
Nominal cost
($USbillion)
30
The Great Mosque of Mecca or Masjid al-Haram
(Expansion Project)
The Great Mosque of Mecca or Masjid al-Haram
(Expansion Project)
Building
The Great Mosque of Mecca or Masjid al-Haram
(Expansion Project)
City
Mecca
Country
Saudi Arabia
Architect/designer
KSA
Current owner(s)
Government of Saudi Arabia
Completed/
will complete
2025
Nominal cost
($USbillion)
26
ITER
ITER
Building
ITER
City
Saint-Paul-lès-Durance
Country
France
Architect/designer
Bernard Bigot
Current owner(s)
ITER
Completed/
will complete
2025
Nominal cost
($USbillion)
25
Flamanville 3
Flamanville 3
Building
Flamanville 3
City
Flamanville
Country
France
Completed/
will complete
2023
Nominal cost
($USbillion)
21
Akkuyu Nuclear Plant
Akkuyu Nuclear Plant
Building
Akkuyu Nuclear Plant
City
Mersin
Country
Turkey
Architect/designer
Denis Sezemin
Current owner(s)
Akkuyu Nuclear Power Plant
Completed/
will complete
2023
Nominal cost
($USbillion)
20
Abraj Al Bait
Abraj Al Bait
Building
Abraj Al Bait
City
Mecca
Country
Saudi Arabia
Architect/designer
Saudi Binladin Group
Current owner(s)
Government of Saudi Arabia
Completed/
will complete
2012
Nominal cost
($USbillion)
16
Inflation-adjusted
cost, 2021
($USbillion)
18
Rooppur Nuclear Power Plant
Rooppur Nuclear Power Plant
Building
Rooppur Nuclear Power Plant
City
Pabna
Country
Bangladesh
Current owner(s)
Bangladesh Atomic Energy Commission
Completed/
will complete
2025
Nominal cost
($USbillion)
12
Olkiluoto 3
Olkiluoto 3
Building
Olkiluoto 3
City
Eurajoki
Country
Finland
Architect/designer
Areva
Current owner(s)
Teollisuuden Voima
Completed/
will complete
2023
Nominal cost
($USbillion)
12
Inflation-adjusted
cost, 2021
($USbillion)
12
Mochovce Nuclear Power Plant (block 3 & 4)
Mochovce Nuclear Power Plant (block 3 & 4)
Building
Mochovce Nuclear Power Plant (block 3 & 4)
City
Mochovce
Country
Slovakia
Architect/designer
Slovenské elektrárne
Current owner(s)
Slovenské elektrárne
Completed/
will complete
2023
Nominal cost
($USbillion)
7
Inflation-adjusted
cost, 2021
($USbillion)
46
International Finance Centre
International Finance Centre
Building
International Finance Centre
City
Hong Kong
Country
Hong Kong SAR
Architect/designer
Pelli Clarke Pelli Architects
Current owner(s)
Sun Hung Kai Properties, Henderson Land Development, Towngas
Completed/
will complete
2003
Nominal cost
($USbillion)
6
Inflation-adjusted
cost, 2021
($USbillion)
9
Regjeringskvartalet
Regjeringskvartalet
Building
Regjeringskvartalet
City
Oslo
Country
Norway
Architect/designer
Erling Viksjø
Current owner(s)
Statsbygg
Completed/
will complete
2026
Nominal cost
($USbillion)
5
Inflation-adjusted
cost, 2021
($USbillion)
5
SoFi Stadium
SoFi Stadium
Building
SoFi Stadium
City
Inglewood
Country
United States
Architect/designer
HKS, Inc.
Current owner(s)
Kroenke Sports & Entertainment
Completed/
will complete
2020
Nominal cost
($USbillion)
5
Inflation-adjusted
cost, 2021
($USbillion)
5
Marina Bay Sands
Marina Bay Sands
Building
Marina Bay Sands
City
Singapore
Country
Singapore
Architect/designer
Moshe Safdie
Current owner(s)
Las Vegas Sands
Completed/
will complete
2010
Nominal cost
($USbillion)
5
Inflation-adjusted
cost, 2021
($USbillion)
6
Marina One
Marina One
Building
Marina One
City
Singapore
Country
Singapore
Architect/designer
Ingenhoven Architects
Current owner(s)
Khazanah Nasional Berhad, Temasek Holdings
Completed/
will complete
2017
Nominal cost
($USbillion)
5
Inflation-adjusted
cost, 2021
($USbillion)
5
Apple Park
Apple Park
Building
Apple Park
City
Cupertino, California
Country
United States
Architect/designer
Foster and Partners
Current owner(s)
Apple Inc.
Completed/
will complete
2017
Nominal cost
($USbillion)
5
Inflation-adjusted
cost, 2021
($USbillion)
5
Resorts World Sentosa
Resorts World Sentosa
Building
Resorts World Sentosa
City
Singapore
Country
Singapore
Architect/designer
Michael Graves
Current owner(s)
Genting Group
Completed/
will complete
2010
Nominal cost
($USbillion)
4
Inflation-adjusted
cost, 2021
($USbillion)
6
Wynn Palace
Wynn Palace
Building
Wynn Palace
City
Cotai
Country
Macau
Architect/designer
Butler/Ashworth Architects and Wong & Ouyang
Current owner(s)
Wynn Resorts
Completed/
will complete
2016
Nominal cost
($USbillion)
4
Inflation-adjusted
cost, 2021
($USbillion)
5
The Cosmopolitan
The Cosmopolitan
Building
The Cosmopolitan
City
Las Vegas
Country
United States
Architect/designer
Friedmutter Group with Arquitectonica
Current owner(s)
The Blackstone Group
Completed/
will complete
2010
Nominal cost
($USbillion)
4
Inflation-adjusted
cost, 2021
($USbillion)
5
Asia Square
Asia Square
Building
Asia Square
City
Singapore
Country
Singapore
Architect/designer
Denton Corker Marshall with Architects61
Current owner(s)
CapitaLand Integrated Commercial Trust, Qatar Investment Authority
Completed/
will complete
2013
Nominal cost
($USbillion)
4
Inflation-adjusted
cost, 2021
($USbillion)
4
One Bangkok
One Bangkok
Building
One Bangkok
City
Bangkok
Country
Thailand
Architect/designer
SOM, A49, KPF, Lead8
Current owner(s)
TCC Assets(Thailand), Frasers Property(Thailand)
Completed/
will complete
2030
Nominal cost
($USbillion)
3
Suntec City
Suntec City
Building
Suntec City
City
Singapore
Country
Singapore
Architect/designer
I. M. Pei with DP Architects and Tsao & McKown Architects
Current owner(s)
Suntec REIT
Completed/
will complete
1997
Nominal cost
($USbillion)
3
Inflation-adjusted
cost, 2021
($USbillion)
3
One World Trade Center
One World Trade Center
Building
One World Trade Center
City
New York City
Country
United States
Architect/designer
Skidmore, Owings & Merrill
Current owner(s)
The Port Authority of New York and New Jersey
Completed/
will complete
2012
Nominal cost
($USbillion)
3
Inflation-adjusted
cost, 2021
($USbillion)
4
New Commanders Stadium
New Commanders Stadium
Building
New Commanders Stadium
City
Washington, D .
Country
United States
Architect/designer
TBD
Current owner(s)
Events DC
Completed/
will complete
2030
Nominal cost
($USbillion)
3
One Vanderbilt
One Vanderbilt
Building
One Vanderbilt
City
New York City
Country
United States
Architect/designer
Kohn Pedersen Fox
Current owner(s)
SL Green Realty, National Pension Service of Korea, Hines Interests Limited Partnership, Mori Building Company
Completed/
will complete
2020
Nominal cost
($USbillion)
3
Marina Bay Financial Centre
Marina Bay Financial Centre
Building
Marina Bay Financial Centre
City
Singapore
Country
Singapore
Architect/designer
Kohn Pedersen Fox with DCA Architects
Current owner(s)
Hongkong Land, Keppel REIT, Suntec REIT, DBS Bank
Completed/
will complete
2012
Nominal cost
($USbillion)
3
Inflation-adjusted
cost, 2021
($USbillion)
3
Lotte World Tower
Lotte World Tower
Building
Lotte World Tower
City
Seoul
Country
South Korea
Architect/designer
James von Klemperer
Current owner(s)
Lotte Corporation
Completed/
will complete
2016
Nominal cost
($USbillion)
3
Inflation-adjusted
cost, 2021
($USbillion)
4
Emirates Palace
Emirates Palace
Building
Emirates Palace
City
Abu Dhabi
Country
United Arab Emirates
Architect/designer
John Elliott
Current owner(s)
Abu Dhabi Government
Completed/
will complete
2005
Nominal cost
($USbillion)
3
Inflation-adjusted
cost, 2021
($USbillion)
4
Palace of the Parliament
Palace of the Parliament
Building
Palace of the Parliament
City
Bucharest
Country
Romania
Architect/designer
Anca Petrescu
Current owner(s)
Romanian Government
Completed/
will complete
1997
Nominal cost
($USbillion)
3
Inflation-adjusted
cost, 2021
($USbillion)
5
Wynn Resort
Wynn Resort
Building
Wynn Resort
City
Las Vegas
Country
United States
Architect/designer
Butler/Ashworth Architects and Jerde Partnership
Current owner(s)
Wynn Resorts
Completed/
will complete
2005
Nominal cost
($USbillion)
2
Inflation-adjusted
cost, 2021
($USbillion)
5
Central Boulevard Towers
Central Boulevard Towers
Building
Central Boulevard Towers
City
Singapore
Country
Singapore
Architect/designer
CallisonRTKL with Architects61
Current owner(s)
IOI Group
Completed/
will complete
2023
Nominal cost
($USbillion)
2
Inflation-adjusted
cost, 2021
($USbillion)
2
Venetian Macau
Venetian Macau
Building
Venetian Macau
City
Macau
Country
Macau
Architect/designer
Aedas
Current owner(s)
Las Vegas Sands
Completed/
will complete
2005
Nominal cost
($USbillion)
2
Inflation-adjusted
cost, 2021
($USbillion)
3
City of Dreams
City of Dreams
Building
City of Dreams
City
Macau
Country
Macau
Architect/designer
Arquitectonica
Current owner(s)
Melco Crown Entertainment
Completed/
will complete
2009
Nominal cost
($USbillion)
2
Inflation-adjusted
cost, 2021
($USbillion)
3
Antilia
Antilia
Building
Antilia
City
Mumbai
Country
India
Architect/designer
Perkins and Will and Hirsch Bedner Associates
Current owner(s)
Mukesh Ambani
Completed/
will complete
2010
Nominal cost
($USbillion)
2
Inflation-adjusted
cost, 2021
($USbillion)
3
Raffles City
Raffles City
Building
Raffles City
City
Singapore
Country
Singapore
Architect/designer
I. M. Pei, Architects61
Current owner(s)
CapitaLand
Completed/
will complete
1986
Nominal cost
($USbillion)
2
Inflation-adjusted
cost, 2021
($USbillion)
2
Guoco Tower
Guoco Tower
Building
Guoco Tower
City
Singapore
Country
Singapore
Architect/designer
Skidmore, Owings & Merrill with Architects61
Current owner(s)
Guoco Group
Completed/
will complete
2016
Nominal cost
($USbillion)
2
Inflation-adjusted
cost, 2021
($USbillion)
2
National Children's Hospital
National Children's Hospital
Building
National Children's Hospital
City
Dublin
Country
Ireland
Architect/designer
Benedict Zucchi
Current owner(s)
Children's Health Ireland
Completed/
will complete
2026
Nominal cost
($USbillion)
2
Comcentre
Comcentre
Building
Comcentre
City
Singapore
Country
Singapore
Architect/designer
Kohn Pedersen Fox
Current owner(s)
Singtel
Completed/
will complete
2028
Nominal cost
($USbillion)
2
Inflation-adjusted
cost, 2021
($USbillion)
2
Marina Square Complex
Marina Square Complex
Building
Marina Square Complex
City
Singapore
Country
Singapore
Architect/designer
John Portman & Associates
Current owner(s)
UOL Group, Mandarin Oriental Hotel Group
Completed/
will complete
1986
Nominal cost
($USbillion)
2
Inflation-adjusted
cost, 2021
($USbillion)
2
Royal Adelaide Hospital
Royal Adelaide Hospital
Building
Royal Adelaide Hospital
City
Adelaide
Country
Australia
Architect/designer
Silver Thomas Hanley & DesignInc
Current owner(s)
Government of South Australia
Completed/
will complete
2017
Nominal cost
($USbillion)
2
Taipei 101
Taipei 101
Building
Taipei 101
City
Taipei
Country
Taiwan
Architect/designer
C . Lee & Partners
Current owner(s)
Taipei Financial Center Corporation
Completed/
will complete
2004
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
2
The Palazzo
The Palazzo
Building
The Palazzo
City
Las Vegas
Country
United States
Architect/designer
HKS, Inc.
Current owner(s)
Las Vegas Sands
Completed/
will complete
2007
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
2
Guoco Midtown
Guoco Midtown
Building
Guoco Midtown
City
Singapore
Country
Singapore
Architect/designer
Denton Corker Marshall
Current owner(s)
Guoco Group
Completed/
will complete
2024
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Lakhta Center
Lakhta Center
Building
Lakhta Center
City
Saint Petersburg
Country
Russia
Architect/designer
RMJM (until 2011), Gorproject
Current owner(s)
Gazprom Neft
Completed/
will complete
2018
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
2
South Beach
South Beach
Building
South Beach
City
Singapore
Country
Singapore
Architect/designer
Foster + Partners
Current owner(s)
Allianz Real Estate, Gaw Capital, Hoi Hup Realty
Completed/
will complete
2016
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
2
Camp Nou
Camp Nou
Building
Camp Nou
City
Barcelona
Country
Spain
Architect/designer
Francesc Mitjans and Josep Soteras
Current owner(s)
FC Barcelona
Completed/
will complete
2018
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Nya Karolinska Hospital
Nya Karolinska Hospital
Building
Nya Karolinska Hospital
City
Stockholm
Country
Sweden
Architect/designer
Whitearkitekter & White Tengbom team
Current owner(s)
Region Stockholm
Completed/
will complete
2018
Nominal cost
($USbillion)
2 (23 B SEK)
Inflation-adjusted
cost, 2021
($USbillion)
2
Crown Sydney
Crown Sydney
Building
Crown Sydney
City
Sydney
Country
Australia
Architect/designer
WilkinsonEyre
Current owner(s)
Crown Resorts
Completed/
will complete
2020
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Kemi Bio Product Factory (Kemin biotuotetehdas)
Kemi Bio Product Factory (Kemin biotuotetehdas)
Building
Kemi Bio Product Factory (Kemin biotuotetehdas)
City
Kemi
Country
Finland
Architect/designer
Metsä Group
Current owner(s)
Metsä Fibre
Completed/
will complete
2023
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Queensland Children's Hospital
Queensland Children's Hospital
Building
Queensland Children's Hospital
City
Brisbane
Country
Australia
Architect/designer
Conrad Gargett
Current owner(s)
Queensland Government
Completed/
will complete
2014
Nominal cost
($USbillion)
1 (2 AU$)
Inflation-adjusted
cost, 2021
($USbillion)
1
Bellagio
Bellagio
Building
Bellagio
City
Las Vegas
Country
United States
Architect/designer
DeRuyter Butler and Atlandia Design
Current owner(s)
Bellagio (MGM Resorts International is the owner of the company)
Completed/
will complete
1998
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
2
Seat of the ECB
Seat of the ECB
Building
Seat of the ECB
City
Frankfurt
Country
Germany
Architect/designer
Coop Himmelb(l)au
Current owner(s)
European Central Bank
Completed/
will complete
2013
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Ocean Financial Centre
Ocean Financial Centre
Building
Ocean Financial Centre
City
Singapore
Country
Singapore
Architect/designer
César Pelli
Current owner(s)
Keppel REIT
Completed/
will complete
2011
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
DUO
DUO
Building
DUO
City
Singapore
Country
Singapore
Architect/designer
Ole Scheeren
Current owner(s)
Allianz Real Estate, Gaw Capital, Hoi Hup Realty
Completed/
will complete
2018
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Wembley Stadium
Wembley Stadium
Building
Wembley Stadium
City
London
Country
United Kingdom
Architect/designer
Foster and Partners
Current owner(s)
The Football Association
Completed/
will complete
2006
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
2
Yankee Stadium
Yankee Stadium
Building
Yankee Stadium
City
New York City
Country
United States
Architect/designer
Populous
Current owner(s)
New York City Industrial Development Agency
Completed/
will complete
2009
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Termoelektrarna Šoštanj blok 6
Termoelektrarna Šoštanj blok 6
Building
Termoelektrarna Šoštanj blok 6
City
Šoštanj
Country
Slovenia
Architect/designer
n .
Current owner(s)
Government of Slovenia
Completed/
will complete
2014
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Burj Khalifa
Burj Khalifa
Building
Burj Khalifa
City
Dubai
Country
United Arab Emirates
Architect/designer
Skidmore, Owings, & Merrill
Current owner(s)
Emaar Properties
Completed/
will complete
2010
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
The One
The One
Building
The One
City
Toronto
Country
Canada
Architect/designer
Foster and Partners, Core Architects
Current owner(s)
Mizrahi Developments
Completed/
will complete
2027
Nominal cost
($USbillion)
1
CapitaSpring
CapitaSpring
Building
CapitaSpring
City
Singapore
Country
Singapore
Architect/designer
Bjarke Ingels Group, Carlo Ratti
Current owner(s)
CapitaLand
Completed/
will complete
2021
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Skywaters Residences
Skywaters Residences
Building
Skywaters Residences
City
Singapore
Country
Singapore
Architect/designer
Skidmore, Owings & Merrill
Current owner(s)
Perennial Holdings
Completed/
will complete
2028
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Frasers Tower
Frasers Tower
Building
Frasers Tower
City
Singapore
Country
Singapore
Architect/designer
DP Architects
Current owner(s)
Frasers Property, National Pension Service
Completed/
will complete
2018
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Gigafactory 1
Gigafactory 1
Building
Gigafactory 1
City
Storey County, Nevada
Country
United States
Architect/designer
HOK, Bennett Wagner & Grody Architects, RMH Group, Rocky Mountain Institute, Mortenson Construction, and CH2M HILL
Current owner(s)
Tesla, Inc.
Completed/
will complete
2020
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Äänekoski Bio Product Factory
(Äänekosken biotuotetehdas)
Äänekoski Bio Product Factory
(Äänekosken biotuotetehdas)
Building
Äänekoski Bio Product Factory
(Äänekosken biotuotetehdas)
City
Äänekoski
Country
Finland
Current owner(s)
Metsä Group
Completed/
will complete
2017
Nominal cost
($USbillion)
1 (1 €)
Inflation-adjusted
cost, 2021
($USbillion)
1
Mall of Tripla
Mall of Tripla
Building
Mall of Tripla
City
Helsinki
Country
Finland
Architect/designer
Arkkitehdit Soini & Horto
Current owner(s)
YIT, Ilmarinen
Completed/
will complete
2019
Nominal cost
($USbillion)
1 (1 B€)
Inflation-adjusted
cost, 2021
($USbillion)
1
181 Mercer Street
181 Mercer Street
Building
181 Mercer Street
City
New York
Country
United States
Architect/designer
Davis Brody Bond
Current owner(s)
New York University
Completed/
will complete
2023
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Jewel Changi Airport (mixed-use building)
Jewel Changi Airport (mixed-use building)
Building
Jewel Changi Airport (mixed-use building)
City
Singapore
Country
Singapore
Architect/designer
Moshe Safdie
Current owner(s)
Changi Airport Group
Completed/
will complete
2019
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Comcast Technology Center
Comcast Technology Center
Building
Comcast Technology Center
City
Philadelphia
Country
United States
Architect/designer
Foster and Partners
Current owner(s)
Comcast
Completed/
will complete
2018
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Merdeka 118
Merdeka 118
Building
Merdeka 118
City
Kuala Lumpur
Country
Malaysia
Architect/designer
Fender Katsalidis in association with RSP KL
Current owner(s)
PNB Merdeka Ventures Sdn Bhd
Completed/
will complete
2023
Nominal cost
($USbillion)
1
City of Dreams Sri Lanka
City of Dreams Sri Lanka
Building
City of Dreams Sri Lanka
City
Colombo
Country
Sri Lanka
Architect/designer
Cecil Balmond
Current owner(s)
John Keells Holdings
Completed/
will complete
2024
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Petronas Twin Towers
Petronas Twin Towers
Building
Petronas Twin Towers
City
Kuala Lumpur
Country
Malaysia
Architect/designer
César Pelli
Current owner(s)
KLCC Holdings
Completed/
will complete
1999
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
CapitaGreen
CapitaGreen
Building
CapitaGreen
City
Singapore
Country
Singapore
Architect/designer
Toyo Ito
Current owner(s)
CapitaLand
Completed/
will complete
2014
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
Parliament House
Parliament House
Building
Parliament House
City
Canberra
Country
Australia
Architect/designer
Romaldo Giurgola
Current owner(s)
Parliament of Australia
Completed/
will complete
1988
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
2
Bełchatów Power Station 858 MW unit
Bełchatów Power Station 858 MW unit
Building
Bełchatów Power Station 858 MW unit
City
Bełchatów
Country
Poland
Current owner(s)
Pge
Completed/
will complete
2011
Nominal cost
($USbillion)
1
Inflation-adjusted
cost, 2021
($USbillion)
1
| Building | City | Country | Architect/designer | Current owner(s) | Completed/ will complete | Nominal cost ($USbillion) | Inflation-adjusted cost, 2021 ($USbillion) |
| Hinkley Point C nuclear power station | Somerset | United Kingdom | EDF Energy | 2027 | 40 | ||
| Plant Vogtle (Units 3 & 4) | Waynesboro, Georgia | United States | Georgia Power, Southern Company | 2023 | 30 | ||
| The Great Mosque of Mecca or Masjid al-Haram (Expansion Project) | Mecca | Saudi Arabia | KSA | Government of Saudi Arabia | 2025 | 26 | |
| ITER | Saint-Paul-lès-Durance | France | Bernard Bigot | ITER | 2025 | 25 | |
| Flamanville 3 | Flamanville | France | 2023 | 21 | |||
| Akkuyu Nuclear Plant | Mersin | Turkey | Denis Sezemin | Akkuyu Nuclear Power Plant | 2023 | 20 | |
| Abraj Al Bait | Mecca | Saudi Arabia | Saudi Binladin Group | Government of Saudi Arabia | 2012 | 16 | 18 |
| Rooppur Nuclear Power Plant | Pabna | Bangladesh | Bangladesh Atomic Energy Commission | 2025 | 12 | ||
| Olkiluoto 3 | Eurajoki | Finland | Areva | Teollisuuden Voima | 2023 | 12 | 12 |
| Mochovce Nuclear Power Plant (block 3 & 4) | Mochovce | Slovakia | Slovenské elektrárne | Slovenské elektrárne | 2023 | 7 | 46 |
| International Finance Centre | Hong Kong | Hong Kong SAR | Pelli Clarke Pelli Architects | Sun Hung Kai Properties, Henderson Land Development, Towngas | 2003 | 6 | 9 |
| Regjeringskvartalet | Oslo | Norway | Erling Viksjø | Statsbygg | 2026 | 5 | 5 |
| SoFi Stadium | Inglewood | United States | HKS, Inc. | Kroenke Sports & Entertainment | 2020 | 5 | 5 |
| Marina Bay Sands | Singapore | Singapore | Moshe Safdie | Las Vegas Sands | 2010 | 5 | 6 |
| Marina One | Singapore | Singapore | Ingenhoven Architects | Khazanah Nasional Berhad, Temasek Holdings | 2017 | 5 | 5 |
| Apple Park | Cupertino, California | United States | Foster and Partners | Apple Inc. | 2017 | 5 | 5 |
| Resorts World Sentosa | Singapore | Singapore | Michael Graves | Genting Group | 2010 | 4 | 6 |
| Wynn Palace | Cotai | Macau | Butler/Ashworth Architects and Wong & Ouyang | Wynn Resorts | 2016 | 4 | 5 |
| The Cosmopolitan | Las Vegas | United States | Friedmutter Group with Arquitectonica | The Blackstone Group | 2010 | 4 | 5 |
| Asia Square | Singapore | Singapore | Denton Corker Marshall with Architects61 | CapitaLand Integrated Commercial Trust, Qatar Investment Authority | 2013 | 4 | 4 |
| One Bangkok | Bangkok | Thailand | SOM, A49, KPF, Lead8 | TCC Assets(Thailand), Frasers Property(Thailand) | 2030 | 3 | |
| Suntec City | Singapore | Singapore | I. M. Pei with DP Architects and Tsao & McKown Architects | Suntec REIT | 1997 | 3 | 3 |
| One World Trade Center | New York City | United States | Skidmore, Owings & Merrill | The Port Authority of New York and New Jersey | 2012 | 3 | 4 |
| New Commanders Stadium | Washington, D . | United States | TBD | Events DC | 2030 | 3 | |
| One Vanderbilt | New York City | United States | Kohn Pedersen Fox | SL Green Realty, National Pension Service of Korea, Hines Interests Limited Partnership, Mori Building Company | 2020 | 3 | |
| Marina Bay Financial Centre | Singapore | Singapore | Kohn Pedersen Fox with DCA Architects | Hongkong Land, Keppel REIT, Suntec REIT, DBS Bank | 2012 | 3 | 3 |
| Lotte World Tower | Seoul | South Korea | James von Klemperer | Lotte Corporation | 2016 | 3 | 4 |
| Emirates Palace | Abu Dhabi | United Arab Emirates | John Elliott | Abu Dhabi Government | 2005 | 3 | 4 |
| Palace of the Parliament | Bucharest | Romania | Anca Petrescu | Romanian Government | 1997 | 3 | 5 |
| Wynn Resort | Las Vegas | United States | Butler/Ashworth Architects and Jerde Partnership | Wynn Resorts | 2005 | 2 | 5 |
| Central Boulevard Towers | Singapore | Singapore | CallisonRTKL with Architects61 | IOI Group | 2023 | 2 | 2 |
| Venetian Macau | Macau | Macau | Aedas | Las Vegas Sands | 2005 | 2 | 3 |
| City of Dreams | Macau | Macau | Arquitectonica | Melco Crown Entertainment | 2009 | 2 | 3 |
| Antilia | Mumbai | India | Perkins and Will and Hirsch Bedner Associates | Mukesh Ambani | 2010 | 2 | 3 |
| Raffles City | Singapore | Singapore | I. M. Pei, Architects61 | CapitaLand | 1986 | 2 | 2 |
| Guoco Tower | Singapore | Singapore | Skidmore, Owings & Merrill with Architects61 | Guoco Group | 2016 | 2 | 2 |
| National Children's Hospital | Dublin | Ireland | Benedict Zucchi | Children's Health Ireland | 2026 | 2 | |
| Comcentre | Singapore | Singapore | Kohn Pedersen Fox | Singtel | 2028 | 2 | 2 |
| Marina Square Complex | Singapore | Singapore | John Portman & Associates | UOL Group, Mandarin Oriental Hotel Group | 1986 | 2 | 2 |
| Royal Adelaide Hospital | Adelaide | Australia | Silver Thomas Hanley & DesignInc | Government of South Australia | 2017 | 2 | |
| Taipei 101 | Taipei | Taiwan | C . Lee & Partners | Taipei Financial Center Corporation | 2004 | 1 | 2 |
| The Palazzo | Las Vegas | United States | HKS, Inc. | Las Vegas Sands | 2007 | 1 | 2 |
| Guoco Midtown | Singapore | Singapore | Denton Corker Marshall | Guoco Group | 2024 | 1 | 1 |
| Lakhta Center | Saint Petersburg | Russia | RMJM (until 2011), Gorproject | Gazprom Neft | 2018 | 1 | 2 |
| South Beach | Singapore | Singapore | Foster + Partners | Allianz Real Estate, Gaw Capital, Hoi Hup Realty | 2016 | 1 | 2 |
| Camp Nou | Barcelona | Spain | Francesc Mitjans and Josep Soteras | FC Barcelona | 2018 | 1 | 1 |
| Nya Karolinska Hospital | Stockholm | Sweden | Whitearkitekter & White Tengbom team | Region Stockholm | 2018 | 2 (23 B SEK) | 2 |
| Crown Sydney | Sydney | Australia | WilkinsonEyre | Crown Resorts | 2020 | 1 | 1 |
| Kemi Bio Product Factory (Kemin biotuotetehdas) | Kemi | Finland | Metsä Group | Metsä Fibre | 2023 | 1 | 1 |
References
- Financial Timeshttps://www.ft.com/content/ae5fb399-08ce-4045-bb70-45a6531ac5f2
- The Nationalhttps://www.thenationalnews.com/business/property/king-salman-launches-five-projects-at-grand-mosque-in-mecca-1.612283
- Reutershttps://www.reuters.com/article/world/saudi-arabia-to-restart-work-on-266-billion-grand-mosque-expansion-idUSKCN1AX1B6/
- "TVO - the Radiation and Nuclear Safety Authority has given a fuel loading permit for the OL3 plant unit"https://www.tvo.fi/en/index/news/pressreleasesstockexchangereleases/2021/theradiationandnuclearsafetyauthorityhasgivenafuelloadingpermitfortheol3plantunit.html
- "The World Nuclear Industry - Status Report 2019"https://web.archive.org/web/20191215182900/https://www.worldnuclearreport.org/IMG/pdf/wnisr2019-v2-hr.pdf
- wwwhttps://www.world-nuclear-news.org/Articles/Mochovce-new-build-project-receives-loan-boost
- South China Morning Posthttps://www.scmp.com/article/453114/ifc-land-deal-sets-new-record
- NRKhttps://www.nrk.no/spesial/pengesluket-1.16742021
- "NFL Reportedly Raising Debt Limit on Rams Stadium after L . Project nears $5B Price Tag"http://www.cbssports.com/nfl/news/nfl-reportedly-raising-debt-limit-on-rams-stadium-after-l-a-project-nears-5b-price-tag
- Today Onlinehttps://www.todayonline.com/singapore/pm-lee-najib-open-marina-one-and-duo-integrated-developments
- The Guardianhttps://www.theguardian.com/artanddesign/2013/nov/15/norman-foster-apple-hq-mothership-spaceship-architecture
- - Apple Campus 2 cost 5 billion Projects: Foster and Partnershttps://www.bloomberg.com/news/articles/2013-04-04/inside-apples-plans-for-its-futuristic-5-billion-headquarters
- "Resorts World Sentosa: Singapore Buildings - e-architect"http://www.e-architect.co.uk/singapore/sentosa_resort.htm
- Forbeshttps://www.forbes.com/sites/muhammadcohen/2016/09/25/stylish-new-wynn-palace-pretends-its-still-2013/
- "The Cosmopolitan of Las Vegas - Arquitectonica"http://arquitectonica.com/blog/portfolio/hospitality/cosmopolitan-grand-hyatt-resort-casino/
- "Blackrock confirms sale of Asia Square Tower 1 for S$3 "https://www.mingtiandi.com/real-estate/finance/blackrock-confirms-sale-of-asia-square-tower-1-for-s3-4bil/
- "CCT buys Asia Square Tower 2 for S$2 "https://www.todayonline.com/business/property/blackrock-sells-singapore-office-tower-s21-billion-capitaland
- "Suntec City valued at S$5 as of 30 June 2022 (Page 54) after completion of expansion and renovation works"https://suntecreit.listedcompany.com/newsroom/20220727_072821_T82U_7EZMZOKV4IANMW6D.4.pdf
- "One World Trade Center Will Cost $3 Billion, Making It The Most Expensive Building In The World"http://www.huffingtonpost.com/2012/01/31/one-world-trade-center-will-cost-38-billion-dollars-expensive-building-in-the-world_n_1243917.html
- The Washington Posthttps://www.washingtonpost.com/dc-md-va/2025/09/18/washington-commanders-stadium-approved-dc/