World Championship
for Energy Savings
Championship
What is WCES?
Why it matters
How it works
Methodology
How you become a World Champion
International Sustainable Buildings Competition
Leagues
Explore Leagues
What is a National League
Launch a National League
Champions
Explore Champions
What is a Champion?
Performance categories
Levels of performance
Submission process
Submit Building
Tower 42
United Kingdom – London
Temperate
Renovated Building
Organisation : Tower 42 Estate
30.8 %
annual energy
savings achieved
Level : Gold
Energy performance
30.8 %
Energy savings
401.5 kWh/m²/year
Absolute performance
45.9 kgCO₂/m²/year
Carbon intensity
Technical context
Floor area
30,193 m²
Number of floors
47
Activity type
Office
Year built
1971-1981
Consumption data
Measurement periods
Reference period
Oct 2022 - Sep 2023
Monitoring period
Oct 2024 - Sep 2025
Annual Energy Impact
Reference
18,636,826 kWh/year
Energy Savings
5,744,714 kWh
Avoided Emissions
1.39 ktCO₂/year
