Case study · Havas UK

3 Pancras
Square

Building-wide intelligence for measurable performance.

King’s Cross · London

The challenge

Already efficient. Still more to find.

The building had already been optimised and its HVAC set-up limited conventional improvement. Envelo added a practical intelligence layer without replacing the HVAC or BMS.

31%

less ventilation-related energy use

~£46k

annual saving at building scale

~1 year

payback including hardware

5.8%

fall in Havas UK & Ireland Scope 2 emissions

What changed

Ventilation responded to the building, not a fixed profile.

Live conditionsEnergy, indoor air and occupancy informed each decision.

Continuous adjustmentVentilation reduced or increased as the building needed.

Existing systemsResults were achieved without HVAC or BMS upgrades.

People and performance

Lower energy did not mean poorer indoor conditions.

23%

less high-CO₂ exposure, equal to 82 fewer minutes per meeting room each week.

17 hrs

less overly dry air per week during winter.

Detailed case study

See the evidence behind the results.

Download the full five-page case study for more detail on the challenge, Envelo solution and independently validated building performance outcomes.

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