Carbon Numbers Investments
The Challenge
Ipswich High School operates from a historic Grade I listed estate while supporting a growing school, boarding facilities and an expanding commercial events programme.
The organisation faced multiple constraints:
Traditional upgrade approaches presented cost, delivery and performance risk — with no certainty of outcomes.

Carbon Numbers Investments
The Challenge
Ipswich High School operates from a historic Grade I listed estate while supporting a growing school, boarding facilities and an expanding commercial events programme.
The organisation faced multiple constraints:
Traditional upgrade approaches presented cost, delivery and performance risk — with no certainty of outcomes.
Carbon Numbers Investments
Ipswich High School
The Solution
Carbon Numbers Investments delivered a fully funded energy and asset performance programme, structured through a long-term Energy Performance Contract.
The solution modernised building controls, improved energy visibility and transferred both capital and performance risk away from the school — enabling delivery without upfront investment.

Carbon Numbers Investments
How It Was Delivered
All systems and processes were delivered in line with ISO 27001, 9001 and 50001 standards
Carbon Numbers Investments
The Results
The programme has delivered measurable, verified outcomes:
Savings are guaranteed and projects are financed directly from performance, allowing capital to be redeployed elsewhere within the organisation.
The carbon saved ito date is equalivent to planting 49,800 trees that’s
Carbon Numbers Investments
Operational & Governance Benefits
Beyond energy savings, the programme has delivered:
Carbon Numbers Investments
What This Demonstrates
This case study illustrates how organisations can:
All while maintaining operational continuity and financial control.
Carbon Numbers Investments
Client Perspective
“Our students, staff and commercial guests are already enjoying the benefits in terms of significantly improved comfort, not to mention the data we now have to help map our journey to net zero carbon emissions.”
“The partnership has resulted in increased efficiency and management of heating and lighting, reducing our energy usage and supporting our commitment to further reducing our footprint.”
Carbon Numbers Investments
Operational & Governance Benefits
Beyond energy savings, the programme has delivered:
What This Demonstrates
This case study illustrates how organisations can:
All while maintaining operational continuity and financial control.
Client Perspective
“Our students, staff and commercial guests are already enjoying the benefits in terms of significantly improved comfort, not to mention the data we now have to help map our journey to net zero carbon emissions.”
“The partnership has resulted in increased efficiency and management of heating and lighting, reducing our energy usage and supporting our commitment to further reducing our footprint.”
Unlock Profitable Sustainability — No Capital Outlay. Guaranteed Returns.Unlock Profitable Sustainability — No Capital Outlay. Guaranteed Returns.
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Why Carbon Numbers Investments?
What to Expect
Focused on financial, regulatory and operational considerations
How We Can Help
Funded energy and asset performance improvements
