CASE STUDY

Just Group

Closing the chasm of missing EPC data

Just Group is a lender with ambitious climate targets.

By 2030 it has pledged to reduce emissions by 50% (including those generated from its £24bn+ investment portfolio), and to be net zero by 2050.

These targets give the company a huge emissions reduction task – especially in terms of financed emissions.

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why kamma

Report on climate risk and emissions with confidence

“We’ve achieved some great results working with the team at Kamma.

We’ve been able to enhance our approach to emissions data and develop a much more accurate picture of the emissions from our lifetime mortgage portfolio.”

Tom Kenny, Group Property & Credit Risk Director

Working with Kamma is all about confidence.

Confidence in the Kamma team, confidence in the data and analysis they provide, and confidence that we’re on the right track with our emissions calculations and plans for reducing those emissions.”

Tom Kenny, Group Property & Credit Risk Director

the story

Predicting missing EPC data

the challenge

EPC data missing for 3 in 5 properties

Just Group uncovered a major data gap: only 19,000 of 51,000 loans had a valid EPC, leaving 63% of the mortgage book without emissions data.

Missing EPCs are a widespread issue – especially for later life lenders, where long-term homeownership often means no recent EPC assessment.

the solution

Predictive modelling to close the gap

Kamma modelled EPCs for 32,000 properties, closing key data gaps.

Using geospatial analysis and machine learning, Kamma accurately predicted EPC bands – 80% matched exactly, with a further 19% off by one band.

This boosted emissions accuracy and improved Just Group’s PCAF score to 3.58, equivalent to many high street lenders.

The impact

The path to decarbonisation

Kamma modelled Just Group’s decarbonisation pathway to 2030, revealing a 9% shortfall between the current trajectory and the 50% emissions reduction target. This clarity prompted the team to develop new actions and propositions to close the gap and stay on course.

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