Fault lines already exist
inside the global housing system.
Mortgage books appear stable because households absorb the pressure first.
The mortgage performs. The household weakens. The lender does not see it.
Hidden fragility often accumulates inside household balance sheets long before it appears inside institutional credit models.
Financial systems frequently underestimate fragility until stress propagates through the infrastructure itself.
Hidden fragility often accumulates inside household balance sheets long before it appears inside institutional credit models.
Financial systems frequently underestimate fragility until stress propagates through the infrastructure itself.
Stability in aggregate disguises fragility in distribution.
The household re-rates before the mortgage defaults.
A credit score measures how a person manages money.
HomeScore measures how a home preserves it.
The home is the largest asset and the largest recurring expense most households ever hold — and the one financial system no framework continuously measures. A leaky home is a leaky balance sheet.
A continuous representation of the home's financial state.
A shared reference layer for households, lenders and regulators.
One common frame for measuring how a home preserves household wealth over time.
HomeScore originated in the United Kingdom — built on the founder's prior work across UK open finance and mortgage infrastructure, including a UK Government Smart Data Challenge winner — and developed in co-design with a tier-1 UK lender, to help households navigate the cost of owning a home through a cost-of-living and energy crisis.
The Duration Mismatch
Housing is a long-duration asset class managed through short-duration incentives. Origination data is captured once. Mortgage lifetime runs thirty years. Household condition moves continuously inside that gap.
Structural decay, energy drag and refinancing cycles unfold across multiple economic regimes.
Capital allocation, executive incentives and reported earnings rotate inside a 90-day horizon.
Global Housing Intelligence Terminal
Seven housing systems. One continuous observability layer.
HomeScore™ structures financial, structural, energy, insurance and behavioural signals into one continuously updated operational profile of the home. Read across structural condition, operating efficiency, household finance and servicing resilience by lenders, developers, regulators and sovereign operators. It is not a consumer credit score.
All regions plotted against one another. Each system carries a different fault line.
HomeScore™ portfolio figures are shown as medians, not averages — the median resists prime-postcode outliers that can make a housing book appear healthier than it is. Mean is shown alongside; where it sits above the median, the book carries a weaker lower tail. Spread is the interquartile range — the HomeScore gap between the 75th and 25th percentile home — measuring how widely the book is distributed. All HomeScore™ figures are modelled.
Regional Housing-Finance Telemetry
Every major lender now describes itself in the language of purpose and financial wellbeing. But an industry that has never been able to see the household behind the mortgage cannot, by definition, serve it — whatever its mission statement says. The relationship is fixed at origination and never updated. MIZAN is the missing layer: a comparative model of how live household conditions transmit into institutional mortgage exposure across regional housing-finance systems. Modelled signals — not solvency assessments, and not a judgement of any individual institution.
Five signals. Continuously priced. Lender side and household side.
No region is ranked or graded. This view exists so the seven systems can be read together; the tabs below give each system in full.
| Lender | Mortgage balances (£bn) | Market share | YoY balance growth | Gross lending 2024 (£bn) | Telemetry Sensitivity Indexmodelled |
|---|---|---|---|---|---|
Lloyds Banking Group | 311.7 | 18.9% | +2.0% | 47.0 | 58 |
Nationwide BS* | 269.8 | 16.4% | +32.8% | 41.8 | 61 |
NatWest Group | 194.6 | 11.8% | +1.0% | 27.0 | 54 |
Santander UK | 165.0 | 10.0% | −4.4% | 15.8 | 49 |
Barclays | 158.7 | 9.6% | −1.2% | 22.1 | 52 |
HSBC Bank | 129.0 | 7.8% | +2.9% | 19.8 | 47 |
Coventry BS | 51.8 | 3.1% | +3.0% | 7.1 | 44 |
Yorkshire BS | 47.4 | 2.9% | +5.8% | 9.3 | 43 |
TSB Bank | 34.0 | 2.1% | +0.3% | 5.2 | 46 |
Skipton BS | 28.7 | 1.7% | +9.1% | 6.0 | 41 |
MIZAN does not grade lenders. It restores the household-level visibility that purpose-led banking already promises — so a lender can price duration honestly and act while intervention is still economic.
SourcesUK: UK Finance, Table MM10 (2024). USA: HMDA / CFPB (2024). Canada: residential mortgage balances, Q2 2024. EU: European Mortgage Federation (2024). UAE: modelled, pending data integration. Australia: APRA Monthly ADI Statistics (2025–26). Singapore: Monetary Authority of Singapore aggregate data; lender-level exposure modelled. The Telemetry Sensitivity Index and all derived signals are proprietary MIZAN model outputs — not measured statistics or solvency assessments.Active module: UK Finance · Table MM10 · mortgage balances outstanding 2024 (published July 2025).
Refinancing is the wedge. Continuous servicing is the standard.Refinancing is the wedge.
Continuous servicing is the standard.Refinancing is the wedge. Continuous servicing is the standard.
One entry point. Three balance sheets. Continuous from the first instrumented loan.
Built with institutional design partners.
MIZAN is the operating layer underneath continuous home finance. Designed with four categories of counterparty.
Prosperity starts at home.
Today, that prosperity is invisible.
The fault lines are real, and no system can yet see them. Seven housing-finance systems were studied. None could see the household. The question is which jurisdiction installs the observability layer first.
In highly concentrated mortgage markets, incumbent inertia slows the adoption of new infrastructure.
The UAE is the one market where the registry, the grid and open finance already exist together — and the highest modelled HomeScore today.
Dubai digitised property. Dubai connected utilities. Dubai opened its finance.
One layer remains: the intelligence that makes housing financially aware.
The question is not whether this future exists. It is who installs it first.
What if MIZAN became the standard?
Four regulators. One continuous home standard. Each tab models the same scenario — MIZAN adopted as the disclosure and capital-treatment layer for residential mortgage regulatory capital in that jurisdiction.
MIZAN means balance. Every scenario below shows both sides of the ledger — what the lender gains, what the household gains — because a standard that only serves one side is not a standard.
Joint guidance jurisdiction · Federal Reserve · OCC · FDIC
US residential mortgage exposure — the world's largest single mortgage market · Federal Reserve / NY Fed Household Debt and Credit Report.
Joint Fed/OCC/FDIC Principles for Climate-Related Financial Risk Management for banks >$100B. Principles-based, not prescriptive. No standardised disclosure instrument.
Modelled adoption window aligned to maturation of the joint climate principles into specific capital-treatment guidance.
Illustrative MIZAN scenario only. Not a regulator position, credit-rating forecast, or solvency assessment.
modelledFor US federal banking regulators and lenders inside its perimeter → Book a partnership consultation.
Book a partnership consultationThe capital compression banks have not modelled.
MIZAN does not replace the credit file.
It restores the household-level visibility traditional mortgage infrastructure was never designed to continuously observe.
MIZAN is not a lender, ratings agency or financial manufacturer.
It is an operational intelligence layer for the modern home economy.
The institution already finances the home.
MIZAN helps the institution continuously service the household behind it.
Refinancing is where the continuous layer begins.
Explore household observability.
Intellectual foundations: Atif Mian & Amir Sufi (House of Debt); Raghuram Rajan (Fault Lines); Bank for International Settlements; IMF Global Financial Stability Reports. Data sources include ONS, UK Finance, Bank of England, US Federal Reserve / NY Fed, European Mortgage Federation, Central Bank of the UAE, Juniper Research, Citizens Advice, and Bloomberg / Wells Fargo reporting on phantom debt. HomeScore™, shadow liability velocity, capital velocity, brown discount, portfolio squeeze and capital optimisation allocation are proprietary MIZAN constructs.
Bank of England Staff Working Paper No. 1,016 — “The greening of lending: mortgage pricing of energy transition risk” (Bell, Battisti, Guin, March 2023). Sample: 1.8m UK owner-occupied mortgages, 2008–2017.
MIZAN research synthesis on household servicing resilience, EPC transition exposure, refinancing friction, and mortgage observability across UK, EU, UAE, and GCC housing-finance systems. 2023–2026.
Regulatory adoption scenarios for FCA, ECB, CBUAE and GCC Banks are proprietary MIZAN model outputs. They are not statements of regulator position, credit-rating forecasts or solvency assessments.
US regulatory framework references: Federal Reserve / OCC / FDIC Principles for Climate-Related Financial Risk Management for Large Financial Institutions, October 2023. US residential mortgage exposure figures from Federal Reserve Bank of New York Household Debt and Credit Report.