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The Appreciation Equation

A comprehensive academic exploration of Shared Appreciation Mortgages, analyzing their structure, market dynamics, and socio-economic implications.

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Introduction to SAM

Defining the Shared Appreciation Mortgage

A Shared Appreciation Mortgage (SAM) represents a unique financial instrument where a homeowner shares a predetermined percentage of their property's appreciation in value with the lender. In exchange for this future share, the lender typically offers an interest rate significantly lower than prevailing market rates, or even a zero-interest loan. This structure allows borrowers to access capital or reduce immediate mortgage costs, while lenders participate directly in the property's capital growth.

The Core Mechanism

The fundamental principle of a SAM involves a deferred repayment component. The borrower receives a loan, and regular repayments might be minimal or non-existent (in the case of zero-interest SAMs). The substantial portion of the loan repayment, comprising the original principal plus the agreed-upon share of the property's appreciation, becomes due upon a specified event, such as the sale of the property or the death of the borrower. This mechanism ties the lender's ultimate return directly to the performance of the real estate asset.

Risk and Reward Dynamics

SAMs introduce a distinct risk-sharing dynamic between borrower and lender. For the borrower, the benefit is reduced immediate financial burden, but the trade-off is relinquishing a portion of future property gains. For the lender, the risk of property value stagnation or decline means a lower or zero appreciation share, but this is balanced by the potential for substantial returns if property values escalate significantly. This structure differentiates SAMs from conventional mortgages, where the lender's return is primarily fixed by the interest rate, irrespective of property value changes beyond collateralization.

SAMs in the UK Context

Genesis and Marketing Strategies

In the United Kingdom, Shared Appreciation Mortgages were primarily marketed between 1996 and 1998 by institutions such as Bank of Scotland and Barclays Bank. These products were often positioned as a form of equity release, specifically targeting mature homeowners, typically aged 45 or over, who had substantial equity in their properties (e.g., property worth over £60,000). The appeal was the ability to unlock cash from their homes without the need to sell or make ongoing interest payments, particularly for the zero-interest variants. Bank of Scotland utilized financial advisers and mortgage brokers, while Barclays engaged directly with borrowers.

Loan and Repayment Mechanics

The structure of UK SAMs involved a loan amount up to a maximum of 25% of the property's initial value. The borrower retained full ownership, with no repayments due until the property was sold or the borrower passed away. At this point, the repayment consisted of the original loan amount plus a share of the property's appreciation. Critically, the lender's percentage share of the appreciation was often three times the percentage of the original property value borrowed. For instance, a 25% loan meant a 75% share of appreciation for the lender. The final property value for this calculation was determined by a lender-commissioned valuation, paid for by the borrower, not necessarily the sale price.

Consider an initial property valuation of £100,000 and a loan of £25,000 (25%). If the property's final valuation is £150,000, the appreciation is £50,000. The repayment would be:

£25,000 (original loan) + (75% of £50,000 appreciation) = £25,000 + £37,500 = £62,500.

This equates to 42% of the final valuation. Over 20 years, this was presented as an equivalent compound interest rate of 4.7%.

However, actual house price growth significantly altered these outcomes. If the final valuation reached £400,000, the appreciation would be £300,000. The repayment would then be:

£25,000 + (75% of £300,000 appreciation) = £25,000 + £225,000 = £250,000.

This represents 62.5% of the final valuation, an equivalent compound interest rate of 12.2% over 20 years, far exceeding initial projections and leaving the borrower with a significantly reduced equity share.

Historical Performance and Impact

The period preceding the introduction of SAMs saw substantial growth in the UK House Price Index, with average annual inflation around 9.0% for two decades. Banks, possessing this historical data, could reasonably anticipate continued high appreciation. This context is crucial because the examples provided to borrowers often underestimated future house price inflation, leading to a significant disparity between expected and actual repayment amounts. The rapid increase in property values meant that borrowers often found themselves owing a disproportionately large share of their home's value to the lender, severely impacting their ability to downsize, cover care home fees, or leave an inheritance.

SAMs in the US Context

Commercial Mortgage Applications

In the United States, Shared Appreciation Mortgages have also found application, particularly in commercial real estate. Here, the lender offers a lower-than-market interest rate on the mortgage in exchange for a share of the property's appreciated value. This "contingent interest" is typically determined and becomes due upon the sale of the property or the termination of the mortgage. This arrangement allows borrowers to benefit from reduced monthly payments, while lenders gain an upside potential tied to the property's market performance. The lender assumes an additional risk related to property value fluctuations, making the trade-off dependent on market conditions.

Affordable Housing Initiatives

Beyond commercial applications, shared appreciation clauses are utilized by non-profit organizations and local governmental agencies in the US to facilitate affordable homeownership. These loans are often structured as "silent" second mortgages, meaning borrowers make no payments until the home is sold or the first mortgage is refinanced. At that point, the borrower repays the original loan amount plus a portion of the home's appreciation. This mechanism helps to preserve the "buying power" of public subsidies by ensuring that a share of the increased value returns to the subsidizing entity, allowing for reinvestment in future affordable housing programs. Limitations, such as usury caps (e.g., a maximum of 6% effective interest), can be applied to these programs, as seen in some down payment assistance initiatives.

Tax and Legal Considerations

The Internal Revenue Service (IRS) in the US has addressed SAMs, notably in Revenue Ruling 83-51 (1983), which outlines conditions under which the contingent interest may be considered tax-deductible mortgage interest. A critical requirement is that a SAM must stipulate an unconditional obligation for the payment of the principal to avoid being recharacterized as an equity-sharing agreement, which carries different tax implications. Given the intricate nature of tax laws and the tailored terms of individual SAM agreements, particularly for private, non-commercial arrangements, seeking counsel from a real estate attorney is strongly advised to navigate potential legal and tax complexities.

Quantifying SAM Returns

Equivalent Compound Interest Rate

To accurately assess the true cost of a "zero-interest" Shared Appreciation Mortgage, it is useful to calculate its equivalent compound interest rate. This rate represents the annual interest that, if charged monthly and compounded, would result in the same total repayment amount as the SAM at the end of the loan term. This calculation provides a standardized metric for comparison with traditional mortgage products.

The formula for calculating the equivalent compound interest rate, assuming monthly compounding, is:

Equivalent compound interest rate = ((R/L)^(1/(12t)) - 1) × 1200

Where:

  • R is the total amount of the repayment (original loan + appreciation share).
  • L is the initial amount of the loan.
  • t is the time in years (including fractional parts) between the loan origination and the repayment.

This formula yields the interest rate as a percentage, reflecting the effective annual cost of the mortgage when considering the appreciation share as a form of interest.

Annual Compounding Alternative

Alternatively, if one assumes that interest would have been charged and compounded once a year on the outstanding amount, a slightly different formula is applied. This annual compounding model offers another perspective on the effective cost, though monthly compounding is more common in traditional mortgage calculations.

The formula for calculating the equivalent compound interest rate, assuming annual compounding, is:

Equivalent compound interest rate = ((R/L)^(1/t) - 1) × 100

Where:

  • R is the total amount of the repayment.
  • L is the initial amount of the loan.
  • t is the time in years.

For SAMs where the loan was 25% of the property's initial value, the repayment typically included the initial loan amount plus 75% of the difference between the initial and final property values. These formulas are crucial for understanding the long-term financial implications of SAMs, especially in markets with significant property value growth.

History and Evolution

Conception and Development

The concept of Shared Appreciation Mortgages originated from Craig Corn, a director at Merrill Lynch, who sought to provide investors access to the vast housing market, traditionally dominated by owner-occupiers. Recognizing that much wealth was tied in homes, he envisioned linking investment to mortgages. Collaborating with David Garner at Swiss Bank Corporation (SBC), they developed the framework where homeowners would cede a share of property appreciation for low-interest mortgages, while investors gained access to this appreciation. Bank of Scotland, known for its innovation, partnered with SBC to bring this product to market, with a team dedicated to its realization, including expertise in securitization.

Market Introduction and Challenges

The initial launch of SAMs by Bank of Scotland in November 1996 was met with unexpectedly high demand, particularly for the 0% interest option. However, the implementation faced technical hurdles, such as IT systems unable to process open-ended loans or 0% interest rates, necessitating system upgrades. Investor uptake also presented challenges; pension funds, initially targeted, did not materialize as expected, with most investors being institutions seeking high returns. The merger of SBC Warburg with Union Bank of Switzerland to form UBS AG further complicated matters, leading to difficulties in finding investors for later SAM tranches and ultimately forcing Bank of Scotland to withdraw the product.

Millennium Product Recognition

Despite the eventual withdrawal of SAMs from the market, the Bank of Scotland's Shared Appreciation Mortgage was notably selected as one of 1,012 "Millennium Products" by the UK Design Council. This initiative, launched by Prime Minister Tony Blair, aimed to celebrate British innovation, creativity, and design. The Design Council described the SAM as "A mortgage which allows you to release cash tied up in your house for 0% interest payments, in return for a share in any appreciation in value from the sale of the home." This recognition, however, came at a time when the product was no longer being offered, highlighting the complex and often unforeseen long-term implications of financial innovations.

SAM Product Variations

Overview of SAM Products

The Shared Appreciation Mortgage market, though brief, featured several distinct product offerings, primarily from Bank of Scotland (BoS) and Barclays. These products varied in their interest rate structures, whether they were fixed or variable, and crucially, in the ratio of the lender's appreciation share to the initial loan percentage. The table below summarizes the key characteristics of these products, illustrating the different approaches taken by the lenders.

Shared-Appreciation Mortgage Products

Name Interest Rate Fixed/Variable Appreciation Share : Loan Ratio Sold In Issued
BoS SAM 1 5.75% Fixed 1:1 England and Wales 11 November 1996
BoS SAM 2 0% 3:1 England and Wales 11 November 1996
BoS SAM 3 5.95% Variable 1:1 Scotland mid-February 1997
BoS SAM 4 0% 3:1 Scotland mid-February 1997
BoS SAM 5 5.99% Variable 1:1 England and Wales 1997/98
BoS SAM 6 0% 3:1 England and Wales 1997/98
Barclays 0% 3:1 England and Wales March 1998

"Appreciation share : loan" is the ratio of the lender's percentage share of the appreciation to the percentage of the initial value of the property that was borrowed.

Associated Companies and Structure

To manage and issue these mortgages, both Bank of Scotland and Barclays established separate, often specially incorporated, companies. This structural separation had significant implications for regulation and customer recourse, as these entities were not always direct signatories to broader banking codes. The table below details some of these associated companies, their incorporation dates, and their business classifications, providing insight into the corporate architecture behind SAM offerings.

Shared Appreciation Mortgage Companies

Incorporated Company Number From To Name Status SIC
05/10/1995 03110558 05/10/1995 26/04/1996 REFAL 474 Limited Renamed
26/04/1996 01/11/1996 BoS (Shared Appreciation Mortgages) Limited Renamed
01/11/1996 BoS (Shared Appreciation Mortgages) No. 1 PLC Active 64921
23/01/1996 03149607 23/01/1996 11/10/1996 REFAL 485 Limited Renamed
11/10/1996 BoS (Shared Appreciation Mortgages) No. 2 PLC Active 64921
20/11/1996 03281120 20/11/1996 BoS (Shared Appreciation Mortgages (Scotland)) Limited Active 99999
12/03/1997 03331868 12/03/1997 28/04/1997 REFAL 507 Limited Renamed
28/04/1997 09/02/1998 BoS (Shared Appreciation Mortgages (Scotland) No. 2) Ltd Renamed
09/02/1998 BoS (Shared Appreciation Mortgages (Scotland) No. 2) Limited Active 99999
12/03/1997 03331871 12/03/1997 17/04/1997 REFAL 506 Limited Renamed
17/04/1997 BoS (Shared Appreciation Mortgages) No. 3 PLC Active 64921
12/03/1997 03331873 12/03/1997 17/04/1997 REFAL 505 Limited Renamed
17/04/1997 BoS (Shared Appreciation Mortgages) No. 4 PLC Active 64921
18/09/1997 03436151 18/09/1997 24/10/1997 REFAL 513 Limited Renamed
24/10/1997 09/02/1998 BoS (Shared Appreciation Mortgages (Scotland) No. 3) Ltd Renamed
09/02/1998 BoS (Shared Appreciation Mortgages (Scotland) No. 3) Limited Active 64921
24/10/1997 03457750 24/10/1997 BoS (Shared Appreciation Mortgages) No. 5 PLC Active 64921
24/10/1997 03457742 24/10/1997 BoS (Shared Appreciation Mortgages) No. 6 PLC Active 64921
22/10/1990 02550646 22/10/1990 20/10/1993 BARSHELFCO (No. 41) Limited Renamed
20/10/1993 20/01/1998 The Mortgage House Limited Renamed
20/01/1998 11/05/1998 BARSHELFCO (TR No. 2) Limited Renamed
11/05/1998 Barclays SAMS Limited Active 74990

SIC (Standard Industrial Classification of Economic Activities) Codes

Code Description
64921 Credit granting by non-deposit taking finance houses and other specialist consumer credit grantors
74990 Non-trading company
99999 Dormant company

It is important to note that Bank of Scotland PLC and its associated SAM companies are now subsidiaries of Lloyds Banking Group PLC, following a series of mergers and acquisitions.

Hardship and Advocacy

Early Dissension and Formation of Action Groups

As UK house prices soared, many SAM borrowers, like Harold Fisher and Geoffrey Cooke, realized their debts had escalated far beyond expectations, leading to severe financial distress. Their attempts to seek redress through the Financial Ombudsman Service were largely unsuccessful, as the FOS typically ruled in favor of the banks due to the unregulated nature of the specific SAM entities. This widespread dissatisfaction led to the formation of advocacy groups, such as the Shared Appreciation Mortgage Victims Action Group (SAMVIC) in 2003, comprising hundreds of homeowners who felt deceived and sought to coordinate legal action against the lenders.

Parliamentary Scrutiny

The growing plight of SAM borrowers attracted significant attention in the UK Parliament. Numerous debates were held in the House of Commons, with Members of Parliament like Angela Browning, Vince Cable, and Stephen O'Brien raising specific concerns about SAMs. In 2002, a pensions Green Paper highlighted the need for better regulation of equity release products. Financial Secretaries to the Treasury, including Ruth Kelly and Paul Boateng, acknowledged the issues and committed to future mortgage regulation, which eventually came into force in October 2004, aiming to protect consumers from unsuitable products.

Class Actions and Settlements

The Shared Appreciation Mortgage Action Group (SAMAG) was established in 2009, initiating a class action against the banks under the Consumer Credit Act. Over 300 homeowners contributed significantly to legal fees. While a Group Litigation Order (GLO) was initially granted, allowing collective action, the banks successfully appealed, leading to the withdrawal of the customers' case due to prohibitive costs. Many borrowers were then compelled to sign "gagging orders" to waive the banks' costs. More recently, solicitors like Teacher Stern LLP have successfully negotiated confidential commercial settlements with Barclays Bank (2021) and Bank of Scotland (2024) on behalf of SAM clients, with further claims being planned by other law firms, some offering "No Win No Fee" arrangements. Claims for Scottish SAMs, governed by Scots law, are also being organized.

Public and Media Scrutiny

Extensive Media Coverage

The significant financial distress caused by Shared Appreciation Mortgages garnered extensive attention across various media platforms in the UK. National newspapers frequently reported on the issue, alongside in-depth investigations by consumer advocacy publications such as Which? magazine (August 2003) and Saga Magazine (September 2006, August 2007). Television and radio also played a crucial role in raising public awareness, with BBC programs like Inside Out South and Radio 4's Money Box dedicating segments to the SAM scandal, bringing personal stories and expert analysis to a wider audience.

Key Figures and Allegations

Journalists and legal professionals became central to the media narrative surrounding SAMs. Nick Wallis, through his BBC investigations, highlighted the plight of affected homeowners. Legal experts like Christopher Philpot and David Bowman from Teacher Stern LLP have been interviewed extensively, articulating the legal arguments against the banks. Allegations frequently centered on the claim that SAMs were "fundamentally unsuitable" for consumers and "inherently unfair" under the Consumer Credit Act 1974. Recent articles in The Sunday Times by Ali Hussain, including a 2024 piece titled "Victory for families whose unfair loans cost them their homes," underscore the ongoing public and legal battle and the eventual commercial settlements reached.

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References

References

  1.  "Managing Innovation, Design and Creativity" by Dr Bettina von Stamm, published by John Wiley & Sons Ltd, 2003, Chapter 23: "Innovation in Financial Services, Case study 8: Shared Appreciation Mortgage – Bank of Scotland"
  2.  "Home loan for the Dome" by Michelle Carabine, published in the Evening News – Scotland, 2 November 1998
  3.  Companies House, retrieved 28 December 2018
  4.  Bank of Scotland ("as agent for BOS (Shared Appreciation Mortgage) No. 4 PLC") Shared Appreciation Mortgage sales booklet, 1997
  5.  Barclays Mortgage Service information checklist, reference number 1797 (2/98) at the foot of the page
  6.  Financial Ombudsman Service, retrieved 6 February 2018
  7.  "Financial Services Bill receives Royal Assent" published by HM Treasury 19 December 2012, retrieved 13 February 2018
  8.  Were shared appreciation mortgages sold unfairly?, a BBC Inside Out South investigation by Nick Wallis, broadcast on BBC One on 8 September 2014
  9.  Mortgage victims may go to court by Paul Lewis, broadcast on BBC Radio 4 Money Box, 27 September 2008, retrieved 27 February 2018
  10.  Why is Joan trapped in her home? presented by Paul Lewis, broadcast on BBC Radio 4 Money Box, 22 April 2017, retrieved 6 February 2018
  11.  Shared Appreciation Mortgages presented by Paul Lewis, broadcast on BBC Radio 4 Money Box, 23 September 2017, retrieved 6 February 2018
A full list of references for this article are available at the Shared appreciation mortgage Wikipedia page

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