Financing and Interest Rate Risk

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---
schema: foundry-doc-v1
title: "Financing and Interest Rate Risk"
slug: financing-and-interest-rate-risk
category: risks
type: topic
content_type: topic
quality: complete
short_description: "Financing availability and interest rate risk on First Secured Mortgage Debentures issued after a building completes lease-up under the Narrow Banking Model."
status: active
audience: public
bcsc_class: public-disclosure-safe
language_protocol: PROSE-TOPIC
last_edited: 2026-07-03
editor: pointsav-engineering
paired_with: financing-and-interest-rate-risk.es.md
---

The [[narrow-bank-financial-model|Narrow Banking Model]] funds construction with equity and defers borrowing until a
building has stabilized and completed lease-up. This sequencing removes construction-period
debt risk, but it does not remove financing risk from the structure — it relocates that risk to
the point at which the [[debt-service-and-financing-structure|First Secured Mortgage Debentures]] are issued. Financing risk and
interest rate risk apply from that point forward, for as long as debt is outstanding against a
property.

## Availability of financing on favorable terms

Once a property has stabilized and the [[cre-financial-metrics|Interest Coverage Ratio]] covenant is met,
debentures are issued to fund the next phase of construction. The terms available for that
debt issuance — the interest rate, the loan-to-value the market will support, and the covenant
package a lender or debenture purchaser will accept — depend on capital market conditions at
the time of issuance, not on conditions at the time the property was originally planned or
built. There is no assurance that financing will be available on the terms assumed at the
outset of a project, or on any particular terms at all. A period of tight credit conditions,
reduced investor appetite for real estate debt, or a deterioration in the perceived credit
quality of the sponsor or the specific asset class could increase the cost of debt or reduce
the amount of debt available, which in turn could slow the pace at which subsequent
construction phases are funded.

## Interest rate exposure after lease-up

Debentures issued under the model are exposed to prevailing interest rate conditions at
issuance. If interest rates rise between the time a property is planned and the time its
debentures are issued, the cost of that debt will be higher than assumed in earlier
projections, reducing the net operating income available for distribution after debt service.
Because the [[cre-financial-metrics|Interest Coverage Ratio]] is measured against actual interest obligations,
higher-than-assumed interest costs bring an asset closer to the 1.2× distribution floor,
independent of any change in the property's operating performance.

The model's prohibition on capitalized interest means that interest cost increases are
reflected immediately in current-period results rather than deferred into the loan principal.
This provides transparency into financing cost, but it also means that an increase in
prevailing interest rates has a more immediate effect on distributable income than it would
under a financing structure that permits capitalization.

## Refinancing and renewal risk

Where debentures are structured with a term shorter than the anticipated holding period,
renewal or refinancing at maturity is subject to the same availability and pricing uncertainty
described above. There is no assurance that a debenture can be renewed or refinanced on terms
comparable to the original issuance, or that alternative financing will be available if a
lender or debenture purchaser declines to renew.

## Structural mitigants and their limits

The debt-service coverage covenant, the prohibition on capitalized interest, and the ring-
fencing of each debenture to the specific property it finances are structural features designed
to limit how a financing shortfall at one asset can affect the wider portfolio. These features
constrain how much debt can be added and confine the consequence of a default to the specific
asset involved. They do not, however, guarantee that financing will be available on favorable
terms, and they do not eliminate the underlying exposure of any indebted property to interest
rate movement.

## See also

- [[about-risks]] — how risk categories are organized across this wiki
- [[narrow-bank-financial-model|Narrow Banking Model]] — the two-phase financing discipline referenced above
- [[interest-coverage-ratio|Interest Coverage Ratio]] — the covenant that gates debt issuance and distributions
- [[market-and-property-risk]] — how market conditions affect the income that supports debt service