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🛑 The Hidden Trap of Bridge Finance: Why Your Low Interest Rate is Costing You a Fortune

  • Writer: Connor Madden
    Connor Madden
  • Nov 24, 2025
  • 2 min read

The world of property development finance often feels like a race against time, and bridging loans are the fastest vehicle on the track. But speed comes at a price—and that price is rarely advertised upfront.

The single biggest mistake we see smart investors make is falling for the Headline Interest Rate.


The Illusion vs. The Reality


When you see a broker advertise a bridge loan at "0.75% per month!" it sounds fantastic. It sounds cheaper than your commercial mortgage. You sign the paperwork, you get the funds, and then you discover the true cost has ballooned by thousands of pounds.

Why? Because the real cost of capital is not the interest rate; it’s the Effective Interest Rate (EIR).

The Headline Rate is the illusion. The EIR is the reality.


1. The Death by a Thousand Fees


Bridging finance is short-term and risk-heavy for the lender, so they mitigate that risk by front-loading the cost into non-interest fees. These must be included in your calculation:

  • The Arrangement Fee: Often 1.5% to 2.5% of the loan amount, paid upfront.

  • The Exit Fee: A fee paid upon completion, often another 1% to 2% of the original loan amount or the gross loan amount.

  • The Valuation & Legal Fees: The lender's costs, which you almost always pay.

A loan with a low 0.75% monthly rate but a 2.5% Arrangement Fee and a 1.5% Exit Fee can quickly become far more expensive than a loan with a 1.0% monthly rate and zero exit fees.

Your Rule: Never compare the interest rate. Always compare the EIR.


2. The Exit Strategy: The Lender’s Only Focus


If the true cost of the loan (the EIR) is the financial risk, the Exit Strategy is the commercial risk.

Lenders don't care about your plans for marble countertops; they only care about one question: "How are you going to pay me back, and when?"

You must present your exit strategy as a fully vetted, professional timeline:

  • If the Exit is a Sale (Flip): Your pitch must include comparable sales data (comps) that firmly support your projected Gross Development Value (GDV). You must show the market is liquid enough to sell quickly.

  • If the Exit is Refinance (Hold): Your pitch must include proof of high tenant demand and a guaranteed rental income forecast that meets the serviceability criteria of a long-term Buy-to-Let (BTL) or commercial lender.

A weak exit strategy will immediately result in less favourable terms (higher interest, higher fees) or a flat-out rejection, regardless of how good the property is.


Stop Guessing. Start Systemizing.


Understanding the EIR protects your profit. Mastering the Exit Strategy protects your reputation and access to future capital. These two elements are non-negotiable for anyone serious about using finance to scale.

We deep-dive into this advanced financial architecture in our 4-Week Advanced Funding Module.

➡️ Don't leave thousands of pounds on the table. Learn how to calculate the EIR and structure a bankable Exit Strategy in our latest lessons. Click here to gain access to the full module now! Mastering Bridge Finance | Bridging The Gap

 
 
 

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