5 Common funding mistakes portfolio landlords make in 2026

Following on from our recent buy to let funding update, we are seeing a clear pattern when reviewing portfolio landlord structures.

The market has not disappeared, but it has become more detailed. In this environment, structure matters just as much as rate.

Here are five common funding mistakes we regularly come across.

1. Reviewing Properties Individually Instead of at Portfolio Level

Many landlords refinance one property at a time without looking at overall exposure.

Lenders increasingly assess portfolio cash flow, total leverage and overall sustainability. A property by property approach can limit options or create unnecessary complexity.

A full portfolio review often uncovers opportunities that would not be visible in isolation.

2. Leaving Refinancing Too Late

Waiting until a product is about to mature can reduce negotiating power.

Starting discussions six to nine months in advance allows time to assess the market, restructure borrowing if needed and avoid being pushed onto higher reversion rates.

Forward planning is becoming more important in a detailed underwriting environment.

3. Focusing Only on Headline Rate

A lower rate does not always mean a better deal.

Arrangement fees, exit fees, stress testing, loan to value limits and flexibility all impact long term performance.

In some cases, slightly higher pricing with stronger structure can improve overall portfolio stability.

4. Not Stress Testing Cash Flow

Interest cover ratios and affordability tests remain central to lender decisions.

Landlords who stress test their portfolios against higher rates or void periods tend to be in a stronger position when approaching lenders and better prepared for market shifts.

Sustainability now carries more weight than short term yield.

5. Using Too Many Lenders Without a Clear Strategy

Diversification can be sensible. However, spreading borrowing across multiple lenders without a structured plan can create administrative burden and inconsistent lending terms.

In some cases, consolidating facilities or aligning product maturities can improve efficiency and long term flexibility.

Final Thoughts

In the current lending environment, proactive portfolio management is becoming increasingly important.

Taking time to review your overall structure, upcoming maturities and funding strategy can help protect cash flow and support long term returns. Small adjustments made early can often prevent larger challenges later.

Whether you are considering refinancing, restructuring or simply want clarity on how your portfolio is positioned, a structured review can provide valuable insight.

If you would like to discuss your portfolio in more detail, feel free to get in touch.


Published 1 April 2026


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