Portfolio Landlord Mortgages
Four properties or forty. The portfolio is the client.
At four properties, the rules change
Once you hold four or more mortgaged buy-to-lets, lenders treat you as a portfolio landlord: whole-portfolio stress tests, business plans, and underwriting that looks at every property, not just the one you’re buying.
Run well, that scrutiny becomes an advantage: a properly presented portfolio wins better terms, releases trapped equity and funds the next acquisition. Run badly, it stalls everything.
How ERG helps
- Whole-portfolio strategy:
- We map every property, rate and redemption date, then sequence refinancing and purchases so the portfolio compounds instead of coasting.
- Specialist portfolio lenders:
- Some lenders cap exposure; others are built for scale. We place each tranche of borrowing where the appetite genuinely is.
- Presentation that passes first time:
- Portfolio schedules, business plans and cash-flow statements prepared the way underwriters want them, our paperwork is part of the product.

Who we help
Portfolio work we handle:
- Landlords crossing the four-property threshold
- Whole-portfolio refinancing to release capital
- Mixed portfolios, single lets, HMOs and holiday lets
- Incorporated and personally held portfolios
- Acquisition funding for the next purchase, planned ahead
Frequently Asked Questions
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Four or more mortgaged buy-to-let properties, under PRA rules. From that point lenders must assess your whole portfolio when you apply for further borrowing, which is why presentation matters so much.
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Yes, coordinated refinancing across the portfolio is one of our most common instructions, often to fund the next purchase. Sequencing matters: redemption penalties, rates and valuations all play into the order we’d recommend.
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No, and usually they shouldn’t be. Spreading the portfolio across lenders manages exposure limits and keeps options open. We’ll design the lender mix deliberately.
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