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What is stretched senior debt?

Updated Sept 2026 · Reviewed by The Lienhouse team

Stretched senior debt is a single first mortgage development loan that lends further up the capital stack than a bank would. Where a bank might stop at 60 to 65% of cost, a stretched senior lender goes higher and prices the whole loan at one blended rate. The developer gets leverage close to a senior plus mezzanine structure, with one lender, one set of documents and no intercreditor deed.

Key takeaway
Stretched senior is one first mortgage loan at higher leverage and a blended rate - simpler than senior plus mezzanine, at a similar overall cost.

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Development projects are funded in layers. Senior debt sits first, secured by first mortgage, and is the cheapest money. Equity sits last and takes the first loss. Between them there is often a gap, because the senior lender will not advance enough and the developer does not want to tie up more cash. There are two ways to fill that gap with debt: add a second, junior loan, or find a senior lender willing to stretch.

How stretched senior works

The lender takes a first mortgage over the site and advances a larger share of the project than a conventional senior facility. The loan is still drawn in stages against certified work, exactly like any development finance facility. The difference is the leverage and the price.

Bank seniorStretched senior
Typical leverage60 to 65% of costHigher, up to around 70% of end value
SecurityFirst mortgageFirst mortgage
PresalesUsually requiredReduced or none
PricingLowestBlended, between senior and mezzanine
DocumentsOne facilityOne facility

Leverage limits on this site are up to 70% of gross realisable value for development finance, which is the benchmark a stretched senior facility is measured against.

Why developers use it

  • Simplicity. One lender, one valuation, one quantity surveyor, one legal bill. No intercreditor deed to negotiate between two lenders.
  • Speed. A single credit decision rather than two that must line up.
  • Control on a bad day. If the project hits trouble, there is one lender to deal with, not a senior and a junior with different interests.
  • Less equity. Capital can be kept for the next site.

What it costs

The rate sits above bank senior debt and below mezzanine. The useful comparison is the blended cost of the alternative. A senior loan at a low rate plus a mezzanine layer at 14% or more often averages out close to a stretched senior rate, and the second structure carries two sets of fees.

When it does not fit

Where a bank facility is available, presales are strong and the developer has the equity, plain senior debt is cheaper. Where the gap is small and the senior lender is already committed, a mezzanine layer behind it may be simpler than refinancing the whole facility. The side by side is in stretched senior vs mezzanine.

What the lender assesses

The feasibility, the end value, the builder and the fixed price contract, the developer’s record, the planning approvals and the exit. Borrowers are companies and trusts building for business or investment purposes.

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FAQ

Is stretched senior more expensive than bank senior debt?

Yes. The rate is higher because the lender is taking risk a bank would leave to a mezzanine lender or to your equity. It is usually cheaper than mezzanine on its own.

Do I still need presales?

Often fewer, and sometimes none. Non-bank lenders place more weight on the end value, the builder and the exit than on a presales quota.

Who offers stretched senior debt?

Non-bank and private development lenders. Banks generally do not lend at these leverage levels.

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One loan, one lender, more of the project funded.

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