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Buy-to-let mortgages · Client case study

Refinancing an 18-unit MUFB before bridge expiry

A completed multi-unit conversion needed to move from expensive short-term bridging finance onto long-term investment lending, while preserving capacity for the investor’s next opportunity.

MUFB refinance Bridging loan exit Portfolio landlord
Wesley Ranger, Willow Private Finance adviser
The adviser behind the case

Wesley Ranger

Wesley assessed the completed development, rental evidence, bridge maturity and future capital requirements together, then matched the refinance to lenders comfortable with larger multi-unit investment property.

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The case at a glance

The challenge
A recently converted 18-unit freehold block had to be refinanced before its bridging facility reached maturity and moved onto materially higher default interest.
The solution
A five-year fixed, interest-only commercial investment facility was structured around the completed asset, evidenced rents and required leverage.
The outcome
The bridge was repaid before default interest applied, while the chosen loan size preserved additional capital for future portfolio growth.
01 / The challenge

A completed conversion still needed a credible route out of bridging finance.

The client was an experienced property investor who had acquired and repositioned a larger freehold building using bridging finance. Planning consent had been obtained and the refurbishment created 18 self-contained apartments, each separately metered with its own EPC and council tax assessment.

By practical completion, the scheme was expected to produce approximately £15,000 a month in rental income and an end value approaching £2 million. The development itself had progressed successfully, but the short-term funding now created the next deadline: the bridge was approaching maturity and would move onto significantly higher default interest if it remained outstanding.

  • A recently completed asset The property had been converted and refurbished, so the refinance lender needed to become comfortable with the planning position, completed works and the investment use.
  • Newly evidenced rental income The anticipated rent was strong, but the building did not yet have a long operating history. Signed tenancy agreements and full occupation were important to evidence the income at drawdown.
  • Valuation and leverage risk The required borrowing had to remain viable even if a surveyor took a more conservative view of local rental demand or investment value.

The refinance therefore needed to do more than replace one loan with another. It had to clear the bridge on time, withstand specialist underwriting and leave the investor in a useful position for the next stage of portfolio growth.

02 / The finance structure

Model the exit around today’s borrowing need and tomorrow’s flexibility.

Wesley reviewed commercial investment lenders with appetite for completed multi-unit developments. The central question was how much to raise at the initial refinance.

One route was to borrow only enough to redeem the bridging facility, then return to the lender around a year later for a further advance. That would have reduced the opening balance. However, the later borrowing would require fresh underwriting and valuation work, with pricing based on the products available at that time.

  1. Refinance the completed MUFB

    Move the 18-unit block from short-term bridging finance to a long-term commercial investment mortgage once the development and rental evidence were ready.

  2. Draw the required facility at the outset

    Use the initial refinance to repay the bridge and preserve additional borrowing capacity rather than relying on a more expensive future advance.

  3. Fix the cost and retain cash flow

    Use a five-year fixed, interest-only structure to provide payment certainty while keeping more rental surplus within the investment company.

The structure completed in this case. The client’s exact loan amount and interest rate have not been disclosed.

The modelling favoured drawing the full facility at the outset. Although that meant carrying a slightly higher balance immediately, the alternative further-advance route was materially more expensive at the time and would have introduced another valuation, underwriting exercise and exposure to future pricing.

For investors using short-term finance to reposition property, Willow’s guide to bridging finance exit strategies explains why the refinance route, valuation evidence and timing should be planned before the bridge reaches maturity.

03 / The outcome

The bridge was cleared before default interest, with long-term funding in place.

The completed refinance moved the full bridging balance onto a five-year fixed commercial investment facility on an interest-only basis. The lower servicing burden relative to expensive bridging finance allowed more rental surplus to remain within the investment company.

Importantly, the required loan size remained supported even under a more conservative valuation scenario. Tenancy agreements and full occupation provided the lender with evidenced rental income at drawdown, helping the transaction satisfy the practical conditions needed for completion.

The key lesson

A bridging exit works best when lender appetite, valuation risk, rental evidence and future capital needs are structured together before the short-term facility reaches maturity.

04 / Your questions

Understanding a bridge-to-term refinance.

Can a recently converted MUFB be refinanced onto long-term buy-to-let finance?

Potentially. Lender appetite varies, and the assessment can include the completed works, planning position, valuation, rental evidence, occupancy, borrower experience and wider portfolio. Larger multi-unit blocks often require specialist rather than standard buy-to-let underwriting.

Why does occupancy matter when exiting a bridge?

Where the long-term lender is relying on rental income, signed tenancies and actual occupation can provide stronger evidence than projections alone. In this case, all apartments needed to be occupied by drawdown.

Should an investor borrow only enough to repay the bridge?

Not necessarily. A lower initial balance reduces immediate interest, but future capital raising may involve a new valuation, further underwriting and different pricing. The appropriate structure depends on the investor’s objectives, costs and likely future funding needs.

What can delay a bridging loan exit?

Valuation work, legal due diligence, lender underwriting, final tenancy evidence and outstanding property requirements can all affect timing. Starting the refinance well before maturity gives more room to resolve those issues without relying on an extension.

Is interest-only borrowing automatically better for a property investor?

No. It can preserve monthly cash flow, but the capital balance does not reduce through the monthly payments. The repayment strategy, rental resilience, total interest cost and any future refinancing risk all need to be considered.

Your project. Your next step.

Plan the exit before short-term finance becomes expensive.

If you are refinancing a completed conversion, MUFB or other investment property before a bridge matures, start with the asset, rental evidence, valuation risk, timing and future capital requirements together.

Understand your options before you commit. Your initial conversation, assessment and presentation of suitable options are free, with no obligation. Any fees are explained before you decide whether to proceed.

  • 01 Explain the objective Outline the property, current facility and timing.
  • 02 Assess the route Review lender appetite, evidence and refinance options.
  • 03 Choose whether to proceed See the recommended structure and costs first.

Wesley Ranger

Adviser at Willow Private Finance

Wesley advised on the structure behind this case. Enquiries are handled by the Willow team so your circumstances can be assessed and directed appropriately.

Enquire with the Willow team 0207 082 5175

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About this case study. Client details have been anonymised. This is an individual case and not a guarantee of lending terms. Criteria, valuations, pricing and product availability can change; applications remain subject to assessment and lender underwriting.

Interest-only payments do not repay the capital balance, so a suitable repayment strategy is required. Rental income can vary, and future refinancing remains subject to lender criteria and market conditions.

As a mortgage is secured against your home or property, it could be repossessed if you do not keep up the mortgage repayments. The Financial Conduct Authority does not regulate some forms of buy-to-let mortgages.