Rolled-Up Interest at a Glance
| What it means | Interest accrues on your loan balance and is repaid in full at the end of the term |
|---|---|
| When interest is paid | On exit only: on sale, refinance, or early redemption |
| Monthly cash-flow impact | None: no payments required during the term |
| Effect on total repayment | Higher than serviced interest because the balance compounds each month |
| Typical use case | Refurbishment, vacant-property hold, or short-term gap before sale |
| Main benefit | Preserves your cash flow during the loan term |
| Main risk | Exit delays increase your balance; every extra month compounds the cost |
| Best suited to | Borrowers selling or refinancing within 6 to 12 months with no rental income during the term |
| Not suited to | Long terms, uncertain exits, or borrowers already near the lender’s LTV cap |
What Is Rolled-Up Interest?
Rolled-up interest is a repayment structure on bridging loans where your monthly interest charge is added to your outstanding balance rather than paid each month.
You make no interest payments during the loan term. When you exit, whether you sell the property, refinance, or redeem early, you repay the original capital plus all the interest that has accumulated.
How Rolled-Up Interest Works
Each month, your lender calculates interest on the current outstanding balance and adds it to that balance. The following month’s interest is then calculated on a slightly larger figure.
On a £300,000 loan at 0.75% per month: month one adds £2,250 to your balance. Month two applies 0.75% to £302,250. Your balance grows every month you hold the bridge.
This compounding is modest over short terms but builds significantly if your exit is delayed. We’d treat anything beyond nine months as a meaningful risk marker: at 12 months your balance reaches around £328,900 on a compound basis versus £327,000 on simple interest.
Rolled-Up Interest vs Serviced Interest
With serviced interest, you pay each month’s interest charge as it falls due. Your capital balance stays flat throughout the term.
The trade-off is clear: serviced interest demands a monthly cash commitment, but your total repayment is lower because your balance never compounds. If you have rental income or other income during the term, serviced interest usually costs less overall.
Rolled-up removes the monthly commitment and protects your cash flow during the term. The cost is a higher exit balance. We’d say the right choice depends on your income during the term and the length of your bridge. If you have rental income coming in, we’d lean toward serviced.
Rolled-Up Interest vs Retained Interest
Retained interest and rolled-up interest are often confused, but they work differently. With retained interest, the lender calculates the projected total interest for the full term and deducts it from your gross loan on day one.
You receive less net proceeds upfront. On a £300,000 loan at 0.75% per month for 12 months, the lender holds back around £27,000, so you receive approximately £273,000 in your account on completion.
The advantage of retained over rolled-up is that there is no compounding. Interest doesn’t accrue on the withheld reserve. We’d confirm this is the key distinction: if your term might run long, retained gives you a fixed cost ceiling that rolled-up doesn’t.
What Rolled-Up Interest Actually Costs
The table below shows how serviced, rolled-up, and retained interest compare on the same £300,000 loan at 0.75% per month over 12 months.
| Interest structure | Monthly payment | Net day-one proceeds | Capital repaid at exit | Total interest (simple basis) |
|---|---|---|---|---|
| Serviced | £2,250/month | £300,000 | £300,000 | £27,000 |
| Rolled-up | None | £300,000 | ~£327,000 to £328,900 | £27,000 to £28,900 |
| Retained | None | ~£273,000 | £300,000 | £27,000 |
On a 12-month term at 0.75% per month, all three structures produce around £27,000 in interest on a simple-interest basis. The difference is timing and whether compounding applies.
Serviced requires a regular outgoing throughout your term. Rolled-up defers everything to exit but compounds slightly. Retained reduces what you receive upfront but fixes your total cost from day one.
Add a 1.5% arrangement fee (£4,500) and your all-in finance cost before legal and valuation sits at around £31,500 on a rolled-up or retained basis. We’d recommend stress-testing this figure against your expected sale or refinance proceeds before you draw the bridge.
When Lenders Offer Rolled-Up Interest
Strong exit strategy. Your lender needs a credible repayment route before they will allow rolled-up interest. A sale with a confirmed buyer or a refinance with a mortgage decision in principle meets the bar.
Enough equity in the property. Because the balance grows each month, lenders check that your projected month-12 balance stays inside their LTV cap. Most require a lower starting LTV, often 65% to 70%, before offering rolled-up.
Short loan term. Rolled-up structures are straightforward on terms of 6 to 12 months. For longer terms, the compounding effect on your balance becomes a material risk to the lender and to you.
Acceptable loan-to-value. The lender models the accruing interest into the underwriting from day one. If your projected exit balance would breach their cap, the advance is reduced until the numbers work.
Borrower affordability. Even though you make no monthly payments, lenders assess whether you could service the loan if your exit is delayed. Having no income from the property is not automatically a problem, but no credible fallback is.
Property sale or refinance plan. Your exit must be documented and specific: property, buyer or lender in principle, timeline. We’d flag this: vague exit plans are rejected as decisively as weak credit.
Benefits of Rolled-Up Interest
No monthly interest payments. You make no cash payments during the term. Your cash flow is not reduced each month by a finance charge. This is the primary reason most bridging borrowers choose rolled-up when it is available.
Better short-term cash flow. If your property is vacant during the loan, undergoing refurbishment or not yet tenanted, your cash flow is already under pressure. Rolled-up removes the monthly interest burden during the period when you have no rental income.
Useful during refurbishment or sale. Borrowers who are renovating a property before sale or tenanting have a natural holding period with no income from the asset. Rolled-up aligns your finance cost with your income event rather than demanding payments before you receive any proceeds.
Simpler repayment structure. You set aside one exit sum and clear the bridge in full at sale or refinance. No monthly standing orders, no missed-payment risk during the term, no per-month interest calculations to track.
Risks of Rolled-Up Interest
Higher final repayment. Your exit balance is larger than the original loan. The difference grows every month the bridge is live. Over 12 months at 0.75% per month, you repay approximately £27,000 to £28,900 more than you borrowed.
Interest building over time. Unlike serviced interest, where your balance stays flat, rolled-up increases the amount you owe each month. A six-month bridge is very different from a 12-month bridge when interest compounds on the outstanding balance.
Exit delay risk. If your sale falls through or your refinance is delayed, interest continues to compound on a growing balance. We’d call this the most underestimated rolled-up risk: each extra month adds interest on a higher balance than the month before.
Loan-to-value pressure. As your balance increases, so does your effective LTV. If your property value falls while your balance rises, you can end up unable to refinance at the LTV required to clear the bridge.
Default risk. Once you miss the term end date, default interest, often 1% to 2% per month above your contracted rate, applies on top of the accruing rolled-up balance.
Less flexibility if the sale or refinance fails. Serviced-interest borrowers who miss their exit have a smaller outstanding balance in the same position. Your equity cushion is thinner if things go wrong.
When Rolled-Up Interest May Be Suitable
Selling the property. Your exit is a property sale and the proceeds will clear the bridge in full. You have no income from the property during the term and can’t service a monthly interest payment. Rolled-up preserves your cash flow during your holding period.
Refinancing after works. You are refurbishing the property before tenanting and refinancing onto a buy-to-let mortgage once the work is done. Your cash flow is committed to the build, and you have a confirmed mortgage in principle for the exit.
Short-term cash-flow pressure. You have the equity and a clear exit but can’t commit to a fixed monthly payment for the duration of the bridge without creating cash-flow strain elsewhere in your portfolio.
Refurbishment before sale or refinance. Your works take 4 to 8 months and you will sell or refinance immediately after. Your term is short enough that the compounding effect on your balance is limited. We’d recommend checking the month-12 LTV before choosing rolled-up over retained.
No rental income during the loan term. The property is vacant, being converted, or between tenancies. You have no income stream from the asset to offset monthly interest charges, so rolled-up fits the economics of your hold period.
When Rolled-Up Interest May Not Be Suitable
Uncertain exit strategy. If your sale is speculative, with no offer on the table and no buyer interest confirmed, or your refinance depends on a post-works valuation you cannot predict, the growing rolled-up balance becomes a liability rather than a managed cost.
Longer loan term. On a term exceeding 12 months, the compounding effect adds meaningfully to your total cost. If you have rental income during a longer bridge, serviced interest typically costs less overall and removes the escalating-balance risk.
Tight equity position. If your day-one LTV is already at or above 70%, rolled-up interest will push your effective LTV higher each month. Lenders may not allow rolled-up in this position, and if they do, your equity cushion narrows quickly.
Rising total repayment. On terms above 9 months, rolled-up interest produces a noticeably higher total cost than a serviced facility at the same rate. If you can service monthly payments, the maths usually favours serviced beyond that horizon.
Weak refinance prospects. If your plan to refinance at exit depends on a post-works valuation hitting a specific figure, and that figure is uncertain, the risk profile of rolled-up is significantly worse than serviced or retained.
Alternatives to Rolled-Up Interest
Each alternative involves a different trade-off between monthly cash commitment, day-one loan proceeds, and total repayment cost.
| Alternative | How it works | When it may suit | Main drawback |
|---|---|---|---|
| Serviced interest | Monthly interest payments; balance stays flat throughout the term | Rental income or other income during the term; longer bridge; strong cash flow | Monthly outgoing required; pressure if your income is interrupted |
| Retained interest | Projected interest deducted upfront; no monthly payments; no compounding | Short-to-medium term; no cash flow during term; want cost certainty from day one | Lower net day-one proceeds; unused portion refunded only on early exit |
| Part-serviced / part-rolled | Some interest paid monthly; remainder added to the balance | Partial income during term; want to limit compounding without full monthly commitment | Available from fewer lenders; more complex to model |
| Lower loan amount | Borrow less so your rolled-up balance stays inside the LTV cap at term end | When the lender won’t approve rolled-up at your requested LTV; you can fund the gap from equity | Requires more cash equity; not always available at short notice |
| Shorter loan term | Agree a shorter term to limit the compounding period | When you are confident of a fast exit but want the insurance of rolled-up during the hold | Leaves less buffer if your exit takes longer than planned |
Before applying, compare the lenders active in rolled-up interest bridging to check current rates and maximum LTV. Our specialist bridging lender comparison covers the main providers offering rolled-up, serviced, and retained structures.
Frequently Asked Questions
Is rolled-up interest more expensive than serviced interest?
On a simple-interest basis the total interest charge is the same. In practice, rolled-up costs slightly more because interest compounds on a growing balance. The difference is small over short terms. On a 12-month bridge at 0.75% per month the compound cost exceeds the simple cost by around £1,900 on a £300,000 loan.
Do you pay rolled-up interest monthly?
No. With rolled-up interest you make no payments during the term. Interest accrues on your outstanding balance each month and is repaid in full when you exit the bridge through sale or refinance.
Can rolled-up interest be added to any bridging loan?
Most bridging lenders offer rolled-up as the default structure, but they apply conditions. Your exit must be credible and your day-one LTV must leave room for the accruing balance to grow. Some lenders cap rolled-up at 65% to 70% LTV to ensure the projected exit balance stays within their lending limits.
What happens if my bridging loan runs longer than expected?
Interest continues to compound on your growing balance. If you breach the agreed term end date, default interest typically applies, often 1% to 2% per month above your contracted rate. Build a buffer of one to three months into your planned term from the outset to reduce this risk.
Is retained interest the same as rolled-up interest?
No. Retained interest is deducted from the loan advance upfront. You receive less cash on day one, but your balance doesn’t grow during the term. Rolled-up interest accrues during the term and is added to your balance monthly, increasing the amount you owe at exit.
Can rolled-up interest affect my loan-to-value?
Yes. As interest is added to your balance each month, your effective LTV rises. Lenders model this when underwriting and may require a lower starting LTV to ensure the projected balance at term end stays within their cap. This is one reason rolled-up is not always available at 75% LTV.
Do all bridging lenders offer rolled-up interest?
Most specialist bridging lenders offer rolled-up alongside serviced and retained structures. Not all lenders offer all three on every property type or at every LTV. Your broker can confirm which lenders will offer rolled-up for your specific deal.
How we reviewed this
What we covered. This guide explains how rolled-up interest works on UK bridging loans, drawing on primary lender documentation, FCA guidance, and rate data from Octane Capital, Precise Mortgages, and Shawbrook. We don’t draw on comparison site summaries.
Data sources. Rate and fee data verified in May 2026 against provider websites (Octane Capital, Precise Mortgages, Shawbrook). Rates reflect published starting rates for standard residential bridging. Your actual rate depends on LTV, property type, credit profile, and exit strength.
Update cadence. We re-verify this page at least monthly, and whenever a provider changes pricing, eligibility, or terms. The verification date on the page reflects the most recent full review. Some links on this page are affiliate links; see our editorial policy.