What Type of Lenders Offer BTL Revolving Credit Facilities in the UK?
22nd May 2026
By Simon Carr
What Type of Lenders Offer BTL Revolving Credit Facilities in the UK?
For UK property investors and buy-to-let landlords, managing cash flow is a constant balancing act. Whether you are looking to secure a property at an auction, fund a sudden refurbishment, or upgrade your portfolio to meet energy efficiency standards, having immediate access to capital is essential. Traditional lending options, such as remortgaging or taking out standard bridging loans, are not always fast enough or flexible enough for these situations.
This is where a Buy-to-Let (BTL) revolving credit facility can help. This financial product works like a property overdraft, allowing you to draw down funds, repay them, and draw them again without needing to reapply each time. However, finding these products on the high street can be challenging. In this guide, we will explore what type of lenders offer BTL revolving credit facilities in the UK and how they compare to traditional property finance.
Understanding the BTL Revolving Credit Facility
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Before looking at the lenders themselves, it is important to understand how this product is structured. A BTL revolving credit facility is a secured facility. It is secured as a second charge against a residential buy-to-let property, sitting directly behind your existing first-charge mortgage.
It is crucial to clarify that this is not an unsecured business loan, a business credit card, or a generic business revolving credit line. Because it is secured against your investment property, it allows lenders to offer larger credit limits and more competitive interest rates than unsecured alternatives. However, this security also means there are serious risks to consider. Your property may be at risk if repayments are not made. Failing to keep up with your payments could result in legal action, repossession of the property, increased interest rates, and additional charges from the lender.
Unlike a traditional loan where you receive a lump sum and pay interest on the whole amount, a revolving facility only charges interest on the money you actually draw down. Once arranged, you can typically draw down funds in 24 to 48 hours, making it an incredibly agile tool for active property investors.
What Type of Lenders Offer BTL Revolving Credit Facilities in the UK?
If you walk into a traditional high-street bank, you are unlikely to find a BTL revolving credit facility on their product menu. Standard high-street institutions prefer highly structured, standardized products like first-charge residential mortgages. They generally do not have the underwriting agility or appetite for risk to manage second-charge revolving facilities.
Instead, these facilities are offered by specific types of lenders:
- Specialist Property Lenders: These are non-bank financial institutions that specialize entirely in property finance. They understand the fast-paced nature of property development, refurbishments, and auction purchases. Because they specialize in this niche, they have custom underwriting teams capable of assessing the value of your existing portfolio and securing second charges quickly.
- Challenger Banks: Modern challenger banks in the UK have carved out a significant market share by offering more flexible criteria than traditional banks. They are often more willing to look at the overall strength of a landlord’s portfolio rather than just individual income.
- Boutique Private Equity & Investment Firms: Some high-net-worth and boutique investment firms offer bespoke debt facilities to professional landlords with larger portfolios. These are typically highly tailored products designed for substantial property expansion.
Because these lenders operate in a specialist market, they often do not deal directly with the general public. Instead, they work almost exclusively through intermediary brokers. Promise Money is an FCA-authorised broker (Ref: 681423) — not a lender. We work closely with these specialist providers to help you find the right facility for your investment strategy. You can contact our team directly on 01902 585020 or visit our Promise Money Landlord Revolving Credit Hub to learn more.
How Do These Lenders Evaluate Your Application?
Specialist lenders do not assess applications in the same way traditional mortgage lenders do. When you apply for a BTL revolving credit facility, the lender will primarily focus on two main areas: the equity available in your property portfolio and your exit strategy.
Since the facility is secured as a second charge, the lender will calculate the loan-to-value (LTV) ratio across your properties. They need to ensure there is enough remaining equity behind your first-charge mortgage to secure the credit limit you require.
They will also look at your personal and business credit history. Even though the loan is secured, lenders still need to verify your track record of managing debt. If you want to check your current credit standing before speaking with a broker, you can prepare in advance. Get your free credit search here. It’s free for 30 days and costs £14.99 per month thereafter if you don’t cancel it. You can cancel at anytime. (Ad)
How Does This Compare to Bridging Finance and Remortgaging?
When landlords need quick access to capital, they typically look at bridging finance or remortgaging. Here is how a BTL revolving credit facility compares to these options:
Bridging Finance
Bridging loans are designed for short-term use, but they can be rigid. An open bridging loan has no firm end date but requires a clear exit strategy, while a closed bridging loan has a set, agreed date for repayment. Furthermore, most bridging loans roll up interest, meaning monthly payments are not typical, but the overall cost can accumulate quickly. If you need to make multiple purchases over a year, taking out individual bridging loans can become incredibly expensive due to repetitive arrangement fees. A revolving credit facility allows you to draw down and repay multiple times under a single agreement, saving on administrative costs.
Remortgaging to Release Equity
Remortgaging is another common way to release cash from a property. However, remortgaging can take several weeks or even months to complete, making it useless for fast-moving property auctions. Additionally, if you currently have an attractive, low interest rate on your first-charge mortgage, remortgaging your entire property could force you onto a much higher rate. Because a BTL revolving credit facility is a second-charge product, it sits behind your existing mortgage. This allows you to keep your competitive first-charge rate intact while accessing the equity you need.
Typical Scenarios for Using a BTL Revolving Credit Facility
Landlords can use this flexible facility in various ways to improve and expand their portfolios:
- Auction Purchases: Properties at auction typically require a 10% deposit immediately and the remaining 90% balance within 28 days. A revolving credit facility allows you to draw down the funds within 24 to 48 hours to secure the purchase.
- Property Refurbishments: If you buy a property that needs work before it can be let, you can draw down funds to pay builders and purchase materials. Once the property is refurbished and tenant-ready, you may choose to refinance onto a standard BTL mortgage and pay back the drawn amount.
- Covering Void Periods: If a property is empty between tenancies, your rental income stops, but your first-charge mortgage payments do not. You can use the facility to cover these void periods and maintain your cash flow.
- EPC Upgrades: Energy performance standards for UK rental properties are evolving. Landlords can use the facility to pay for insulation, heat pumps, or double glazing, upgrading their properties to meet government regulations. You can check the latest energy advice for landlords on the UK Government Energy Efficiency Portal.
People also asked
Can I get a BTL revolving credit facility from a high-street bank?
Generally, no. High-street banks focus on low-risk, standardized first-charge mortgages and rarely offer secured, second-charge revolving facilities for buy-to-let properties.
Is a BTL revolving credit facility an unsecured business loan?
No, it is a secured facility that is registered as a second charge against your residential buy-to-let property. This means your property is at risk if you fail to maintain your repayments.
How quickly can I draw funds once the facility is set up?
Once the initial legal work is complete and the facility is active, you can typically draw down funds into your bank account within 24 to 48 hours.
Do I pay interest on the entire credit limit?
No, you only pay interest on the money you have actually drawn down and are currently using, not on the entire limit of the facility.
What happens if I cannot repay the drawn funds?
Because the facility is secured against your property, failing to make repayments may lead to legal action, default charges, increased interest rates, or the repossession of your property by the lender.
Choosing the Right Option for Your Portfolio
Every property portfolio is unique, and what works for one investor may not suit another. A BTL revolving credit facility offers unmatched flexibility for active landlords, but it requires careful financial planning. Working with a specialist broker can help you compare products across the market to find a solution that fits your long-term goals.
If you would like to explore your options, contact the team at Promise Money on 01902 585020 or visit our website to speak with one of our secured loan experts.


