Limited Company Buy-to-Let Mortgages

Limited Company Buy-to-Let Mortgages – Smarter Lending for Landlords and Investors

More and more landlords are turning to limited companies to hold their buy-to-let properties—and for good reason. Whether you’re aiming to grow a portfolio, reduce tax liability, or create a more efficient structure, limited company BTL mortgages can offer major advantages.

At Mortgage Knight, we help first-time and professional landlords secure buy-to-let mortgages through Special Purpose Vehicles (SPVs). We work with lenders who specialise in this area—and make the process simple, even if it’s your first time using a company.

Why Use a Limited Company for Buy-to-Let?

Owning rental property through a limited company (usually an SPV set up just for property investment) can offer:

  • Potential tax advantages for higher-rate taxpayers
  • Ability to retain profits in the company for reinvestment
  • Mortgage interest relief as a deductible business expense
  • Easier to separate personal and business finances
  • Streamlined structure for portfolio expansion and future planning

We’ll work with your accountant to ensure the structure suits your financial goals.

What Is an SPV Limited Company?

An SPV (Special Purpose Vehicle) is a company set up solely to hold and manage property investments. Most lenders require your company’s SIC code (Standard Industrial Classification) to match specific property-related categories, such as:

  • 68100 – Buying and selling of own real estate
  • 68209 – Other letting and operating of own or leased real estate
  • 68320 – Management of real estate on a fee or contract basis

If you need help setting up an SPV correctly—we’ll guide you or connect you with the right professionals.

Who Can Apply for a Ltd Co BTL Mortgage?

We help:

  • First-time landlords using an SPV for their first investment
  • Portfolio landlords looking for tax efficiency and growth
  • Experienced investors remortgaging personal properties into an SPV
  • Joint ventures (JVs) using a corporate structure
  • Landlords with complex income or adverse credit histories
  • Foreign nationals or expats investing in UK property through a company
Key Features of Limited Company BTL Mortgages
Feature Typical Terms
Loan size £50,000 – £5 million+
Deposit required 20–25% minimum
Repayment types Interest-only or capital & interest
Accepted structures SPVs, LLPs, trading companies (some lenders)
SIC codes required 68100, 68209, 68320
Rental stress test Typically 125%–145% at 5.5%–6.5% stress rate
Ownership Personal guarantees often required

Why Choose Mortgage Knight for Ltd Company BTL Mortgages?

  • Specialist knowledge of SPV structures and landlord lending
  • Access to top-tier and specialist lenders
  • Support with SPV setup, SIC codes, and legal process
  • Fast, efficient service for single or portfolio landlords
  • Honest, expert guidance to match your goals
Case Study 1: First-Time Investor Using SPV

Status: Ben was buying his first buy-to-let with family support. His accountant recommended using a limited company for long-term planning.

Solution: We helped him set up the SPV, registered the correct SIC code, and secured a 75% LTV limited company mortgage with a specialist BTL lender.

Outcome: Ben completed within 6 weeks and now receives rental income via the company structure.

Case Study 2: Portfolio Landlord Refinancing into Ltd Co

Status: Rani owned 6 properties personally but wanted to refinance into a limited company to reduce her tax burden.

Solution: We helped arrange limited company remortgages on all 6 properties, coordinating solicitor work and new company lending.

Outcome: Rani now holds her portfolio under one SPV and benefits from tax-deductible mortgage interest.

Case Study 3: Professional Landlord Using SPV for Expansion

Status: Jack and Claire, experienced landlords, wanted to purchase two HMOs using a company structure.

Solution: We secured a multi-property application with a limited company BTL lender offering competitive interest-only terms.

Outcome: They completed both purchases within 8 weeks and now manage all new investments through the SPV.

Frequently Asked Questions

A: Some lenders allow it, but most prefer SPVs for clarity and risk management. We’ll advise on the best route.

A: Not necessarily. Some lenders accept first-time landlords using an SPV, particularly with a strong deposit and income.

A: In most cases, yes. Directors typically provide a personal guarantee, even if the mortgage is in the company name.

A: Yes, but it involves a sale from you to your company, which may trigger Stamp Duty and legal fees. We’ll walk you through it.

A: Slightly, but the tax advantages can outweigh the cost for many landlords—especially higher-rate taxpayers.

Why Choose Mortgage Knight?