Should I Buy to Let?UK property investment calculator

Ownership structure

Buy personally or through a limited company?

A company can change finance-cost treatment and how profits are retained, but it also changes mortgages, administration, extraction tax and the sale outcome.

There is no universal winner

The answer depends on your wider income, borrowing, number of properties, whether profits will be reinvested or withdrawn, and your eventual exit. Compare the full life of the investment—not just one headline tax rate.

IssueIndividual ownershipLimited company ownership
Rental profitGenerally subject to Income Tax at the owner’s applicable rateCompany property-business profit is generally within Corporation Tax
Mortgage finance costsResidential finance costs are generally subject to the Section 24 basic-rate tax reductionInterest may generally be an expense of the company, subject to company tax rules and restrictions
Using the profitCash belongs to the owner after taxTaking cash personally can create further tax through salary, dividends or other extraction
Mortgage marketBroader choice in many straightforward casesSpecialist company products; pricing, guarantees and criteria can differ
AdministrationProperty records and personal tax filingsAccounts, Corporation Tax, Companies House filings, registers and director duties
SaleGain may be subject to Capital Gains Tax after available reliefsProperty gain is generally reflected in the company’s taxable profit; withdrawing sale cash may create another personal tax layer
Purchase taxHigher rates may apply to additional dwellingsCompanies generally face higher residential purchase rates; special rules can also apply

When a company may deserve closer examination

Company ownership is often considered when borrowing is material, the owners expect to retain profits to fund more properties, or a portfolio is being built as a long-term business. It is not automatically better: higher mortgage costs, professional fees and tax on extracting cash can offset some advantages.

When personal ownership may remain simpler

Personal ownership can be easier for a small portfolio, may provide a wider mortgage choice and avoids company filings. It may be competitive where borrowing is low, the owner pays a lower tax rate or rental cash is needed personally. The result is highly specific to the owner.

Do not transfer an existing property casually

Moving a property you already own into a company is normally a transaction, not an administrative relabelling. It can create property transaction tax, Capital Gains Tax, refinancing, valuation, legal and early-repayment costs. Reliefs are fact-specific and should not be assumed.

Questions to model before deciding

  • What is the after-tax cash flow under each structure?
  • How much borrowing is used and at what company/personal mortgage rate and fee?
  • Will profits be reinvested or withdrawn each year?
  • Who owns the shares or property, and how will ownership changes be handled?
  • What happens on sale, death, succession or a transfer between owners?
  • What annual accountancy, filing and professional costs apply?
Calculator limitation

The main calculator currently models an individual owner. Its income-tax and CGT outputs should not be treated as company results. Build a separate adviser-reviewed company cash-flow comparison before choosing the purchaser named in an offer.

Official starting points

Model the individual scenario

Obtain tax, legal and mortgage advice before making an offer or transferring a property.