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How to get a commercial property loan: application steps and documents

A practical sequence for buying business premises or an investment property, from checking affordability to satisfying the conditions of a mortgage offer.

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7 min read
Brick and grey-clad commercial premises with office and workshop space
Business premises can involve a longer-term funding requirement.

To get a commercial property loan, define the property use, establish your deposit and repayment budget, gather financial evidence, then approach a suitable lender or broker. An initial indication is followed by underwriting, valuation and legal work before an approved loan can complete.

Published by Business Loan Options. Sources checked 4 October 2026.

Section 01

Step 1: define the transaction and the borrower

Write a one-page brief describing what you are buying, its intended use, purchase price, location, proposed completion date and borrowing amount. Include whether the property is freehold or leasehold, currently occupied or vacant, and whether alterations are planned.

Name the proposed borrower and explain how it will receive the cash used to make repayments. Buying premises for your trading business and buying a building to rent to another business raise different questions. Resolving that distinction early makes lender conversations more useful.

Sources: British Business Bank — financing a commercial property purchase

Section 02

Step 2: calculate cash and repayment headroom

Work backwards from cash available rather than the maximum advertised borrowing. Separate the deposit, professional costs, applicable purchase taxes, repairs and the reserve the business must retain after completion. Identify any deposit money provided by directors, another company or separate borrowing and disclose its source.

In a hypothetical £500,000 purchase with a £350,000 mortgage, £150,000 must come from other funds before fees and works. If £150,000 is all the cash available, the transaction is not yet fully funded. Write down which costs can be paid without weakening day-to-day operations.

Prepare a downside budget as well as your expected case. For a trading property, examine a fall in operating cash generation. For an investment, examine void periods and maintenance. A manageable opening payment can become difficult when several assumptions change together.

Business owners discussing funding with an adviser at an office table
Discuss the funding requirement before comparing finance routes.

Section 03

Step 3: assemble an application pack

Ask your shortlisted provider for its exact document list. NatWest's application guidance asks for business information including turnover and profit details. Do not assume that one provider's checklist or trading-history requirement applies across the market.

A useful preparation folder should allow the lender to follow the money from past performance to future repayments. Where records are incomplete or a business is new, explain the gap and ask what substitute evidence the lender would consider before paying for reports.

  • Accounts available, current management figures and business bank statements.
  • Existing finance, repayment commitments and any guarantees.
  • A forecast showing the proposed property's cash effect.
  • Property particulars, proposed purchase terms and any lease or tenancy evidence.
  • Identity, ownership and deposit-source information requested by the lender.
  • Details of planned works, quotations and the cash needed to carry them out.

Sources: NatWest — applying for a commercial mortgage

Section 04

Step 4: compare indications and underwriting requirements

Ask a lender or broker what is still provisional in an indicative quotation. Record the proposed amount, rate basis, repayment schedule, security, fees and conditions. If using a broker, ask which lenders are being considered and how the broker is paid.

Submit accurate information consistently. A forecast is more useful when assumptions can be explained than when it simply reaches the repayment figure. If a lender raises a concern, establish whether it relates to affordability, property acceptability, evidence or the proposed structure before changing the application.

Sources: NatWest — applying for a commercial mortgage

Business owner reading finance documents at an office desk
Read the full agreement before committing to finance.

Section 05

Step 5: valuation, legal work and offer conditions

A lender's valuation supports its lending decision; it is not a substitute for your own assessment of the building or a survey appropriate to the purchase. Ask what happens to the approved borrowing if the valuation is below your agreed price.

Have your solicitor explain the security documents, title issues, lease restrictions, guarantee wording and any conditions that must be met. For company charges, Companies House guidance sets a 21-day registration period starting the day after creation. Agree who handles the filing and confirms it has been completed.

Before exchanging contracts, establish with your solicitor whether funding and the transaction conditions are sufficiently settled. Avoid treating an informal lending conversation as a binding offer.

Sources: Companies House — registering a company charge

Section 06

Step 6: complete with a plan for the first year

Keep a completion statement showing funds in, deposit, loan proceeds and every payment out. Confirm insurance, the first repayment date and where repayments will be collected. Put information obligations and future rate or facility review dates in the business diary.

Then compare actual occupancy and borrowing costs with your budget. If repairs or trading results change the cash position, discuss the issue early. Completing the purchase is the start of managing the loan, rather than the end of the financial decision.

Common questions

Can a new business get a commercial property loan?

Some lenders consider new businesses, but evidence and security requirements differ. NatWest says new businesses may apply subject to its assessment. Ask whether your proposed case is within a provider's criteria before committing to valuation or legal costs.

How long does a commercial mortgage take?

There is no reliable universal completion time. Underwriting, valuation access, title questions and offer conditions can all affect it. Ask for a case-specific timetable and avoid relying on a headline funding speed.

Can I apply without a broker?

Some lenders accept direct enquiries. A broker can help compare suitable providers, but ask about its lender coverage, fees and remuneration. Neither route guarantees acceptance.

Sources

Primary sources and further reading

Facts and status were checked against the following sources on 4 October 2026. External pages can change. Worked examples use the assumptions stated alongside them.

  1. 1.NatWest — commercial mortgages and deposit guidance
  2. 2.NatWest — applying for a commercial mortgage
  3. 3.British Business Bank — financing a commercial property purchase
  4. 4.Companies House — registering a company charge

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