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A clear UK comparison of secured vs unsecured business loans — what each one means, the differences in security, speed, rates, terms and risk, and how to decide which is right for your SME. Plus the most common “is a small business loan secured or unsecured?” questions answered.
Compare my options →A secured business loan is backed by a tangible asset that the lender can repossess and sell if the loan defaults. The most common UK security is commercial property, but lenders also take charges over plant and machinery, equipment, vehicles and even debtor books.
An unsecured business loan isn’t tied to a specific asset. Lenders underwrite affordability from your trading history, turnover and credit profile. Most UK unsecured business loans still require a director’s personal guarantee — a contractual promise to repay personally if the company can’t — which is different from secured lending. See our dedicated guide on unsecured loans without a PG.
| Secured business loan | Unsecured business loan | |
|---|---|---|
| Security | Charge over property, equipment or other tangible assets | No specific asset pledged — usually a director PG only |
| Typical loan size | £25,000 – £5m+ (asset value driven) | £5,000 – £500,000 |
| Typical APR (UK 2026) | ~5%–12% APR (lower lender risk) | ~6%–25% APR (risk priced) |
| Term length | 1 – 25 years | 3 months – 5 years |
| Speed to funds | 2–6 weeks (valuations + legals) | 24–48 hours typical |
| Documentation | Property valuation, debenture, charge filed at Companies House | Bank statements + filed accounts |
| Eligibility | Limited Co + suitable assets to pledge | Ltd, sole trader or partnership; trading history + affordability |
| Risk to assets | Pledged asset(s) at risk if default | No specific asset at risk — PG enforcement is the limit |
| Best for | Largest loans, longest terms, lowest rates | Speed, asset‑light businesses, working capital |
Three quick filters help narrow the right answer for most UK SMEs.
If you own commercial property, valuable plant or specialist equipment that the company doesn’t need to liquidate, secured lending opens up cheaper, longer‑term funding. If your business is asset‑light (services, e‑commerce, professional firms, hospitality without freehold), unsecured is the natural route.
If funds are needed within days — tax bill, urgent stock, opportunity to win a contract — unsecured wins. Secured lending takes weeks because of valuations and legal work.
Above £500k, or for terms longer than 5 years, secured lending tends to be more available and cheaper. Below £250k for 1–5 years, unsecured is usually faster and competitive on cost.
| Product | Secured / Unsecured? | Best for |
|---|---|---|
| Unsecured business loan | Unsecured (PG usual) | Speed, working capital, growth |
| Secured commercial loan / commercial mortgage | Secured (property) | Property purchase, refinance, large amounts |
| Asset finance / hire purchase | Secured (against the asset) | Vehicles, machinery, equipment |
| Invoice finance | Secured (against debtor book) | B2B businesses with credit‑terms customers |
| Merchant cash advance | Unsecured (against future card sales) | Hospitality, retail, card‑heavy SMEs |
| Bridging loan | Secured (property) | Short‑term property bridging |
| Revolving credit / business overdraft | Usually unsecured (PG) | Variable working capital needs |
Sarah needs £75,000 in 5 working days for a Black Friday inventory buy. She rents her warehouse and owns no commercial property. She’s been trading 4 years with healthy bank statements.
Right answer: unsecured business loan, ~10–13% APR, 36‑month term. A secured loan would take 6+ weeks she doesn’t have, and there’s no obvious asset to pledge.
Imran wants to borrow £500,000 over 10 years to buy a second freehold unit and a new CNC machine.
Right answer: a secured commercial loan against the existing freehold + asset finance for the CNC. Far cheaper over a 10‑year term than an unsecured loan would be (and unsecured wouldn’t go to 10 years).
It can be either. Most UK small business loans below £250k are unsecured because asset values often don’t justify formal security work. Larger small‑business loans, property‑backed loans and asset finance are typically secured.
For high‑street banks, default products under £250k are usually unsecured with a director PG. Asset‑backed and larger loans default to secured. Specialist non‑bank lenders run more unsecured products even for higher amounts.
UK business loans are available in both forms. The choice depends on amount, term, urgency, and what assets you can pledge. There’s no UK rule that all business loans are one or the other.
A secured loan is backed by a specific asset (property, equipment) the lender can sell on default. An unsecured loan isn’t — affordability is underwritten from trading history and credit. Unsecured loans usually still need a director PG.
Secured is usually cheaper because the lender carries less risk. Typical UK secured rates run ~5–12% APR; unsecured run ~6–25% APR. The trade‑off is speed and the asset at risk.
Yes — a PG isn’t a charge over a specific asset, it’s a contractual promise. The lender can pursue the director on default but doesn’t have automatic right to repossess specific personal property without further legal steps.
Generally no. Without assets to pledge, lenders effectively underwrite an unsecured loan instead. If you’re asset‑light, focus on the unsecured market — see our unsecured business loans pillar.
Yes — the lender registers a charge for the life of the loan. You generally can’t sell or refinance the pledged asset without lender consent and the loan being repaid or transferred.
Often yes, by refinancing. As your business grows and your trading profile strengthens, you may be able to refinance a secured loan onto unsecured terms to release the asset.
Some UK lenders offer partially secured loans — a lower charge on a specific asset combined with a director PG, sitting between fully secured and fully unsecured pricing. Useful when you have moderate but not large assets to pledge.
Every page below draws on the same UK lender panel — pick the guide closest to your situation and the same options apply.
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