## The mechanics of commercial property VAT bridging
When purchasing UK commercial property, buyers often encounter a 20% VAT charge. This happens if the building is under three years old or if the seller has opted to tax the property under [HMRC VAT Notice 742A](https://www.gov.uk/guidance/opting-to-tax-land-and-buildings-notice-742a) to recover input VAT, transferring the VAT burden to the buyer.
Paying this 20% upfront erodes liquidity, locking up capital that could fund refurbishments. A VAT bridging loan solves this by advancing up to 100% of the VAT directly to your solicitor. The loan is secured against the HMRC refund rather than requiring a first charge on the property.
## Typical rates and HMRC timelines
Underwriting focuses on your VAT registration status and transaction paperwork rather than standard valuation metrics, in line with [HMRC VAT Notice 742](https://www.gov.uk/guidance/vat-on-land-and-property-notice-742).
* **Loan terms:** 2 to 4 months.
* **Monthly interest:** 1% to 1.5%.
* **Arrangement fees:** 1% to 2% of the loan.
* **Exit mechanism:** Once you submit your return, HMRC typically issues refunds within 30 days, which are paid directly to the lender.
## Worked example for a commercial acquisition
To understand the true cost of using a VAT bridging loan, consider an investor purchasing a commercial unit with an agreed purchase price of £500,000 where the seller has opted to tax.
* **Purchase price:** £500,000
* **VAT due at 20%:** £100,000
* **VAT loan required:** £100,000
* **Arrangement fee (1%):** £1,000
* **Monthly interest rate:** 1%
* **Expected HMRC refund timeline:** 3 months
The monthly interest is £1,000. Over a 3-month term, the total interest equals £3,000. Combined with the £1,000 arrangement fee, the total cost of finance is £4,000.
By spending £4,000 in finance costs, the investor preserves £100,000 in working capital on day one. This protected capital can be deployed into a Buy, Refurbish, Refinance schedule to push the Gross Development Value higher, generating a return that easily absorbs the £4,000 cost of the bridge.
## Common mistakes
### Mismanaging the HMRC reclaim timeline
Interest accrues monthly, meaning any administrative drag directly penalises the borrower. If your accountant delays submitting the VAT return, or if minor reporting errors trigger an HMRC manual review, a projected 60-day refund can easily stretch to 120 days. This directly increases your rolled-up interest costs and reduces the ultimate cash return upon settlement.
### Applying without an active VAT registration
Lenders will not approve the facility if your Special Purpose Vehicle or operating company is not already VAT registered. Applying for registration at the last minute risks severe deal delays. Registering your entity properly before looking for commercial finance is a foundational requirement.
### Underestimating fixed legal fees
While the arrangement fee is usually structured as a percentage of the loan, lenders also charge fixed documentation and legal fees. For smaller commercial purchases, these fixed setup costs represent a disproportionately high percentage of the loan balance. Always calculate the total cost of capital and compare it against your projected yield before committing to the facility.