AUCTION PURCHASE TO REFINANCE EXAMPLE: HOW THENUMBERS WORK

The Scenario

An experienced investor identified an auction property requiring renovation. The investment
strategy was: acquire quickly via auction, renovate, and refinance into a buy-to-let mortgage.
This case study breaks down the actual numbers.

Property Details

  • Auction hammer price: £185,000
  • Property type: Two-bed terraced house
  • Condition: Requires cosmetic renovation (kitchen, bathrooms)
  • Location: Hazel Grove, Stockport
  • Post-renovation value estimate: £225,000

Step 1: Acquisition Costs (Week 1-2)

  • Hammer price: £185,000
  • Buyers premium (4%): £7,400
  • Auction finance arrangement: £1,850 (1%)
  • Legal fees: £750
  • Valuation: £500

Total acquisition costs: £196,500

Step 2: Bridging Finance Arrangements

  • Bridging loan: £185,000 (100% of hammer price)
  • Loan-to-value: 100%
  • Interest rate: 1% monthly (12% annually)
  • Expected term: 8 months

Monthly interest cost: £1,850

Step 3: Renovation (Month 1-4)

  • Renovation budget: £25,000
  • New kitchen: £8,000
  • Bathrooms (2): £12,000
  • Flooring and decoration: £5,000

Post-renovation value: £225,000

Step 4: Tenant Arrangement (Month 4-5)

  • Property let at £750 monthly
  • 6-month AST established
  • Mortgage affordability now demonstrable

Step 5: Refinance to Buy-to-Let Mortgage (Month 6-8)

  • Buy-to-let mortgage value: £225,000
  • LTV: 75% (£168,750 mortgage)
  • Rate: 5.2% fixed 5-year
  • Monthly mortgage: £1,623
  • Bridging repaid from mortgage advance

Financial Outcome

Investment summary:

  • Initial outlay: £56,500 (deposit + costs + renovation)
  • Property value: £225,000
  • Mortgage owed: £168,750
  • Equity built: £56,250
  • Monthly rental income: £750
  • Rental coverage: 146% (covers mortgage plus costs)

Key Takeaways

  • Auction strategy works: Initial value increase from renovation supports buy-to-let
    refinance
  • Bridging bridges the gap: Allows rapid acquisition, renovation and tenant establishment
  • Refinancing saves money: Move from 12% bridging to 5.2% mortgage
  • Strategy works if planned properly: Timeline, costs and exit clearly mapped
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