Bridging for Unmortgageable Properties: the deals banks won't touch
No kitchen. No bathroom. Short lease. Structural movement. Japanese knotweed. If a mortgage surveyor would run away, this page is for you. These are often the best-value deals on the market, and bridging is how they get bought.
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What makes a property unmortgageable
- No working kitchen or bathroom (auction classics)
- Lease under about 70 years
- Structural issues, subsidence history
- Non-standard construction
- Flats above commercial premises
- Knotweed and other lender-frighteners
Mortgage lenders need a property to be habitable and easy to sell on day one. Bridging lenders only need it to be worth the money and heading somewhere better, which is why a bridge works on properties a bank won't look at.
"Unmortgageable doesn't mean unbuyable. It means the buyer with bridging beats the buyer with a mortgage, usually on price, always on speed."
The strategy: buy, fix, refinance
The play is nearly always the same. Bridge the purchase, cure the defect, whether that's fitting the kitchen, extending the lease or fixing the roof, then refinance onto a normal mortgage at the improved value, or sell. The bridge is priced for months, not years, so the plan matters more than the rate.
The one thing we push clients to do before they buy: get the exit lined up early. If the plan is to refinance, an agreement in principle from a mortgage lender before you commit tells you the exit is real and not hopeful. It's a day of work that takes most of the risk out of the deal.
We're writing this one up: a property no high-street lender would touch.
See the case studies we have published →Our Step-by-Step Loan Process at Bridging Finance Broker
What makes a property unmortgageable?
Anything that stops a mainstream lender lending: no working kitchen or bathroom, a lease under about 70 years, structural problems, non-standard construction, some flats above shops, and things like Japanese knotweed. The property is usually fine to buy, it just needs the right funding while the problem gets fixed.
Can you buy an unmortgageable property with a bridging loan?
Yes, that's exactly what bridging is for. The lender secures against the property as it stands, you fix what makes it unmortgageable during the term, and you exit by refinancing at the improved value or selling. We pre-warn lenders about the defects so the valuation confirms what everyone already knows rather than springing a surprise at week three.
Can you get a mortgage on an uninhabitable house?
Not from a mainstream lender. No working kitchen or bathroom usually means no mortgage, full stop. Bridging fills the gap: it funds the purchase and the works, and once the property is habitable you refinance onto a normal mortgage.
How do you make an unmortgageable property mortgageable again?
Fix the thing the lender objected to. Fit the kitchen, extend the lease, sort the structural report, treat the knotweed with a guarantee. Once the defect is cured and evidenced, most properties refinance normally, usually at a better value than you paid.
Can I buy an unmortgageable property at auction?
Yes, and that's where most of them are sold. The 28-day completion deadline rules out a mortgage anyway, so bridging solves both problems at once. Have the finance lined up before you bid, not after.
Can I sell an unmortgageable house?
Yes, mostly to cash buyers and bridging-backed buyers, often at auction, and usually below what it would fetch fixed. That discount is exactly why buyers with bridging chase these properties, and if you're on the buying side of that trade, we can fund it.
What LTV can I get on an unmortgageable property?
Usually a touch lower than a standard bridge, commonly around 60% to 70% of the current value, and it's case by case. The condition of the property and the strength of your exit move the number more than anything else.
Can I get a bridging loan on a property with a short lease?
Yes. A common play is to bridge the purchase, extend the lease during the term, and let the uplift in value fund the exit refinance. The lease extension is the fix, the same as fitting a kitchen would be.
Got a deal like this on your desk?
Tell us the numbers and we'll tell you honestly what's achievable.
Prefer to put it in writing? Email support@bridgingfinancebroker.co.uk