Sell Unsellable House
Sell an “Unsellable” House
Most “unsellable” houses are simply unmortgageable — short lease, subsidence, Japanese knotweed, non-standard construction, flooding history or cladding — which rules out ordinary buyers but not cash buyers and investors. They purchase as-is, factoring the issue into the offer, and complete in 7–28 days when a traditional sale simply can’t proceed. This guide explains why mortgage lenders refuse, what you’ll be offered, your legal duty to disclose, and how to get the strongest, safest price for a difficult home.
What is your property worth?
Get genuine offers from checked & vetted buyers.
- 7–28days, in any condition
- 75–85%of value, as-is
- No mortgageso the blocker disappears
- Any issuelease, knotweed, subsidence…
Why won’t it sell — and what now?
Five quick questions on the property and your timescale — then a clear recommendation and the safe way to act.
What’s holding the sale back?
Do buyers withdraw after the survey?
Is the issue quick or costly to fix?
How soon do you need to sell?
What matters most?
A cash buyer sidesteps exactly what’s blocking you.
If a lending blocker keeps collapsing your sale, a buyer who needs no mortgage is the clean way out — they buy as-is, price the issue in, and complete in 7–28 days. Compare several vetted offers so the issue doesn’t hand one buyer all the leverage.
Compare offers →You could fix the issue, or sell fast as-is.
Your problem may be solvable with time and money — a lease extension, treatment plan or repair — or you can take a fast, certain sale now. Get a valuation and a couple of genuine offers so you can weigh both honestly.
Get offers to compare →It may just need the right price and marketing.
If there’s no real lending blocker, re-pricing to the evidence and sharper marketing could sell it normally. Keep a vetted cash sale in reserve as a fallback. A free valuation tells you what’s realistic.
Get a free valuation →Why won’t it sell? Usually the mortgage
If buyers keep dropping out after the survey, the cause is normally a lender refusing to lend. Cash buyers don’t need a mortgage, so the blocker disappears. The most common culprits:
| Issue | Why lenders refuse |
|---|---|
| Lease under ~80 years | Falling value; needs extending (and “marriage value” bites under 80). |
| Subsidence / structural movement | Risk and remediation cost. |
| Japanese knotweed | Damage risk within range of the building. |
| Non-standard construction | Concrete, timber-frame, Cornish/Airey units. |
| Flood risk / history | Insurance and damage concerns. |
| Spray-foam roof insulation | Many lenders now decline. |
What you’ll be offered
The offer reflects the cost of fixing or living with the issue, but a genuine buyer still pays a fair, transparent figure — typically 75–85% of value — and comparing several keeps it honest. For a genuinely unmortgageable home this can be better than the open market, where there may be no proceedable buyer at all. See how offers are calculated.
- You receive 75–85% — fast, certain, fee-free, as-is
- Their slice — the fix, holding and resale risk
Disclose the issue — it’s the law
Whatever the problem — knotweed, subsidence, flooding — you must disclose it honestly on the property information form (TA6). Hiding it risks the sale collapsing or a later legal claim against you. A cash buyer who takes the property as-is removes any temptation to hide anything: they’ve already priced the issue in.
Common “unsellable” cases we help with
Getting the strongest, safest price
Even with a difficult home the rules don’t change: know the real value, get several vetted offers so they compete, check each for proof of funds, NAPB and TPO, and use your own solicitor. Comparison matters even more here, because a single buyer knows a problem home has few other options and will price accordingly.
Difficult homes are our speciality
Short lease, knotweed, subsidence or non-standard build — we put several checked & vetted cash offers side by side so the issue doesn’t hand one buyer all the leverage. Free, no obligation.
Compare offers for my home →Sell an “unsellable” house — issues and all
Several checked & vetted cash offers, side by side, in minutes. Free, no obligation, no fees.
Frequently asked questions
Straight answers, no sales talk
Can I sell a house with Japanese knotweed?
Yes. Knotweed usually blocks mortgage lending, so the practical buyers are cash purchasers and investors who price treatment into the offer and complete quickly. Disclose it honestly — it’s a legal requirement.
Can I sell a house with subsidence?
Yes, to a cash buyer or investor who can fund underpinning or repair. The offer reflects the work needed, but the sale can complete in weeks where the open market would fall through at survey.
Can I sell a non-standard construction house?
Yes. Concrete, timber-frame and designated-defective types (e.g. Cornish or Airey units) are hard to mortgage, so cash buyers and investors are the route. They buy as-is and complete fast.
My sale keeps falling through at survey — why?
Almost always because the buyer’s lender won’t lend on the property. A cash buyer needs no mortgage, so the issue that keeps collapsing your sale stops being a barrier.
