Can I sell a rental property in negative equity?
Negative equity means the mortgage on a property is larger than the property is worth. To sell, the landlord must pay the shortfall or agree terms with the lender. In a portfolio sale, equity in other properties can often cover the gap.
Read more in our guide: Financial pressure and your portfolio
Options when a property is in negative equity
| Option | How it works |
|---|---|
| Pay the shortfall | Fund the gap from savings or other sale proceeds at completion |
| Portfolio sale | Sell with properties that have equity so the total covers all loans |
| Lender-agreed sale | Lender releases its charge and the shortfall becomes unsecured debt |
| Hold and wait | Keep letting if rent covers costs and the loan is not due |
How landlords end up in negative equity
The most common causes are buying near a peak, especially new-build flats bought at a premium, leasehold flats affected by cladding or rising service charges, and refinancing to release equity to a high loan to value. Interest-only loans never reduce the balance, so falling values can leave the debt above the price.
How a sale works
The lender's charge must be removed on completion. If the sale price will not repay it, you need to show your solicitor and the lender where the shortfall will come from before exchange. If you cannot cover it, some lenders will agree an assisted sale and accept the proceeds, leaving the remainder as an unsecured debt, but they are not obliged to.
Using the rest of the portfolio
For landlords with several properties, negative equity on one is often manageable. Selling it alongside properties with spare equity means the combined proceeds clear every loan. A single buyer for the whole portfolio also avoids the weaker property being left unsold. If the loans are cross-charged with one lender, a whole-portfolio sale may be the simplest route anyway.
The tax trap
Negative equity does not mean no tax. Capital Gains Tax compares the sale price with what you paid. A house bought for £80,000, remortgaged to £200,000 and sold for £190,000 shows a gain of about £110,000 before costs, even though the sale leaves a £10,000 shortfall. Plan for the tax before agreeing a sale. A real loss, where the sale price is below cost, can be claimed as a capital loss.
Official Sources and Further Reading
General information for landlords in England, checked against official sources in October 2026. It is not tax, legal or financial advice: speak to a qualified accountant or solicitor about your own circumstances.
Frequently Asked Questions
Negative equity means the mortgage on a property is larger than the property is worth. To sell, the landlord must pay the shortfall or agree terms with the lender. In a portfolio sale, equity in other properties can often cover the gap.
Not simply because of negative equity. Repossession follows missed payments or a loan that has expired. Talk to your lender early if either is likely.
Yes. An investor buyer takes on the tenancy, and you avoid void costs while you sell.
An unpaid shortfall that becomes a debt can affect your credit record. Agreeing a repayment plan with the lender limits the damage.
Thinking About Selling Your Portfolio?
Ask for a no-obligation portfolio appraisal, or call us to talk through your options in confidence.