Guarantor Mortgage Calculator UK

A guarantor mortgage allows a family member (usually a parent) to support your mortgage application. The guarantor agrees to cover payments if you default. This can increase your borrowing power by combining incomes or providing additional security through their property or savings.

Joint Borrower Sole Proprietor means the guarantor is on the mortgage but not on the property title. This avoids the 3% stamp duty surcharge on second homes. Its ideal for parents helping children buy without triggering additional stamp duty or affecting their own main residence status.

With a guarantor, lenders may use combined incomes at 4-4.5x multiple. If you earn 30,000 and your guarantor earns 50,000, you could potentially borrow up to 360,000 (4.5 x 80,000) compared to 135,000 on your own. The guarantors existing commitments are also considered.

The guarantor is legally liable if you cannot make payments. They may need to make payments, have their savings held, or in worst cases their property could be at risk. Guarantors should get independent legal advice. The guarantee typically ends when sufficient equity is built or the mortgage is refinanced.

Yes, once you have built sufficient equity (usually 20%+) and can demonstrate affordability on your own, you can remortgage without the guarantor. Some products automatically release the guarantor after a set period. Family springboard products typically return the familys savings after 3-5 years.