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The UK's guarantor and joint mortgage specialists

With a little help from your family, a guarantor or joint borrower mortgage could help you borrow more so you can afford the home you want to buy. 

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Guarantor mortgages

Guarantor mortgages can help you buy your dream home sooner. By adding a family member to your mortgage application you can increase the amount you could borrow, or increase your deposit size.

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The low down on guarantor mortgages

  • What is a guarantor mortgage?

    Guarantor mortgages are a way for a parent or relative to support your mortgage application, by guaranteeing that they will pay the mortgage if you weren't able to. This can help you to increase your buying budget, get you on the ladder if you can't save a deposit, or help you buy if your credit score is low.

  • What options are available?

    A guarantor can use their property as security, use their income as support, or use cash savings as security. Our Deposit Boost and Income Boost products are modern twists on these more traditional options.

  • Am I eligible for a guarantor mortgage?

    When applying for a guarantor mortgage, you'll need someone who is willing to help you get on the property ladder (at Tembo we call them a Booster). You and your Booster will also need to pass affordability requirements, as well as both having good credit scores.

How it works

A step by step guide


With an Income Boost, you could borrow up to £173,000 That means with Tembo, you could aim for a home worth £183,000.

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With an Deposit Boost, you could borrow up to £323,000 That means with Tembo, you could aim for a home worth £333,000.

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Guarantor mortgages can be complicated. Our advisors are experts.

Book a call with one of our guarantor experts. They can offer advice on how much more you could borrow with a guarantor, whether you would be eligible, and how a guarantor mortgage could work for your specific situation. And, don't worry, all initial advice is completely free.

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An Income Boost meant Grace could buy in her local area

With support from her Uncle, Grace got into a place of her own with an Income Boost mortgage.

Read Grace's story

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“Our experience of Tembo has been amazing! Their website is so easy to use, we were able to set up our initial appointments within a couple of days, and everyone we have spoken to has been so helpful, friendly and knowledgeable.”




“My experience with Tembo has been great, they were the only broker who could get me the mortgage I was looking for.”