Let-to-buy mortgage advice

Keeping your current home and buying another?

Let-to-buy can be a useful route if you want to move home but keep your existing property as a rental. It can also be more complex than a standard move, because two mortgages, rental income and affordability all need to line up.

Two mortgagesReview the current home and onward purchase together.
Rental assessmentUnderstand how lenders may assess the existing property.
Deposit planningCheck whether equity can support the next move.
Timing supportCoordinate the rental switch, purchase and completion route.
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Your current homeCan it work as a rental property and support a buy-to-let mortgage?
2
Your next purchaseCan you afford the new residential mortgage alongside the let property?
3
The timingCan both parts of the move be arranged in the right order?
Why let-to-buy needs planning

You are not just moving home. You are becoming a landlord too.

A let-to-buy case usually involves switching or refinancing your current home onto a buy-to-let basis while arranging a new residential mortgage for the property you want to live in. The equity, deposit, rent, affordability and completion timing all need to be considered together.

Done properly, let-to-buy can give you options. Done without planning, it can create avoidable delays and affordability problems.

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Current property review

We check the estimated value, current mortgage balance, equity, rental potential and whether the property could fit buy-to-let criteria.

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Rental income assessment

Lenders will usually assess whether the expected rent is enough to support the buy-to-let mortgage calculation.

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Onward purchase planning

We review the new residential mortgage, deposit route and affordability for the property you want to buy.

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Two processes linked

The existing property and new purchase need to work together, so the case is reviewed as one joined-up plan.

How we approach let-to-buy

A clear route across both properties.

Let-to-buy can quickly become confusing because there are two sides to the case. We break it down into the current property, the new property and the timing between both.

1

Review your current home

We look at the property value, outstanding mortgage, equity position and expected rental income.

2

Check the rental route

We assess whether the current home may meet buy-to-let lender requirements and rental calculations.

3

Review the onward purchase

We check the new residential mortgage, deposit, income, affordability and lender fit for your next home.

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Coordinate the timing

If both sides work, we help manage the application route and lender questions through to completion.

What lenders may look at

Let-to-buy is often decided by the details.

A lender may be comfortable with one side of the case but not the other. That is why the current mortgage, rental income, new purchase and affordability all need checking before you rely on let-to-buy as a moving strategy.

Your let-to-buy review can include:

Current property value
Current mortgage balance and lender
Expected monthly rental income
Equity available for the next purchase
Onward purchase price and deposit requirement
Your income, commitments and affordability
Whether consent to let or full buy-to-let is needed
Buildings insurance, landlord cover and protection review
Common reasons clients explore let-to-buy

It can solve a moving problem, but it needs the right setup.

Let-to-buy is often used when selling the current property is not the preferred route, or when keeping it as a rental supports longer-term plans.

KEEP

You want to keep your current property

You may see the existing home as a long-term rental or investment rather than selling it now.

MOVE

You want to move without selling first

Letting the property may help you move sooner, subject to the mortgage, rental and affordability position.

EQ

You need equity for the next deposit

Some clients explore whether releasing equity from the current home could help fund the onward purchase.

BTL

You are becoming a landlord

Let-to-buy means you are taking on landlord responsibilities, so the insurance, tax and legal position need considering too.

Consent to let or buy-to-let?

The right route depends on your plans and your lender.

Some homeowners ask whether they can simply get permission from their current lender to let the property. Others need a full buy-to-let mortgage. The right route depends on your lender, how long you plan to let the property, the mortgage balance, rental income and the onward purchase.

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Consent to let

Your existing lender may allow you to let the property temporarily, but this is not guaranteed and may come with conditions or additional cost.

BTL

Buy-to-let mortgage

A full buy-to-let remortgage may be needed where the property is being kept as a rental on a longer-term basis.

NEW

New residential mortgage

The lender for your new home will still need to assess your income, commitments and how the existing property is treated.

LAW

Tax and legal advice

You should take separate tax and legal advice before becoming a landlord or changing how a property is used.

Before you apply

It helps to prepare both sides of the case.

Let-to-buy can move more smoothly when the key details are ready early. These are the types of things we may ask for when reviewing your options.

Current mortgage statement or balance
Estimated current property value
Expected rental income or letting agent estimate
Details of your onward purchase
Deposit available and whether equity release is needed
Income evidence and monthly commitments
Reason for keeping the current property
Timescales for letting, purchase and completion
Let-to-buy FAQs

Questions homeowners often ask us.

What is let-to-buy?

Let-to-buy usually means letting out your current home and buying another property to live in. It often involves arranging a buy-to-let mortgage or consent to let on the existing property, alongside a new residential mortgage for the next home.

Is let-to-buy the same as buy-to-let?

No. Buy-to-let usually refers to purchasing or owning a rental property. Let-to-buy is when you let your current home so you can buy a new residential property to live in.

Can I keep my current home and buy another?

Possibly, but it depends on the equity in your current home, expected rental income, your affordability for the new mortgage, lender criteria and how the existing mortgage is handled.

Can I use rental income from my current home for affordability?

Some lenders may consider the rental position, but the approach varies. The expected rent, rental stress test, existing mortgage and your personal income can all affect the outcome.

Do I need consent to let?

If you want to let a property that currently has a residential mortgage, you will usually need permission from your lender or may need to switch to a suitable buy-to-let mortgage. This depends on your lender and plans.

Can I release equity from my current home?

Possibly, depending on the property value, mortgage balance, rental income, lender criteria and affordability. This should be reviewed carefully before relying on it for your onward deposit.

Do I need landlord insurance?

If you let the property, standard residential home insurance may no longer be suitable. You should arrange appropriate landlord or buildings cover before letting the property.

Should I get tax advice before let-to-buy?

Yes. Becoming a landlord can affect your tax position. We can help with the mortgage route, but you should seek independent tax advice before deciding whether to keep and let your current property.

Thinking of keeping your current home?

Speak to City Mortgage Solutions before you commit, so both sides of the move are reviewed together.

Important information: Your home or property may be repossessed if you do not keep up repayments on your mortgage. Many buy-to-let mortgages are not regulated by the Financial Conduct Authority. Some consumer buy-to-let cases may be treated differently. Mortgage advice is subject to your individual circumstances, rental assessment and lender criteria. Tax treatment depends on individual circumstances and may change; seek independent tax advice where required. Buildings and landlord insurance are general insurance products.