Buy-to-Let Mortgages explained

Caz Blake-Symes • August 15, 2019

Book a free consultation with one of our Expert Mortgage Advisers

Buy-to-let (BTL) mortgages

Buy-to-let (BTL) mortgages are for landlords who want to buy property to rent it out. The rules around buy-to-let mortgages are similar to those around regular mortgages, but there are some key differences. Read on for more information about how they work, how to get one and what mistakes to avoid.

Who can get a buy-to-let mortgage?

You can get a buy-to-let mortgage under the following circumstances:


  • You want to invest in houses or flats.
  • You can afford to take and understand the risks of investing in property.
  • You already own your own home, whether outright or with an outstanding mortgage.
  • You have a good credit record and aren’t stretched too much on your other borrowings, for example, credit cards.
  • You earn £25,000+ a year. If you earn less than this, you might struggle to get a lender to approve your buy-to-let mortgage
  • You are under a certain age. Lenders have upper age limits, typically between 70 or 75. This is the oldest you can be when the mortgage ends not when it starts. For example, if you’re 45 when you take out a 25-year mortgage it will finish when you’re 70.

Buy-to-let mortgages are a lot like ordinary mortgages, but with some key differences:


  • The fees tend to be much higher.
  • Interest rates on buy-to-let mortgages are usually higher.
  • The minimum deposit for a buy-to-let mortgage is usually 25% of the property’s value (although it can vary between 20-40%).
  • Most BTL mortgages are interest-only.
  • Most BTL mortgage lending is not regulated by the Financial Conduct Authority (FCA). There are exceptions, for example, if you wish to let the property to a close family member (e.g. spouse, civil partner, child, grandparent, parent or sibling). These are often referred to as a consumer buy to let mortgages and are assessed according to the same strict affordability rules as a residential mortgage
  • Advising, arranging, lending and administering BTL mortgages for consumers is covered under the same laws as residential mortgages and is regulated by the Financial Conduct Authority (FCA)

How much you can you borrow for buy-to-let mortgages?

The maximum you can borrow is linked to the amount of rental income you expect to receive.

Lenders typically need the rental income to be 25–30% higher than your mortgage payment.

To find out what your rent might be, talk to local letting agents, or check the local press and online to find out how much similar properties are rented for.

Where to get a buy-to-let mortgage?

Most of the big banks and some specialist lenders offer BTL mortgages. It’s a good idea to talk to a mortgage broker before you take out a buy-to-let mortgage, as they will help you choose the most suitable deal for you. We have years of experience working with lenders from a first-time investor through to those owning large portfolios.

Plan for times when there’s no rent coming in


  • Don’t assume your property will always have tenants.
  • There will almost certainly be ‘voids’ when the property is unoccupied, or rent isn’t paid and you’ll need to have a financial ‘cushion’ to meet your mortgage payments.
  • When you do have rent coming in, use some of it to top up your savings account.
  • You might also need savings for major repair bills. For example, the boiler might break down, or there might be a blocked drain.

Don’t rely on selling the property to repay the mortgage


  • Unless you have never owned a property, Stamp Duty Land Tax (SDLT) for buy to let properties is an extra 3% on top of the current SDLT rate bands for properties above £40,000.
  • Don’t fall into the trap of assuming you’ll be able to sell the property to repay the mortgage.
  • If house prices fall, you might not be able to sell for as much as you had hoped.
  • If this happens, you’ll be left to make up the difference on the mortgage.

Buy-to-let and tax

Capital Gains Tax

If you’re a basic rate taxpayer, CGT on buy to let second property’s is charged at 18% and if you’re a higher or additional rate tax payer it’s charged at 28%. With other assets, the basic-rate of CGT is 10%, and the higher-rate is 20%.

If you sell your buy-to-let property for profit, you will usually pay CGT if your gain is higher than the annual threshold of £12,000 (for the 2019/20 tax year). Couples who jointly own assets can combine this allowance, potentially allowing a gain of £24,000 (2019/20) to be made in the current tax year.

You can reduce your CGT bill by offsetting costs like Stamp Duty, Solicitor and Estate agent fees or losses made on a sale of a buy to let property in a previous tax year by deducting these from any capital gain.

Any gain from the sale of your property, should be declared on your Self-Assessment tax return for that tax year and will be included when working out your tax status for the year which push you into a higher bracket. Income Tax

The income you receive as rent is liable for income tax. This should be declared on your Self-Assessment tax return for the tax year it was earned in.

This might be taxed at 20%, 40% or 45%, depending on your income tax band.

You can offset your rental income against certain allowable expenses, for example, letting agent fees, property maintenance and Council Tax.

Mortgage Interest Tax Relief

The rules around mortgage interest tax relief are changing. This will mean relief for finance costs on residential properties will be restricted to the basic rate of Income Tax.

Finance costs includes mortgage interest, interest on loans to buy furnishings and fees incurred when taking out or repaying mortgages or loans. No relief is available for capital repayments of a mortgage or loan.

Previously, you were able to deduct all of this interest on your mortgage from your rental income before tax was paid.

The amount of your interest payments you’re able to deduct is being reduced by 25% a year until 2020 and being replaced by a 20% tax credit for the entire amount.

Contact Us for Expert Advice on all your BTL requirements

Bristol Mortgages Online www.bristolmortgagesonline.com Tel 0117 325 1511

Bath Mortgages Online www.bathmortgagesonline.comTel 01225 584 888

Exeter Mortgages Online www.exetermortgagesonline.com Tel 01392 690 888

Email info@swmortgages.com

#bristolmortgagebroker

#mortgageadvice

#independentbroker

#btlmortgage

#buytolet

#mortgagebroker

#bathmortgagebroker

#greatmortgage

#lowinterestmortgage

#fixedratemortgage

#expertmortgageadvice

#freeconsultation

#remortgage

#firsttimebuyer

#greatbuytoletdeals

#fivestarservice

#highlyrecommended

#topmortgagebroker



By Caz Blake-Symes April 15, 2025
The body content of your post goes here. To edit this text, click on it and delete this default text and start typing your own or paste your own from a different source.
Stamp duty information
By Caz Blake-Symes April 10, 2025
There have been some important changes to the legislation regarding Stamp Duty Land Tax with effect from 1 April 2025.
Time to remortgage
By Caz Blake-Symes March 31, 2025
This edition includes fantastic new mortgage products, updated guides for those with adverse credit, 17 great tips to follow before making and application and lots more. If you need help with any of the items covered, please call Phil on 0117 325 1511.
By Caz Blake-Symes March 22, 2025
Let us help you If you have a poor credit score or issues with your credit history.Call Phil on 0117 3251511 to discuss any credit uissues.
By Caz Blake-Symes March 18, 2025
The housing market is resilient, supported by faster growth in average earnings. There are the most homes for sale in 7 years, which will keep price inflation in check. But are buyers missing opportunities in the flats market?
Buyers Guide for mortgage tips
By Caz Blake-Symes March 11, 2025
Here at Bristol, Bath and Exeter Mortgages Online, we understand that getting your first mortgage, or even a remortgage, especially if your circumstances have changed, may look like an impossible task, but we are here to help. We hold your hand from your initial enquiry through to the completion of your purchase. It's not that tricky and there are ways you can improve your odds and boost your chances of a successful mortgage application.
Bath Building Society poster
By Caz Blake-Symes March 8, 2025
We are delighted to be able to offer our clients an incredible mortgage deal through Bath Building Society. Bath Building Society is currently offering market-leading discounted mortgage products designed to provide flexibility and great rates.
By Caz Blake-Symes February 27, 2025
Check out our February 2025 Newsletter!
By Caz Blake-Symes February 19, 2025
Adapted from BBC Article by Kevin Peachey, Cost of living correspondent 13 February 2025 Two major lenders launched mortgage deals on Thursday with interest rates of less than 4%, as competition picks up in the sector. The prospect of further cuts in the base rate by the Bank of England has given mortgage providers confidence to reduce their own rates. But the attention-grabbing sub-4% deals by Santander and Barclays will not be available to all borrowers, particularly first-time buyers, and may come with a hefty fee. The return of such deals might prompt other lenders to follow suit after a period of tepid competition. Nationwide, the UK's biggest building society, has said it will reduce some of its rates on Friday. Mortgage deals with interest rates below 4% have not been seen since November. Across the whole market the average rate on a two-year fixed deal is 5.48%. The typical rate on five-year deals is 5.29%, according to latest figures from Moneyfacts. Time to decide Some tracker and variable rate mortgages move fairly closely in line with the Bank's base rate, which was cut to 4.5% a week ago. However, more than eight in 10 mortgage customers have fixed-rate deals. The interest rate on this kind of mortgage does not change until the deal expires, usually after two or five years, and a new one is chosen to replace it. About 800,000 fixed-rate mortgages, currently with an interest rate of 3% or below, are expected to expire every year, on average, until the end of 2027. That means a higher monthly bill for many homeowners on their next renewal, but there are signs that the rate they could pay is on its way down.  Bank of England governor Andrew Bailey said the interest-rate setting committee expected to be able to cut rates further "but we will have to judge meeting by meeting, how far and how fast". This will affect savers who are seeing lower returns, but could bring better news for borrowers. The Bank's next rates decision is on 20 March. Message from Phil Clark “Regardless of whether you are a First-time Buyer, Looking to move, remortgage or invest in property, there are a huge range of competitive mortgage deals on the market. I will be delighted to discuss your specific requirements and offer you the most suitable deal!” Please call Phil on 0117 3251511 or email info@swmortgages.com For more information about Mortgage and Protection please visit www.bristolmortgagesonline.com
By Caz Blake-Symes February 9, 2025
The Bank of England has announced that it will reduce the Base Rate by 0.25%, taking it to 4.5%, in the first decision of the year. Base Rate was held at 4.75% in December after two cuts in 2024.
Show More