Landlords - Restriction of Tax Relief on Interest

Published on: 13/12/2016

If you are a buy to let landlord, you will have been able to claim full tax relief on interest and other borrowing costs. However, this is being restricted to basic rate tax relief.  The process starts in April 2017 and is being phased in over three years:

2017/18 – 25% restriction

2018/19 – 50% restriction

2019/20 – 75% restriction

2020/21 – 100% restriction

This affects mortgage interest, loan interest and the cost of any products when a mortgage or loan is first taken out.

The best way to illustrate this is by way of an example.  David is a buy to let landlord and has several properties.  He receives £60,000 in rent after all running costs but before mortgage interest.  His mortgage interest is £34,000, which usually gives him a taxable profit of £26,000.  This is well below the higher rate tax threshold of £43,000, so he only pays standard rate income tax.

If we assume the same figures – income, personal allowances, and tax rates and tax bands - for the next four tax years, he will be unaffected by the changes in 2017/18 and 2018/19.  In 2017/18, the interest which is allowable for income tax purposes is £34,000 x 75% = £25,500.  This will give him an extra tax liability.  However, this is then reduced by a ‘tax reducer’ of the restriction at the normal tax rate – i.e. £8,500 x 20% = £1,700.  This gives him the same tax liability.  This is also the same story for 2018/19.

However, in 2019/20, the interest available for the initial tax relief doesn't stop David’s income going over the higher rate tax threshold, so some of his taxable income is taxed at 40%.  The tax reducer isn’t sufficient to cover this, so he has an extra tax bill (£1,700 extra for the 2019/20 tax year).  There is a similar scenario for 2020/21.

The following table shows the full picture of how the restriction can increase your tax liability:

16/17 17/18 18/19 19/20 20/21
£ £ £ £ £
Rent 60,000 60,000 60,000 60,000 60,000
Interest 34,000 34,000 25,500 17,000 8,500 0
Profit 26,000 34,500 43,000 51,500 60,000
Tax calculation
Profit 26,000 34,500 43,000 51,500 60,000
Personal allowance 11,000 11,000 11,000 11,000 11,000
Taxable 15,000 23,500 32,000 40,500 49,000
@ 20% 15,000 23,500 32,000 32,000 32,000
@ 40% 0 0 0 8,500 17,000
Total tax 3,000 4,700 6,400 9,800 13,200
Less tax reducer 34,000 1,700 3,400 5,100 6,800
Tax bill 3,000 3,000 3,000 4,700 6,400

As you can see, David's tax liability more than doubles as the tax relief on interest is restricted.  NB this scenario covered someone who only had buy to let income, but it can, of course, affect anyone who has buy to let income as part of their taxable income and has mortgage interest as a deduction.

Comment

Buy to let investments have become a viable alternative to a pension for many individuals.  This latest attack on landlords will create a real problem.  It may even mean that landlords who make a loss will end up paying tax.  If you are a buy to let landlord and need help understanding how the changes may affect you, please do not hesitate to get in touch.

Further information from HMRC is available here.

Please note: posts were written at a specific time and reflect the rules in place at that time, which may no longer be relevant. Furthermore, the posts are generic in nature. We cannot accept any responsibility for any losses in respect of actions taken on the strength of this generic advice. We would advise you to seek up to date advice which is relevant to your circumstances.
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