Overpaying your mortgage is generally a good idea. In fact, it's possibly one of the best investments you can make.
And now could be a particularly good time to do it. Given the low rates available on cash savings, we think that paying extra to your mortgage is a very under-rated long-term savings plan, particularly if you are feeling wary of investing.
And with mortgage rates set to go higher - several mortgage providers have hiked their standard variable rates (SVRs) in recent weeks, and more are likely to follow - it's becoming even more attractive.
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Why mortgage rates are rising
Mortgage rates typically move in tandem with the Bank of England's base rate. So with the base rate unchanged at 0.5% for the last three years, why are mortgage rates going up now?
It's down to the way that mortgage providers are financing themselves. In recent weeks we've sung the praises of HSBC and Standard Chartered for their sensible finances.
These banks still stick to a basic rule of not lending more to borrowers than they take in from savers. Unfortunately, most UK mortgage providers aren't financed like this.
Have a look at the chart below. The purple shaded area shows the amount of lending to the UK private sector. The red shaded area represents the amount of deposits by private sector savers.
As you can see, there is a big gap between the two. This gap has to be filled somehow. Many banks and building societies have chosen to plug the gap with short-term wholesale finance from the international money markets.
The problem with this type of finance is that its availability and cost (the interest rate charged) moves about a lot. We saw this in 2007 when Northern Rock - which aggressively financed itself with wholesale finance - literally ran out of money as the financial crisis developed.
Nervousness about the eurozone and the health of the banking sector has seen interest rates on wholesale finance tick higher over the past year or so. This is bad news for mortgage providers - and for mortgage holders.
Bank & building society retail funding gap
Source: Bank of England
Mortgage providers are only too aware of this funding gap' and are trying to do something about it by raising more deposits from savers. But this has made the market for savers more competitive, particularly on products like fixed-term savings bonds and cash individual savings accounts (Isas).
So to entice savers, banks have to offer higher rates. This in turn again pushes up costs for banks and these costs are being passed on to borrowers in the form of higher mortgage rates.
This may seem like madness given that so many households are struggling to meet their monthly mortgage payments. It probably is, but banks can only cut so many costs.
Banks such as RBS and Lloyds have so many risky loans they need to boost profits in order to offset the potential losses from the loans that go bad. Whether this pushes more households over the edge remains to be seen.
What can you do about it? Pay off your mortgage earlier
One of the obvious responses to rising mortgage rates is to fix or cap your interest rate for a period of time. There are some good deals about.
For example, HSBC will lend at 1.89% above the Bank of England base rate for the term of your mortgage, or at 1.99% fixed for two years. The only drawbacks are that you need a deposit of 40% (or minimum loan-to-value of 60%) and have to pay arrangement fees of £1,499 and £999 respectively.
If you have some spare cash, an alternative is to overpay your mortgage. In fact, for many people, it probably makes more sense to prioritise repaying your mortgage over investing in a pension plan.
The returns from doing so are very compelling, and make mortgage overpayment a viable investment plan in its own right.
Have a look at the table below.
|Cheltenham & Gloucester||3.99%||5.00%||6.65%|
Source: company websites
What the table shows is the current SVRs of the major mortgage lenders and the equivalent pre-tax savings rates for 20% and 40% taxpayers. The great thing about overpaying your mortgage is that you don't pay tax on the interest savings. This is not the case for most savings accounts (except Isas).
As a rough rule of thumb, if your mortgage rate is higher than the after-tax rate you are earning on your savings, it makes sense to pay off your mortgage rather than have your money in a savings account.
Admittedly, Halifax's five-year fixed-rate cash Isa of 4.5% could be good value here (although you are limited to £5,640 per year from April). However, the interest advantage depends on mortgage rates not increasing for the next five years. If you don't want to take that risk, then the arithmetic of paying off your mortgage might help you decide.
The arithmetic of mortgage repayment
Let's say you take out a £200,000 repayment mortgage at 4% for 25 years. Your monthly payment will be £1,056. At this interest rate, you will repay £316,702 over 25 years.
If you decide to overpay by £100 per month (by paying £1,156 a year) and keep paying this amount, you would save nearly £18,000 of interest (tax free) and take just over three years off your mortgage term.
As you can see, the numbers become more attractive with bigger overpayments and higher interest rates.
|Years to repay||25y||21y 8m||19y||17y|
|Years to repay||£25||21y 7m||18y 11m||16y 10m|
This looks like a reasonable savings plan combined with the benefit of freeing up several years of spare cash. If you have the ability to make bigger lump sum payments, then the numbers are even more powerful.
For example, if you used your Isa allowance to make a capital repayment at the end of every year, a £200,000 mortgage at 4% interest could be paid off in 13 years, saving £64,211 in interest payments.
What to bear in mind before making over-payments
Can you afford to make extra payments? Don't overstretch yourself.
Pay off any expensive personal loan or credit card balances first.
Beware of repayment penalties, although these may still be worth paying if the interest savings are big enough.
Consider an offset mortgage to achieve similar benefits if you don't want to tie up money in your house.
Phil spent 13 years as an investment analyst for both stockbroking and fund management companies.
After graduating with a MSc in International Banking, Economics & Finance from Liverpool Business School in 1996, Phil went to work for BWD Rensburg, a Liverpool based investment manager. In 2001, he joined ABN AMRO as a transport analyst. After a brief spell as a food retail analyst, he spent five years with ABN's very successful UK Smaller Companies team where he covered engineering, transport and support services stocks.
In 2007, Phil joined Halbis Capital Management as a European equities analyst. He began writing for Moneyweek in 2010.
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