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How to change your home insurance policy


Whether you're having an extension or buying a new surround sound system, it's best to check the ins and outs before amending your policy.

Hands holding a toy house

Most people set up their home insurance policy, then forget about it. They might remember it once a year at renewal, and if they’re sensible, they will then shop around for a cheaper quote.

But once they have set up a household buildings or contents policy, most people don’t look too closely at how much cover they have, and whether it still meets their needs.

Keep your policy up-to-date

If your circumstances change, you need to change your home insurance policy as well. The changes might seem relatively minor to you, but they might be important to your insurance company.

For example, if you set up a business from home which you're running from one of your spare rooms, your insurer will need to know.

They will have set up your policy on a domestic basis and may need to adjust the cover slightly to change it to cover you running a small business from home, especially if you have any expensive equipment.

Alternatively, if you're adding a conservatory or building an extension you'll need to let your insurer know, especially if the extension is to add an extra bedroom.

Many contents policies operate on a “bedroom-rated” basis. 

They ask how many bedrooms your house has, then either offer you unlimited cover, or set a standard limit on the amount you are insured for, say, £40,000.

Making a significant change like that is likely to have increased the rebuilding costs of your property, so again, your insurer needs to know and you may have to pay a slightly higher premium.

No limits

A blue and white vintage vase

There are plenty of other reasons why you might need to update details with your insurer.

You may have just spent thousands of pounds on some fancy new home entertainment system. You will certainly want your insurer to protect them, but it won’t automatically do so.

Even if you have unlimited contents cover, tell your insurer if you have bought any expensive one-off items.

Many policies have relatively low “single item” limits, typically no more than £1,500, so it's important to check this.

If your new plasma screen TV, antique vase or gold necklace is worth more than that, you'll need to tell your insurer to get it covered by your home insurance policy.

Again, you might have to pay a higher premium.

Get the correct cover

Maybe you’ve realised that you have under-insured your household contents. It's important that your insurer has the correct figure.

If you insure your contents for £25,000, but when you claim your insurer discovers they were worth £50,000, you may only receive half of any losses.

So if you claim for £2,000, you might get just £1,000.

Buildings insurance covers the cost of rebuilding cost of your home – not its market value.

If you haven’t remortgaged or moved house for years, this figure might be out of date, leaving you dangerously under-insured.

You can work today’s rebuilding costs using an online calculator from the Association of British Insurers. If the updated figure is different to the one on your policy, again, your insurer needs to know.

You should also contact your insurer if you have changed your address, marital status or occupation.

Making changes to your policy

A laptop submitting a file

Your first step is pretty straightforward: contact your insurance company.

Some insurers might allow you to amend your household insurance policy online, which may be fine for relatively simple changes.

If you need to make more complex changes to your policy, it may be wiser to ring your insurer instead.

For simple changes, there is unlikely to be any charge. If the amount of insurance cover you need increases, you can expect your premium to rise.

But don’t use this as an excuse to avoid updating your policy, it could backfire if you have to make a claim, and the insurer discovers the truth. It might reduce your payout, or reject it altogether.

Once you have amended your policy, your insurer will send you new documentation. They should also send you details of your new premium.


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