Cash Isa deals of the week 29 May 2015Top savings rates of the week

29 May 2015

Gold Piggy

Which? Money provides our weekly round-up of the best deals on the market to help you invest your cash Isa allowance for 2015/2016.

Cash Isa allowance for 2015/2016

Each year you can deposit your savings into a cash or a stocks and shares Isa, or both. The overall limit for the new tax year of 2015/2016 (for both cash and stocks and shares) is £15,240.

In his 2015 Budget, Chancellor George Osborne announced that savers will be able to take out and put money back into their cash Isa without it counting towards their annual tax-free Isa entitlement for that tax year. These changes will be introduced in autumn 2015.

To maximise your tax-free allowance, remember to save in a cash Isa before putting your money in an ordinary taxable savings account.

Here, we take a look at some of the best cash Isa rates in the market. For the Best Rate cash Isas, we've also included a link to the Which? Money Compare tables where you can find out more details.

Best Rate cash Isas

We have excluded Isas with certain qualifying conditions and restrictions on withdrawals.

Instant-access cash Isa 

The top rate to meet our criteria is from Punjab National Bank, offering 2.00%. Click here to find out more about this Isa. 

The instant-access Isa from National Savings & Investments (NS&I) is next, paying 1.50%. 

Notice cash Isa

Notice cash Isa accounts used to pay a higher rate for locking up your money, but at the moment there aren't any notice account Isas paying more than the top instant-access cash Isa rate.

Dudley Building Society offers the top rate in our notice cash Isa table, at 1.50%, but you'll need to give around a month's notice to get at your cash. Click here for more information about this Isa. 

Beverley BS is next, paying 1.30%.

One-year fixed-rate cash Isa

Currently topping the one-year fixed rate cash Isa tables are Al Rayan Bank and Punjab National Bank, both with rates of 1.90%. However, the rate from Al Rayan Bank is an 'expected profit rate' from its Sharia compliant investments, so returns are not guaranteed. 

With Punjab National Bank, accounts must be opened in branch. Click here for more information about this Isa. 

Two-year fixed-rate cash Isa

Punjab National Bank tops this table with a 2.15% rate. Click here for more information about this Isa. 

Kent Reliance offers the next best rate that isn't tied to other products, paying 1.85%.

Three-year fixed-rate cash Isa 

Punjab National Bank also offers the best rate in our table in this category, paying 2.30%. Click here to find out more about this Isa. 

Metro Bank offers the next best rate of 2.00%.

Four-year fixed-rate cash Isa 

Punjab National Bank's 4-year cash Isa tops this table, paying 2.50%. Click here to find out more about this Isa.

Coventry Building Society's 4 Year Fixed Isa offers the next best rate of 2.30%, and you only need a deposit of £1 to open it.  

Five-year fixed-rate cash Isa 

Punjab National Bank's rate of 2.70% comes top of our five-year fixed rate tables. More information can be found here.

United Trust Bank offers the next best rate, paying 2.30%. 

Which? Money Compare table: Fixed-term cash Isas - compare hundreds of deals

Help to Buy Isa - First-time buyers

This autumn will see the launch of a new Help to Buy Isa, designed to help would-be first-time buyers save a deposit for their first home.

You can't contribute to a cash Isa in the same tax year as a Help to Buy Isa. Therefore, if you will want to open a Help to Buy Isa in the 2015/2016 tax year, make sure you don't add any money to a cash Isa in this tax year. 

The Which? Money Compare tables let you search hundreds of savings accounts and cash Isa deals from providers large and small so that you can find a great home for your nest egg. We also combine this with our unique customer scores that show you how well the provider you pick will treat you in the long run.

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Which? Limited is an Introducer Appointed Representative of Which? Financial Services Limited, which is authorised and regulated by the Financial Conduct Authority (FRN 527029). Which? Mortgage Advisers and Which? Money Compare are trading names of Which? Financial Services Limited.