What interest rate does the Dudley Building Society 18 Month Fixed Rate Bond Online pay?

The Dudley Building Society 18 Month Fixed Rate Bond Online pays 4.20% AER, fixed for 18 months.

How much interest could I earn?

Saving £10,000 for 18 months would earn about £637 at 4.20% AER. This assumes the rate stays the same and interest stays in the account.

How much can I pay in?

You can deposit at least £1,000 and up to £1,000,000.

Can I withdraw my money?

No. Your money is locked in until the fixed term ends, so only put in what you won't need before then.

When is interest paid?

You can choose to have interest paid on each anniversary of opening or at the end of the term.

Who can open this account?

New and existing Dudley Building Society customers can open it. You can open it online.

Is my money protected?

Yes. Eligible deposits are protected by the Financial Services Compensation Scheme (FSCS) up to £120,000 per person, per banking licence.

How does it compare with other 18-month fixed rate bonds?

At 4.20% AER it ranks 12th of 15 18-month fixed rate bonds we track. The best pays 5.12% and the average is 4.62%.

Dudley Building Society 18 Month Fixed Rate Bond Online Review: 4.20% AER (Oct 2026)

Protection

FSCS£120,000

Min balance

£1,000

Max balance

£1,000,000

Access

At maturity only

Interest paid

Anniversary/On maturity

How It Stacks Up

Ranks 12th of 15

18-month fixed bonds we track

Below average

This account 4.20%

UK CPI (Aug 2026): 3.10%; Pays 1.10% more
Average 18-month fixed: 4.62%; Pays 0.42% less
Best 18-month fixed: 5.12%; Pays 0.92% less

Inflation: ONS. Averages and best rates: accounts on DepositScout.

Compare fixed bonds

A Good Fit For

Pro: New and existing savers

Worth Weighing Up

Con: Your money is locked in for 18 months
Con: You need at least £1,000 to open it

Good to Know

At the end of the 18 month term, you can invest in another account with the Society or withdraw your money. Prior to your account maturing, we will provide you with details of other accounts available. If you do not tell us what you would like to do with the funds, your funds will be transferred into the default maturity account that is available at the time of maturity, but you may not receive the same interest rate. No further deposits may be made during the term once the initial investment has been made.

Please verify all details with the provider – see our Disclaimer

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Estimated returns with Dudley Building Society's Fixed Rate

What you could earn with Dudley Building Society's 18 Month Fixed Rate Bond Online.

Estimated interest

£1,000 saved

£63.66

At 4.2% AER

£5,000 saved

£318

At 4.2% AER

£10,000 saved

£637

At 4.2% AER

£1,000,000 saved

£63,657

At 4.2% AER

Estimated over the 18-month term, if the rate stays the same and interest is left in. Amounts outside the account's minimum or maximum aren't shown.

Dudley Building Society 18 Month Fixed Rate Bond Online Review

How It Stacks Up

A Good Fit For

Worth Weighing Up

Good to Know

Estimated returns with Dudley Building Society's Fixed Rate

Our Expert Opinion on Dudley Building Society 18 Month Fixed Rate Bond Online

2 alternatives to Dudley Building Society's 18 Month Fixed Rate Bond Online3 alternatives to Dudley Building Society's 18 Month Fixed Rate Bond Online

Common questions about the 18 Month Fixed Rate Bond Online

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