
Monmouthshire Building Society is a member-owned mutual based in Newport, South Wales. They’ve been helping people save and buy homes since 1869, making them one of the longest-standing building societies in Wales. As a mutual, they’re owned by their members rather than shareholders, and your deposits are FSCS protected up to £120,000.
They offer savings accounts, ISAs, fixed-term bonds, and mortgages. Their branch and agency network covers South Wales, and they also have a mobile app for managing your accounts on the go.
You don’t need an existing account with Monmouthshire to open the Regular Saver. It’s available to new and existing customers, with just £1 needed to get started. You can open it via the MonBS app or by visiting a local branch.
The Monmouthshire Regular Saver pays 6% on up to £500 a month for 12 months. That’s around £65 more than you’d earn in a standard easy-access account on the same deposits.
You can withdraw or close your account at any time without notice. Just bear in mind that withdrawn money can’t be re-deposited if you’ve already hit the £500 monthly cap. The 6% rate is variable, so Monmouthshire can change it with 14 days notice. Interest is calculated daily and paid at the end of the 12-month term.
No existing account needed. Download the Monmouthshire Building Society app to apply, or visit a local branch. Make your deposits before the 25th of each calendar month to ensure they count.
Done? Tick off each step above to see your total.
Completed the offer? Awesome! Here's our full review on why Monmouthshire Building Society could work well for you going forward.
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A small Welsh mutual that's been doing the basics well for over 150 years, mostly known these days for a competitive regular saver. Quidsy lists the current Regular Saver as a quick win for anyone who can spare a bit each month. Best for slow-and-steady savers happy banking by app. Heads up: the rate is variable.
Founded
1869
157 years old
For the Regular Saver, yes, if you've got money you can drip-feed in each month. The 6.00% rate paired with the £500 monthly cap means you can put away the full £6,000 over the year and end up with about £6,194, which is a tidy bit more than you'd earn in most easy-access accounts at the same time. The £1 minimum and flexible withdrawals make it pretty low-commitment, so there's not much downside to giving it a go.
The main thing to keep in mind is the variable rate. 6.00% isn't locked in for the full 12 months and the society can drop it with 14 days' notice if the market shifts. Worth checking your account every couple of months to see whether the rate still beats what's available elsewhere.
Beyond that, it's a small Welsh mutual doing what mutuals are supposed to do: pay a competitive rate, treat members like members, and stay out of the FCA's bad books. If you like the idea of supporting a community-focused lender that's been around since the year Tolstoy finished War and Peace, it's an easy yes.
Authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority (Firm Reference Number 206052). Your deposits are protected by the Financial Services Compensation Scheme up to £120,000 per person, or £240,000 for joint accounts.