Coins
Gold Sovereign & Britannia Values: What UK Bullion Coins Are Worth (2026)
If you've inherited a few gold coins, or you're thinking of buying some, the good news is that Sovereigns and Britannias are among the easiest precious-metal items to value and sell in Britain. Unlike a tangle of scrap jewellery, these are recognised bullion coins with known weights and purities, and they command a much higher share of their metal value when you sell. Better still, they carry a tax advantage that bars and foreign coins simply don't. Here's what they're worth and why they behave so differently from scrap.
The Sovereign and half-Sovereign
The gold Sovereign is the classic British coin. It weighs 7.98 grams and is struck in 22 carat gold, which works out to roughly 7.32 grams of pure gold once you account for the copper alloy. To estimate its bullion value, take the gold spot price per troy ounce, divide by 31.1035 to get the per-gram figure, and multiply by 7.32. That gives you the melt value of the gold inside a full Sovereign.
The half-Sovereign is exactly what it sounds like: half the gold content, so a little over 3.6 grams pure, and you halve the sum accordingly. Both have been minted for well over a century, so a jar of "old gold coins" in the UK is very often Sovereigns. You can run the current spot through our tools from the gold calculator to get a live estimate before you talk to any buyer.
The Britannia
The gold Britannia is the modern bullion coin. The standard one-ounce Britannia contains a full troy ounce of gold and, unlike the Sovereign, it's struck in 24 carat, so it's essentially pure gold. That makes its bullion value beautifully simple: it tracks the gold spot price for one ounce, near enough. Fractional sizes exist too, including half-ounce, quarter-ounce and tenth-ounce coins, each carrying the matching fraction of an ounce of pure gold.
Because a Britannia is pure and its weight is standardised, buyers can verify and price it in seconds, which is part of why these coins sell so close to spot.
Why bullion coins sell near spot, not at a scrap discount
This is the heart of it. When you sell scrap gold, the dealer has to test it, then melt and refine it, and those costs come out of your payout, which is why scrap fetches a percentage of melt rather than the full figure. Sovereigns and Britannias skip almost all of that. They're recognised the world over, their weight and purity are known, and a dealer can verify one quickly without destroying it. There's nothing to refine, because the coin is already a trusted, tradeable unit.
The result is that bullion coins typically sell for well above 90% of their gold value, far more than scrap, and sometimes at a small premium over spot when demand is strong. If you want to see how big that gap can be, our guide comparing a pawnbroker, a dealer and online buyers shows why where you sell matters as much as what you sell.
A Sovereign is not scrap. Treat it like scrap and hand it to a cash-for-gold counter, and you may leave a real chunk of its value on the table.
The tax advantage: legal tender means CGT-exempt
Here's a genuine edge that Sovereigns and Britannias have over gold bars and foreign coins like Krugerrands. Because they're UK legal tender, gains on them are exempt from Capital Gains Tax. If a coin's value rises and you sell at a profit, that profit isn't subject to CGT the way a gold bar's would be. For anyone holding a meaningful quantity, that exemption can be worth a great deal, and it's a strong reason to favour British legal-tender coins over bars when you're buying to hold.
This isn't tax advice and your own circumstances matter, so check the current rules or speak to a professional before acting. If you're weighing up how much you can realise without a tax bill, our piece on how much gold you can sell without tax in the UK goes into the detail.
Bullion value versus numismatic value
Most Sovereigns and Britannias are worth their gold content plus a modest premium, and that's the figure you estimate from spot. But some are worth considerably more to collectors because of a scarce date, a low mintage, a proof finish or exceptional condition. This numismatic value has nothing to do with metal weight. If your coin looks unusually crisp, has an odd date, or came in presentation packaging, get it looked at by a coin specialist before you sell it as bullion.
When you do sell, go to a reputable bullion or coin dealer rather than a general scrap merchant. Bullion specialists compete on tight margins over spot and understand exactly what a Sovereign or Britannia is, whereas a scrap counter is set up to buy metal by weight and may not pay you for the coin's real worth. Verify the current spot, get an estimate from the calculator, check for anything collectable, and only then take your coins to a buyer who prices bullion for a living. Do that, and these coins will reward you far more generously than the scrap in the same drawer.
All figures are estimates of melt value, never offers. Not financial or tax advice.