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Both the Gold Sovereign and the Gold Britannia are UK legal tender gold coins produced by the Royal Mint, exempt from capital gains tax and VAT. The difference is in size, purity, price point, and how each fits into a buying strategy.
This guide sets out the comparison directly. If you have already decided to buy CGT-free gold coins and are choosing between these two, this is the decision framework.
Quick comparison
| Gold Sovereign (Full) | Gold Britannia (1oz) | |
|---|---|---|
| Fine gold content | 0.2354oz | 1.000oz |
| Purity | 916.7 (22ct) | 999.9 (24ct) |
| Total weight | 7.98g | 31.21g |
| Face value | £1 | £100 |
| CGT | Exempt | Exempt |
| VAT | Exempt | Exempt |
| Approx. price (March 2026) | ~£940 | ~£3,940 |
| Typical dealer premium | 3–6% | 3–5% |
| International recognition | Very high | Moderate |
| Secondary market liquidity | Very high | High |
1. Price and entry cost
What does each cost?
A Full Sovereign runs roughly £900–£970 at current prices; a 1oz Britannia approximately £3,900–£3,990. Both move directly with the gold spot price.
Why it matters
The Sovereign’s lower per-unit price makes it easier to make regular purchases, hold multiple coins for divisibility, or adjust your position without committing to a full ounce at a time.
If you have a lump sum to invest, both options work. If you are drip-feeding purchases monthly, Sovereigns are usually more practical.
What to be aware of
Half Sovereigns cost roughly half a Full Sovereign but carry a higher premium as a percentage of gold content. If the lower entry price is the attraction, check that the premium drag does not offset the convenience.
Who this suits
Buyers making regular purchases in smaller amounts typically find Sovereigns more practical. Buyers investing a lump sum and wanting a clean whole-ounce position often prefer Britannias.
2. CGT and tax treatment
Are both fully CGT-free?
Yes. Both are UK legal tender under the Coinage Act 1971 and exempt from CGT under Section 21(1)(b) of the Taxation of Chargeable Gains Act 1992. There is no cap on the gain. No reporting is required.
Why it matters
This is the most important feature both coins share, and the main reason to choose either over gold bars.
What to be aware of
The CGT exemption applies to Sovereigns minted from 1837 onwards and to Britannias from 1987. Pre-1837 Sovereigns are not legal tender and do not qualify.
Who this suits
UK taxpayers with capital gains above the annual CGT-free allowance (£3,000 in 2026/27) benefit most from this exemption. For investors in lower tax bands or with large annual allowances available, the CGT benefit is less significant.
3. Purity and alloy
What is the difference?
The Sovereign is 916.7 fine (22-carat) - a gold-copper alloy. The Britannia (post-2013) is 999.9 fine (24-carat pure gold).
Why it matters
For most investment buyers, it does not matter much. What matters is gold content in ounces, not fineness. A dealer will buy both back at the same percentage of spot for their respective gold content.
What to be aware of
24-carat gold is softer and more prone to surface marks. Sovereigns are harder-wearing in handling. For long-term storage this is unlikely to affect value, but proof or collector coins in 24-carat are more susceptible to damage.
Who this suits
The purity difference is relevant mainly for investors who may want to use the gold in non-UK markets, where some buyers specify 24-carat only. For standard UK dealer buyback, both purities are accepted without question.
4. International recognisability
Which is more widely recognised?
The Sovereign. It has been traded continuously for over 200 years and is immediately recognisable to dealers in most countries. The Britannia is well-known in the UK and Europe, less familiar elsewhere.
Why it matters
If you are likely to sell outside the UK, or want the assurance that the coin will be accepted by dealers globally without question, the Sovereign has the longer track record.
What to be aware of
In practice, if you are a UK-based investor who will sell to a UK dealer, this distinction is academic. All major UK dealers buy both readily.
Who this suits
Buyers who travel internationally, live overseas for extended periods, or want the widest possible global resale options may prefer Sovereigns. UK-based investors with no international plans will find both equally liquid domestically.
5. Which year to buy?
Does the year matter?
For most buyers, no. Standard bullion-date Sovereigns and Britannias from recent years trade at the same premium regardless of year. A few Sovereign dates carry numismatic premiums - the 1925 is common and sometimes priced at a discount; certain Victorian dates attract modest collector interest. Britannias have fewer numismatic variables.
What to be aware of
Avoid paying a numismatic premium unless you are specifically buying for a collector market and understand resale liquidity. Most investment buyers are better served by current-year or recent-year bullion coins at standard premiums.
Decision table
| Your situation | Better option |
|---|---|
| Regular monthly purchases, smaller amounts | Sovereign |
| Lump sum, clean whole-ounce position | Britannia |
| Maximum international recognisability | Sovereign |
| Building up over time with flexibility to sell individual units | Sovereign |
| Tracking gold price in ounces cleanly | Britannia |
| Gifting a single coin | Either - Sovereign for smaller value, Britannia for a full ounce |
| Pre-owned / reduced premium purchase | Sovereign (wider pre-owned market) |
Tax and regulation
Both coins are VAT-exempt and CGT-exempt as described above. Neither is FCA-regulated as an investment product - and UK AML rules apply to dealers, so expect ID checks for purchases above approximately £5,000.
This guide contains factual information only and does not constitute financial or tax advice.
How people usually decide
Most UK gold investors end up holding both. Sovereigns for the monthly accumulation, Britannias when they want to add a whole ounce in a single purchase. Compare current prices across dealers with the best-deal tool.
If forced to choose one, most buyers start with Sovereigns - the lower price point, better divisibility, and very high global liquidity give them a slight edge as an all-purpose choice. The Britannia wins for investors who find whole-ounce tracking cleaner and are committing larger sums at once.
Frequently asked questions
Is one more liquid than the other? Both are highly liquid in the UK market. Sovereigns have a marginally broader secondary market globally, but for UK sales the difference is negligible. Every major dealer will buy both.
Which has a better buyback price? Comparable. Most dealers pay 97–99% of melt value for standard bullion dates of either coin. There is no consistent advantage for either in the UK dealer market.
Can I buy both in the same portfolio? Yes - and many investors do. There is no tax or regulatory reason to hold only one type.
What about Half Britannias or fractional Britannias? Fractional Britannias (half, quarter, tenth ounce) exist and are CGT-free, but carry higher percentage premiums over spot. The same trade-off applies as with Half Sovereigns - useful for gifting or smaller purchases, expensive per gram of gold.