2025 1oz Gold Britannia Bullion Coin

2025 1oz Gold Britannia | King Charles III | 999.9 Fine Gold | CGT Free

The 2025 1oz Gold Britannia is one of the UK's most trusted gold investment coins, struck by The Royal Mint in 999.9 fine 24-carat gold containing one full troy ounce of pure gold. The 2025 release features the official coinage portrait of King Charles III by Martin Jennings on the obverse and Philip Nathan's iconic Britannia on the reverse, enhanced by four advanced visual security features unique to modern Britannia bullion. As UK legal tender (£100 face value), it is CGT-free for UK residents and VAT-free as qualifying investment gold.

999 Bullion is a trusted Hatton Garden gold dealer serving buyers across London and the wider UK. Whether you're based in Islington, Camden, Westminster, Kensington, or further afield, we offer fully insured delivery nationwide and collection from our Hatton Garden showroom.

Coin Specifications

• Year: 2025
• Country of Issue: United Kingdom
• Mint: The Royal Mint
• Series: Britannia
• Monarch: King Charles III
• Obverse Designer: Martin Jennings
• Reverse Designer: Philip Nathan
• Metal: 999.9 Fine Gold (24 Carat)
• Pure Gold Content: 1 Troy Ounce (31.1035g)
• Diameter: 32.69mm
• Face Value: £100 (UK Legal Tender)
• Quality: Bullion
• Security Features: Latent Image, Surface Animation, Micro-text, Tincture Lines
• VAT Status: VAT-Free Investment Gold
• CGT Status: CGT-Free for UK Residents — see our CGT-free guide

• ✔ Every coin guaranteed genuine — professional XRF testing
• ✔ Trusted Hatton Garden precious metals dealer established 1982
• ✔ Fully insured delivery — see Shipping Policy
• ✔ Verified customer reviews
• ✔ Buy Back Guarantee
• ✔ Check live gold prices on our Today's Prices page

Four Advanced Security Features

• Latent Image — switches between a padlock and Britannia's trident when tilted
• Surface Animation — wave patterns create the appearance of movement as the coin rotates
• Micro-text — "DECUS ET TUTAMEN" inscription provides an additional security layer
• Tincture Lines — detailed line patterns represent the Union flag colours on Britannia's shield

Why Choose the 2025 Gold Britannia?

• 1 troy oz of 999.9 fine gold — VAT-free investment gold
• CGT-free for UK investors as legal tender
• King Charles III first portrait series — numismatic significance
• Four advanced Royal Mint security features
• Royal Mint quality — world-renowned British bullion
• Highly liquid — globally recognised 1oz gold coin
• Buy Back Guarantee — sell back to 999 Bullion at competitive market rates

Frequently Asked Questions

Is the 2025 Gold Britannia CGT exempt?

Yes. As UK legal tender with a £100 face value, the 2025 Gold Britannia is Capital Gains Tax (CGT) exempt for UK residents under current HMRC rules. See our CGT-free coins guide for full details.

How much gold is in the 2025 Gold Britannia?

The 2025 Gold Britannia contains 1 full troy ounce (31.1035g) of 999.9 fine gold — 24-carat gold at 99.99% purity.

What security features does the 2025 Britannia have?

The 2025 Gold Britannia includes four advanced anti-counterfeiting features: a latent image (padlock/trident), surface animation (wave effect), micro-text (DECUS ET TUTAMEN), and tincture lines on Britannia's shield. These make it one of the most secure bullion coins available.

What is the difference between the Gold Britannia and Gold Sovereign?

The Gold Britannia contains 1 troy oz of 999.9 fine 24-carat gold, while the Gold Sovereign contains 7.32g of 22-carat gold. Both are CGT-free UK legal tender. The Britannia offers more gold per coin; the Sovereign is smaller and more affordable. Read our full Britannia vs Sovereign guide.

Where can I buy Gold Britannias in London?

You can purchase the 2025 Gold Britannia online with fully insured delivery, or collect in person from our Hatton Garden showroom. We serve customers across London including Camden, Islington, Hackney, Southwark, Wandsworth, and beyond.

Does 999 Bullion offer a buy-back on this coin?

Yes. 999 Bullion offers a Buy Back Guarantee on all coins purchased from us. We will buy back your coin at competitive market rates. Get an instant quote here.

How is the coin delivered?

All orders are dispatched with secure, fully insured UK delivery. Coins are carefully packaged to ensure safe arrival.

Also Consider

• 2017 1oz Gold Britannia (30th Anniversary)
• 2021 ½oz Gold Britannia (CGT-Free)
• Best Value Mixed Year Gold Sovereign (CGT-Free)
• Best Value 1oz Gold Bar (.9999 Fine)

Related Guides

• Britannia vs Sovereign: Which Is Best?
• CGT-Free Gold Coins in the UK
• Best Gold Coins for UK Investors
• Gold Coins vs Gold Bars
• How to Invest in Gold for Beginners
• How to Verify a Gold Coin Is Genuine