21st Birthday Cakes
26 results
Designed for the bold, the beautiful, and the birthday that deserves everything. Whether it’s a chic soirée or a full-on party, these cakes are all about making a statement.
Celebrate Big with a 21st Birthday Cake from The Hummingbird Bakery
Turning 21 Deserves Something Extra Special
Celebrate one of life’s biggest milestones with a handcrafted 21st birthday cake that’s just as unforgettable as the occasion itself. Whether you’re planning a party, sending a surprise or simply making a toast a little sweeter, our 21st birthday cakes are baked fresh to order in London using premium ingredients and traditional American-style recipes.
From bold and bright designs to elegant and understated options, you’ll find the perfect cake design for a 21st birthday right here.
Beautiful 21st Birthday Cake Designs
Need inspiration for 21st birthday cake ideas? Our cakes are crafted to look as amazing as they taste. Whether you’re searching for a minimalist buttercream finish or a colourful layer cake with eye-catching piping and sprinkles, our expert bakers have something for every celebration.
Explore:
Classic 21st birthday cake designs topped with gold touches or glittery numbers
Pretty 21st birthday cakes for females in pink, red velvet or pastel shades
Bold 21st birthday cakes for guys with chocolate, dark hues or rainbow surprises
Signature American-style flavours including chocolate 21st birthday cake, vanilla, carrot and more
Whether you're keeping it simple or going all out, you’ll find a cake that fits your vision.
Delicious Flavours to Match the Moment
Every 21st birthday celebration deserves a cake that everyone remembers, and we’ve got the flavours to make it happen. Choose from:
- Rich chocolate sponge with indulgent chocolate buttercream
- Fluffy vanilla cake with colourful sprinkles and sweet frosting
- Iconic red velvet with smooth cream cheese icing
- Bright rainbow layers with a surprise inside
All cakes are handmade to order by our London bakery team, with no artificial preservatives and lots of love in every layer.
Order Online for London Cake Delivery
Whether you’re nearby or planning from afar, it’s never been easier to order a 21st birthday cake online. Simply choose your design, pick your favourite flavour and select your ideal delivery date.
We offer fast and reliable cake delivery in London, so your birthday cake arrives fresh, fabulous and on time. Prefer to collect? Visit one of our London bakery locations to pick up your cake in person.
Looking for 21st birthday cakes near me? The Hummingbird Bakery has you covered with local options for both collection and delivery across London.
For Him, For Her, For Everyone
Whether it’s your best friend, sibling, partner or child, our cakes are crafted with care and personality.
Searching for:
A 21st birthday cake for him? Go bold with chocolate or dark buttercream finishes.
A feminine, pretty cake? Try one of our bestselling 21st birthday cakes for a female in pink or red velvet.
Something unique? Mix and match your favourite toppings and colours or add a special message.
No matter the style or recipient, our cakes make a statement and a memory.
Why Choose The Hummingbird Bakery?
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Handmade, artisan-style cakes
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Designed and baked fresh in London
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Wide variety of flavours and 21st birthday cake designs
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Easy online ordering and reliable London delivery
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Personalised cake toppers and messages available
Let’s Make Their 21st Sweet and Unforgettable
This is the celebration they’ll remember for years to come, so make it count with a showstopping cake from The Hummingbird Bakery. Browse our collection of birthday cakes for 21st birthdays, pick your favourite, and let us help you celebrate in delicious style.
Order your 21st birthday cake online today and we’ll handle the rest.