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Bakery & Baked TreatsDelivers to Glastonbury

Birthday Cakes for Glastonbury Delivery

Hand-picked by our editorial team·Updated 8 July 2026·6 products, checked in stock hourly

We set out to find birthday cakes that actually travel well to Glastonbury and arrive in proper condition—no squashed sponge, no wilted icing. What we discovered is that letterbox cakes have genuinely transformed gift-giving: they're sturdy enough for the post, beautiful enough to skip wrapping, and they mean the recipient gets to taste something genuinely handmade rather than supermarket-standard. The bakers we've tracked down all take their sponge seriously.

Whether you're sending a cake across the Levels to a friend in town or posting one further afield, these are the sort of makers who won't let distance get in the way of a proper birthday moment. You'll find cakes here that suit different tastes and occasions, all designed to survive the journey and arrive as something worth celebrating.

Our 6 picks

Ranked — our favourite first.
1
A birthday letterbox cake with simple icing and minimal decoration

Birthday Letterbox Cake

The Boutique Cupcake Company

A straightforward birthday cake in letterbox format—the kind that gets to the point without fuss. Clean presentation, solid sponge, and it posts easily without the usual anxiety about whether it'll make it.

2
A diamond-shaped letterbox cake with neutral icing suitable for any age

Any Age Diamond Letterbox Cake

bakerdays

The clever bit here is that you don't need to know the age in advance. A diamond-shaped design means it works for any birthday, so if you're ordering last-minute or want to send something that suits whenever it arrives, this sidesteps the whole guessing game.

3
A letterbox cake decorated with pressed flowers and botanical detail

Birthday Flower Garden Letterbox Cake

bakerdays

A notch more ambitious than basic: this one comes dressed up with a floral design, so it lands looking like someone took proper time over it. Works well if you want the cake itself to be the gift, rather than something that needs extra wrapping or presentation.

4
A birthday cake gift decorated and studded with assorted sweets and confectionery

Birthday Sweetie Cake Gift

Lollylish

This one breaks the letterbox mould entirely—a proper cake gift adorned with sweets and treats. It's the kind of thing that appeals if you're sending to someone with a bit of a sweet tooth and want something that feels more abundant than a standard post-friendly cake.

5
A letterbox cake with 'Happy Birthday' message iced on top

Happy Birthday Letterbox Cake

bakerdays

The phrase 'Happy Birthday' is baked right into this one, removing any ambiguity about what it's for. Simple messaging, but it means there's no room for misinterpretation—useful if you're sending to someone who likes things direct and fuss-free.

6
A soft pink letterbox cake with delicate blossom decoration

Pink Blossom Letterbox Cake

bakerdays

Pink blossom keeps things gentle without straying into novelty territory. If you're sending to someone who appreciates a bit of colour and decoration but isn't after anything too theatrical, this one sits in that sweet middle ground. The colour comes through intact when it arrives too, which matters more than you'd think with postal cakes.