
Your 40th birthday is definitely a big deal to celebrate. And while planning a milestone birthday is exciting, the many choices can get overwhelming. Between the perfect venue, theme, entertainment and music, the planning process involves a lot of research and phone calls!
The best place to start is by thinking about what you genuinely enjoy and how you want to celebrate this special milestone. Whether it’s your favourite films, favourite music, board games, weaving personal touches (or even a bit of magic!) into the event helps create a celebration that feels truly yours. This is a great chance to spend time with your best friends, family, or loved ones and create lasting memories.
Here’s some party inspiration to make your 40th super memorable!

From a classic costume party to a thrilling murder mystery experience, choosing a theme that reflects your personality makes the occasion much more special.
Ask yourself what kind of theme suits your personal style – perhaps it’s a relaxed vintage afternoon tea or, if you’re the adventurous type, something that gets your creative juices flowing. You could even base your theme off your favourite era of music or fashion. For instance, if you love 1960s fashion, then your dress code, music and décor can be centred around everything ‘60s-themed! A good theme should also lend itself to enjoyable fun activities, such as a karaoke party, games night or professional magic to keep guests entertained.
Planning a memorable birthday bash doesn’t have to mean spending a whole lot. A potluck-style celebration, where your guests bring along their favourite snacks or dishes, is a simple way to keep catering costs down while adding a personal touch. DIY decorations, such as handmade décor or fairy lights, can create a warm atmosphere without a big budget. Choosing an affordable venue, like a cosy pub, favourite restaurant, or simply hosting at home also helps manage costs.
If you’re a fan of the outdoors or experiences, an adventurous birthday celebration can make the occasion truly memorable. A camping trip with friends and family members is a relaxed way to celebrate while enjoying the fresh air and good company. For a really thrilling experience, you might consider a hot air balloon ride or another unique local activity such as an escape room or themed attraction. During the summer months, outdoor activities make a big birthday bash extra special.
For a more relaxed way to celebrate your 40th birthday, focus on comfort and rejuvenation. Treat yourself to a spa day with massages, facials and other pampering treatments, or host an elegant tea party with delicious food and refreshing drinks. A private chef can also add a special touch, complete with a tailored menu and signature cocktails!
If you have a creative and artsy side, then a DIY-themed birthday party can be both fun and personal. Hosting a craft party where your guests make their own decorations or small keepsakes adds a hands-on element to the celebration. Creative classes, such as photography or painting, offer a relaxed way for close friends to try something new together, while baking or cooking sessions keep things interactive and sociable.
For a birthday celebration that truly stands out, consider these unique ideas:

After you narrow down your 40th birthday party ideas, you can get down to the nitty gritty!
From party decorations to your guestlist, here’s a handy guide to ensure your day goes smoothly.
1. Decorating the party venue
2. Creating a party menu
3. Sending out party invitations
4. Creating your guest list
We hope our 40th birthday party ideas and tips have made you excited to start planning!
For something extra special, why not book personalised and professional magic? Regardless of whether you’re celebrating low key at home or at a venue, located in London or Hertfordshire, Chris is happy to travel to you to elevate your milestone birthday and wow your guests.
If you’d like to find out more, fill in this form with your details or book a call so we can chat!