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Popular options include private rooms in bars and restaurants, rooftop terraces, boutique function rooms, creative studios, private dining spaces, and unique venues like galleries or boats, all offering flexible layouts and catering.
Expect minimum spends from £500–£2,500 or venue hire from £300–£1,200, depending on location, day of the week, catering inclusions, and whether you choose BYOB, set menus, or full bar service.
For weekend dates and peak months (May–September and December), book 6–10 weeks in advance. Midweek dates and off-peak months often have better availability within 3–5 weeks.
Some venues allow BYOB or external catering with corkage fees, while others require in-house catering. Always confirm policies and costs during enquiry to avoid surprises.
Yes—many bars, clubs, and private rooms in central London have late licences extending to 1am–4am. Confirm finish times, noise policies, and security requirements when booking.
Try our AI-powered venue search for personalised recommendations.
London offers an exceptional range of birthday party venues perfect for 40 guests, combining intimacy with atmosphere for milestone celebrations and gatherings with close friends and family. EventCage connects party planners with private dining rooms, exclusive bars, rooftop terraces, creative studios, boutique function rooms, and unique spaces—all featuring flexible catering options, entertainment facilities, BYOB policies, late licences, and central locations across the capital. Whether celebrating a milestone 18th, 21st, 30th, 40th, 50th, or simply bringing loved ones together, venues for 40 guests deliver the perfect balance of affordability, atmosphere, and memorable experiences with transparent pricing and easy booking.
Select the ideal space based on your celebration style and budget:
Choosing a birthday party venue for 40 guests in London means balancing atmosphere, affordability, and convenience. EventCage's curated listings let you filter by location, minimum spend, catering options, entertainment facilities, and late licences, ensuring your milestone 30th, 40th, 50th, or special celebration is seamless, memorable, and stress-free for everyone.
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