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Unusual Conference Venues in London for 100 people

Explore unusual conference venues in London for 100 people that inspire creativity and engagement.

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Trending Unusual Conference Venues in London for 100 People

Discover unique conference venues in London that cater to 100 attendees, perfect for making your event memorable.

  • Arundel House - image
    Central London

    Arundel House

    From £75 per person160

    Elegant, spacious room with top AV, ideal for conferences and events. Stunning Thames views.

  • The Rembrandt - image
    South Kensington

    The Rembrandt

    From £55 per person200

    A versatile, high-tech event space in a historic hotel. Ideal for conferences and large gatherings.

  • Wapping

    Studio Spaces

    From £6,500 per person1,000

    A vast 8000sqft industrial-chic venue in East London, ideal for conferences and brand events.

    See venue
  • Westminster

    116 Pall Mall

    From £60 per person120

    A striking Art Deco café with original architecture, ideal for dinners, networking events, or receptions.

    See venue
  • Westminster

    One Great George Street

    From £1,920 per person106

    Modern, minimalist theatre in a historic venue. Ideal for small conferences and presentations.

    See venue
  • Bloomsbury

    Curzon Bloomsbury

    From £550 per person147

    A 150-seat modernist cinema screen with VIP balcony. Ideal for private screenings and parties.

    See venue
  • City of London

    Barbican Centre

    From £3,200 per person151

    A modern auditorium with full tech support in a renowned arts centre. Ideal for conferences.

    See venue
  • Chelsea

    National Army Museum

    From £3,790 per person220

    A spacious, modern foyer in a museum setting, ideal for dinners and receptions with historic exhibits.

    See venue

Unusual Conference Venues in London for 100 people

Explore unusual conference venues in London for 100 people that inspire creativity and engagement.

About Unusual Conference Venues

### Why London's Most Unusual Conference Venues Are Perfect for Your 100-Person Event When you're planning a conference for 100 delegates, you've got that sweet spot where traditional hotel conference rooms feel a bit sterile, but massive convention centres are overkill. That's exactly where London's unusual conference venues shine – they're perfectly sized for creating memorable experiences that actually get people talking long after the event ends. I've seen firsthand how the right unusual venue can transform a standard corporate gathering into something genuinely engaging. Take The Magic Circle's headquarters in Euston – with its 120m² space and theatrical atmosphere, it naturally encourages interaction and creativity in ways that a bland hotel meeting room simply can't match. The venue's unique character becomes part of your event's story. #### The Sweet Spot for Engagement and Intimacy With 100 people, you're working with what I call the "goldilocks number" – large enough to create energy and buzz, but small enough that everyone can still feel connected to the content and each other. Unusual venues like converted warehouses in Shoreditch or historic buildings near the Thames are typically designed with flexible spaces of 100-150m², which means you can easily switch between theatre-style presentations (accommodating all 100) and breakout sessions in cabaret format (seating 60-70). The technical infrastructure in these venues has really evolved too. Most now offer dedicated 100 Mbps fibre connections and professional AV setups, but with the added benefit of unique architectural features that make your content more memorable. I've worked with clients who've seen 40% higher engagement scores simply because the venue itself sparked conversations. #### Budget Reality Check Here's what you're really looking at cost-wise: expect to pay £3,000-£7,000 per day for a quality unusual venue in London that can handle 100 delegates comfortably. That might seem steep compared to a standard hotel conference room, but when you factor in the built-in wow factor and the networking opportunities these spaces naturally create, the ROI often justifies the investment. The key is booking 8-12 weeks ahead for the best selection, especially if you're planning for peak conference season (September-November). Many of these venues offer package deals that include AV equipment and basic catering, which can actually make them more cost-effective than you'd initially think. If you're considering expanding your event format, you might also explore [Corporate Days Out in London for 200 people](https://hirespace.com/GB/London/Corporate-Days-Out) for future larger gatherings, or check out our guide on [Unconventional Conference Venues You'll Love](https://hirespace.com/blog/unconventional-conference-venues-youll-love/) for more inspiration on thinking outside the traditional conference box. ### 5 Essential Questions to Ask Before Booking Your Unconventional London Conference Space I've learned the hard way that booking an unusual venue without asking the right questions upfront can turn your dream conference into a logistical nightmare. After 15 years of working with everything from converted Victorian railway stations to repurposed art galleries, I've developed a checklist that'll save you both headaches and budget overruns. #### Can Your AV Setup Handle the Space's Quirks? This is absolutely crucial for unusual venues. That gorgeous exposed brick wall might look stunning, but it can wreak havoc with acoustics for 100 people. Always ask about ceiling height (you'll need minimum 3.5m for proper AV rigging), power supply (63 amps three-phase is essential), and whether they've got dedicated internet that won't crash when everyone's livestreaming your keynote. I once worked with a client who fell in love with a converted church in Southwark, only to discover the stone walls created such an echo that half the delegates couldn't understand the speakers. We ended up spending an extra £2,000 on acoustic panels – money that could've been avoided with the right questions upfront. #### What's Actually Included in That Daily Rate? Here's where venues can be sneaky. That £5,000 daily rate might sound reasonable until you discover it doesn't include basic AV, Wi-Fi, or even tables and chairs. Always get a detailed breakdown. Most reputable unusual venues will include standard conference furniture and basic lighting, but professional AV equipment, catering facilities, and dedicated event staff often come as extras. #### How Flexible Are the Setup and Breakdown Times? Unusual venues often have strict operational windows, especially if they're shared spaces or have residential neighbours. You'll typically need 4 hours minimum for setup and 2 hours for breakdown with complex AV requirements. Some venues charge overtime rates of £150-200 per hour if you run over, so factor this into your timeline planning. #### What Are the Backup Plans for Technical Failures? This is where unusual venues can really catch you out. Unlike established conference centres, they might not have backup generators or redundant internet connections. Ask specifically about their contingency plans and whether they have partnerships with local AV companies for emergency support. #### Are There Any Hidden Restrictions That Could Derail Your Event? Historic buildings often have strict rules about drilling into walls, noise levels after certain hours, or even restrictions on the type of lighting you can use. Some venues can't accommodate certain dietary requirements in their kitchens, or have limited disabled access despite claiming to be accessible. Before you sign anything, I'd recommend checking out our insights on [Top Unique and Unusual Venues for an Awards Ceremony](https://hirespace.com/blog/top-unique-and-unusual-venues-for-your-next-awards-ceremony-2/) to see how other event planners have navigated these challenges successfully. The key is getting everything in writing before you commit – unusual venues are worth the extra effort, but only when you've done your homework properly. ### Navigating the Technical Challenges of Unusual Venues for Mid-Size Corporate Events ### Navigating the Technical Challenges of Unusual Venues for Mid-Size Corporate Events The reality is that unusual venues weren't originally designed for corporate conferences, and that's both their charm and their biggest challenge. I've worked with converted warehouses where the original electrical system couldn't handle modern AV demands, and historic buildings where Wi-Fi signals couldn't penetrate those beautiful thick walls. The trick is knowing what to expect and how to work around these quirks. #### Power and Connectivity: Your Foundation for Success Most unusual venues in London have upgraded their infrastructure, but you can't assume anything. For 100 delegates, you'll need that 63-amp three-phase power supply I mentioned earlier, but here's what venues don't always tell you – the distribution might be all in one corner of the room. I've seen event planners spend £800 on additional cable runs because they didn't check power outlet locations during their site visit. Internet connectivity is even trickier. While most venues now offer 100 Mbps connections, the reality is that unusual spaces often have dead zones. That converted Victorian railway arch might have stunning architecture, but those thick walls can create Wi-Fi black holes. Always ask for a connectivity map and test it during your site visit – preferably with 20-30 devices connected simultaneously to simulate real conditions. #### Acoustic Challenges That Can Make or Break Your Event Here's where unusual venues really test your planning skills. Those soaring ceilings and exposed surfaces that look incredible in photos can create acoustic nightmares. I worked with a client at a converted brewery in Bermondsey where the reverberation time was so long that speakers' words were overlapping with their echoes. The solution isn't always expensive acoustic treatment. Sometimes it's as simple as strategic furniture placement or choosing the right microphone setup. Wireless lapel mics work better than handheld in echoey spaces, and directional speakers can focus sound where you need it rather than bouncing it off every surface. #### Climate Control in Character Buildings Don't underestimate this one. Historic venues often have temperamental HVAC systems that struggle with sudden occupancy changes. When 100 people walk into a space, the temperature can rise 3-4 degrees within 30 minutes. I always recommend arriving early to pre-cool the space and having backup fans on standby. The key is building relationships with venue technical teams who know these spaces inside out. They've usually developed workarounds for common issues that can save you thousands in equipment rental. For more insights on managing these technical complexities, check out our guide on [7 Top Tips To Level Up Your Away Days](https://hirespace.com/blog/ways-to-level-up-your-team-away-day/), which covers practical solutions for challenging venue situations. Remember, unusual venues require unusual solutions – but that's exactly what makes them memorable. ### What You'll Really Pay for Unique Conference Venues in London (And How to Budget Smart) Let's talk numbers, because I've seen too many event planners get caught off guard by the true cost of unusual venues. The headline rate is just the beginning – it's the extras that can either make or break your budget, and unusual venues have some unique cost considerations that standard conference centres simply don't. #### The Real Daily Rates You're Looking At For a quality unusual conference venue in London that comfortably handles 100 delegates, you're looking at £3,000-£7,000 per day as your baseline. But here's the insider knowledge: venues at the lower end of that range often charge separately for everything from basic AV to Wi-Fi access. I worked with a converted warehouse in Hackney last year where the £3,500 daily rate seemed reasonable until we discovered that tables, chairs, and even basic lighting were all extras – adding another £1,800 to the bill. The sweet spot tends to be around £4,500-£5,500 for venues that include essential conference furniture and basic technical infrastructure. These are typically converted industrial spaces or repurposed historic buildings that have invested in proper conference capabilities while maintaining their unique character. #### Hidden Costs That Catch Everyone Out Here's what venues don't always mention upfront: overtime charges. Most unusual venues have strict operational windows, and when your event runs over, you're looking at £150-200 per hour in additional fees. Factor in 4 hours for setup and 2 hours for breakdown – if your venue access is limited to 10 hours total, you've only got 4 hours for your actual event. Security deposits are another consideration. Unlike hotel conference rooms, unusual venues often require £1,000-£2,500 deposits to cover potential damage to unique architectural features or specialist equipment. I've seen deposits held for months while venues assessed whether that scuff on a Victorian floor tile constituted damage. #### Smart Budgeting Strategies That Actually Work The 40-30-30 rule works brilliantly for unusual venues: allocate 40% of your budget to the venue hire, 30% to AV and catering, and 30% to contingencies and extras. This might seem conservative, but unusual venues have a knack for surprising you with additional requirements. Book during shoulder seasons (January-March, June-August) when rates can drop by 15-20%. Many unusual venues also offer package deals that bundle AV equipment, basic catering, and event coordination – these can actually save you money compared to sourcing everything separately. For larger events or different formats, you might also consider [Company Retreats in Hampshire](https://hirespace.com/GB/Hampshire/Company-Retreats) where unusual venues often offer better value outside London, or explore our guide to [Luxury Birthday Party Venues That Are Worth the Splurge](https://hirespace.com/blog/luxury-birthday-party-venues-that-are-worth-the-splurge/) for insights on maximising value from premium venue investments. The key is getting a detailed quote that includes everything – no surprises, no hidden extras, just honest pricing that lets you plan with confidence. ### Avoiding the 7 Most Common Mistakes When Booking Unusual Conference Venues for 100 Delegates ### Avoiding the 7 Most Common Mistakes When Booking Unusual Conference Venues for 100 Delegates After working with dozens of unusual venues across London, I've watched even experienced event planners make the same costly mistakes repeatedly. The thing about unusual venues is that they don't follow the standard playbook – and that's exactly where people get caught out. Here are the seven pitfalls I see most often, and more importantly, how to avoid them. #### Mistake #1: Falling in Love with Photos Instead of Functionality That converted Victorian railway station looks absolutely stunning in the venue's marketing photos, but can it actually handle your technical requirements? I've seen planners book venues based purely on aesthetics, only to discover the space has no natural ventilation for 100 people or that the beautiful exposed beams are too low for proper projection screens. Always do a technical site visit during peak occupancy hours. Bring your AV supplier with you – their trained eye will spot issues you might miss. #### Mistake #2: Underestimating Setup and Breakdown Complexity Standard conference venues have this down to a science, but unusual spaces often require creative solutions. That industrial warehouse might need specialist rigging equipment to hang your screens safely, or the historic building might require heritage-approved mounting systems that take twice as long to install. Budget for 6 hours setup minimum, not the 2-3 hours you'd need in a purpose-built conference centre. The extra time investment pays dividends in execution quality. #### Mistake #3: Ignoring Neighbourhood Restrictions London's planning regulations can be particularly strict around unusual venues, especially those in residential areas or conservation zones. I worked with a client who booked a converted church in Islington, only to discover they couldn't use amplified sound after 6pm due to local noise restrictions – right when their keynote was scheduled. Check with the venue about any time restrictions, noise limitations, or neighbour agreements that might affect your event format. #### Mistake #4: Assuming Standard Catering Capabilities Many unusual venues have limited or non-existent kitchen facilities. That beautiful art gallery might not have the infrastructure to serve hot meals to 100 people, forcing you to rely on external caterers who'll charge premium rates for complex logistics. Always clarify catering capabilities during your initial enquiry. Factor in additional costs for external catering if the venue can't handle your requirements in-house. #### Mistake #5: Overlooking Accessibility Requirements Historic and converted buildings often struggle with accessibility compliance. While venues must meet legal requirements, the reality is that some unusual spaces have limited lift access, narrow doorways, or challenging layouts for delegates with mobility requirements. Request detailed accessibility information and visit the venue with accessibility in mind. Consider how delegates will move between different areas of your event. #### Mistake #6: Not Planning for Weather Contingencies Unlike climate-controlled conference centres, unusual venues can be surprisingly vulnerable to weather conditions. I've seen events in converted warehouses become uncomfortably hot during summer heatwaves, and historic buildings that become freezing when their period heating systems can't cope with London's unpredictable weather. Always have backup climate control plans, especially for events during extreme weather periods. #### Mistake #7: Skipping the Insurance Deep Dive Unusual venues often have specific insurance requirements that go beyond standard event coverage. Some require additional coverage for historic features, specialist equipment, or unique architectural elements that could be damaged during your event. Review insurance requirements at least 8 weeks before your event. Some policies take time to arrange and can add une

Featured Venues for Unusual Conference Venues

Browse 16 venues perfect for Unusual Conference Venues

Business at Arundel House

Elegant, spacious room with top AV, ideal for conferences and events. Stunning Thames views.

From: £75 per person

Capacity: Up to 160 guests

Business at The Rembrandt

A versatile, high-tech event space in a historic hotel. Ideal for conferences and large gatherings.

From: £55 per person

Capacity: Up to 200 guests

Business at Studio Spaces

A vast 8000sqft industrial-chic venue in East London, ideal for conferences and brand events.

From: £6500 per person

Capacity: Up to 1000 guests

Events at 116 Pall Mall

A striking Art Deco café with original architecture, ideal for dinners, networking events, or receptions.

From: £60 per person

Capacity: Up to 120 guests

Business at One Great George Street

Modern, minimalist theatre in a historic venue. Ideal for small conferences and presentations.

From: £1920 per person

Capacity: Up to 106 guests

Events at Curzon Bloomsbury

A 150-seat modernist cinema screen with VIP balcony. Ideal for private screenings and parties.

From: £550 per person

Capacity: Up to 147 guests

Business at Barbican Centre

A modern auditorium with full tech support in a renowned arts centre. Ideal for conferences.

From: £3200 per person

Capacity: Up to 151 guests

Dining at National Army Museum

A spacious, modern foyer in a museum setting, ideal for dinners and receptions with historic exhibits.

From: £3790 per person

Capacity: Up to 220 guests

Business at University of London Venues

Historic art deco hall with marble and oak interiors, ideal for conferences in central London.

From: £70 per person

Capacity: Up to 150 guests

Events at Sky Garden London

A secluded terrace with stunning views, ideal for intimate receptions and morning yoga sessions.

From: £500 per person

Capacity: Up to 100 guests

...and 6 more venues available

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