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Finding affordable conference venues in London for around 100 attendees can be a challenge, but it’s essential for successful event planning. These venues offer the perfect blend of functionality and cost-effectiveness, ensuring your conference runs smoothly without breaking the bank. Consider factors like location, facilities, and accessibility when selecting your venue to create an engaging experience for all participants.

By plane, train, underground, bicycle and more, London has some of the best transport links in the world.

TRANSPORT

Icons that make London know the world over, from Buckingham Palace to the House of Parliament.

LANDMARKS

Home to Theatreland, world renowned music venues, museums and a piece of history on every corner.

CULTURE

London is a city that needs no introduction. It’s a global hub for business, finance, fashion and the arts, and is one of the most popular tourist destinations in the world. It’s also an excellent place to hold an event, with a huge range of venues to choose from. From the iconic O2 Arena and Wembley Stadium to more intimate spaces like the Royal Albert Hall and Roundhouse, London has a venue to suit every event. And with a wealth of hotels, restaurants and bars, you’ll be spoilt for choice when it comes to entertaining your guests.

London

The United Kingdom has an excellent transport infrastructure, with a wide variety of options for getting around.

The United Kingdom is home to some of the most iconic landmarks in the world, from Big Ben to Stonehenge.

The United Kingdom has a rich cultural heritage, with a wide variety of traditional music, art and cuisine.

The United Kingdom is a country in northwestern Europe, off the coast of France. It is made up of England, Scotland, Wales and Northern Ireland. The UK has a long and rich history, and its culture has been influenced by many different peoples and nations. The UK is a leading economic and political power, and is home to some of the world’s most iconic landmarks, such as Big Ben and Buckingham Palace. The UK is an excellent place to hold an event, with a variety of world-class venues and a wealth of experience in hosting events of all kinds.

United Kingdom

Explore cheap conference venues in London suitable for 100 people. Perfect spaces to host your next professional event.

Cheap Conference Venues in London for 100 people

Cheap Conference Venues

Affordable conference venue near Euston station. Versatile meeting rooms for professional events in central London. Book your conference today.

Private dining, banqueting, dinner & dance. Porter Hall at The Wesley Euston Hotel & Conference Venue offers an exquisite setting for your next event. With its high ceilings and abundant natural daylight, this elegant space creates a warm and inviting atmosphere perfect for intimate gatherings or grand celebrations. Our ethical approach ensures that all catering is fair trade and sustainably sourced, allowing you to indulge in delicious cuisine while supporting responsible practices. Equipped with the latest AV technology, Porter Hall is ideal for presentations, speeches, or entertainment, making it a versatile choice for any occasion. Located just a two-minute walk from Euston Station, your guests will appreciate the convenience of our central London location. Experience exceptional service and a unique dining experience at The Wesley, where every detail is tailored to your needs.

Porter Hall at Wesley Euston Hotel, elegant event space for corporate meetings and gatherings.

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Porter Hall at Wesley Euston Hotel, elegant venue for weddings and corporate events.

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Porter Hall at Wesley Euston Hotel, elegant event space for weddings and corporate gatherings.

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Theatre

Dining 

Porter Hall

The Wesley Euston Hotel & Conference Venue 

The Wesley Euston - Cheap Conference Venue

Affordable 743 sqm conference venue in East London. Three interconnected studios perfect for professional events near the river.

Studio Spaces is a vast and spectacular warehouse event space which is spread over 8000sqft and located in the vibrant St Katherine's Dock area of East London. With its industrial charm and elegant interior finishes this unique venue hosts a diverse range of event productions; from brand experiences, stylish conferences and tech summits.

Studio Spaces is rapidly becoming a favourite location amongst producers of conferences and seminars who are looking for something a little more up to date than the standard hotel offerings.

Stylish event space with elegant table settings and purple lighting for branding events.

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Networking event at Studio Spaces with vibrant sponsor displays and diverse attendees.

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Reception

Business

Whole Venue

Studio Spaces

Studio Spaces - Cheap Conference Venue

Modern cheap conference venue near Marble Arch, London. Private access for business meetings and professional events for 100 people.

Nearby syndicate space, Studio 1 at Great Cumberland Place is the ideal venue for your next event in central London. With a capacity of 110 in theatre style and 60 in cabaret style, this versatile space is perfect for conferences, meetings, and live music events. Enjoy state-of-the-art audio-visual technology, air conditioning, and soundproofing, ensuring a comfortable and distraction-free environment. Located just 20 yards from Marble Arch Tube Station, accessibility is a breeze. Our dedicated team offers personalised menu planning with our chef, ensuring a tailored experience for your guests. With accommodation options available and production teams welcome, Studio 1 is designed to meet all your event needs while providing an exceptional atmosphere. Elevate your next gathering at this premier venue, where impeccable service and striking design come together seamlessly.

Meeting room at The Cumberland Hotel with round tables, ideal for corporate events.

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Meeting room at The Cumberland Hotel with dark linens, ideal for corporate events.

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Meeting room at The Cumberland Hotel with round tables for professional events.

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Events

Studio 1

The Cumberland Hotel

The Cumberland Hotel - Cheap Conference

Historic BMA House offers affordable conference venues in central London for 100 people. Modern hybrid facilities in a sustainable setting.

The Sir James Paget Room is a perfect complement to any wedding day, featuring stunning Spanish mahogany pillars and elegant Corinthian columns that create a timeless atmosphere. Bathed in natural light from floor-to-ceiling windows, this exquisite space offers a romantic backdrop for your ceremony and reception. With direct access to a beautiful courtyard and a botanical garden, your guests can enjoy seamless indoor-outdoor flow. BMA House, a Grade II listed building designed by Sir Edwin Lutyens, combines historic charm with modern amenities, including the latest AV equipment and an induction loop for enhanced accessibility. Celebrate your love story in a venue that prioritizes sustainability, having earned Gold accreditation with Green Tourism. With its high ceilings and sophisticated styling, the Sir James Paget Room is the ideal setting for an unforgettable wedding celebration in the heart of London.

Elegant Paget Room at BMA House, ideal for upscale events and corporate gatherings.

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Elegant dining setup in Paget Room, BMA House for formal events and galas.

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Elegant Paget Room in BMA House, perfect for meetings and celebrations.

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Elegant Paget Room at BMA House, ideal for weddings and corporate events with floral decor.

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Elegant Paget Room in BMA House, ideal for networking receptions and gatherings.

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Weddings

Paget Room

BMA House

BMA House - Cheap Conference Venue London

Historic Central London conference venue with modern amenities, courtyard & terrace. Affordable professional event space for 100 people.

Licensed for wedding ceremonies, The Long Room is perfect for an evening ceremony up to 150 guests. We can transform this space into a reception layout whilst you and your guests take photographs in our unique and historical venue. Whatever your plan is for your wedding celebrations, we will make it a memorable one.

Wedding ceremony in The Long Room, bride and father at altar, elegant floral arrangements.

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Couple joyfully signing marriage certificate in The Long Room, HAC wedding venue.

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Elegant dining table in The Long Room, perfect for weddings and formal events.

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Elegant wedding in The Long Room, HAC with grand staircase and floral arrangements.

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Vibrant wedding celebration in The Long Room, HAC with guests dancing joyfully.

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The Long Room

The HAC (Honourable Artillery Company)

The HAC - Cheap Conference Venue London

Book VUE West End for affordable conference hire in London. Premier Leicester Square cinema venue perfect for professional events up to 100 people.

Vue West End is located in Leicester Square, making it an ideal venue for business events and corporate gatherings. With nine state-of-the-art screens, including a stunning 3D screen, this cinema offers a unique setting for presentations, product launches. The auditorium seating accommodates between 94 and 270 guests, ensuring flexibility for various group sizes. Enjoy comfortable cinema chairs, advanced digital projectors, and the option for digital branding to enhance your event. Catering services and a licensed bar are available, providing a seamless experience for your attendees.

Modern cinema auditorium with spacious seating for film screenings and corporate events.

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"Friendly server welcomes guests with vibrant cocktails at VUE West End events."

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Screen 6

VUE West End

VUE West End - Cheap Conference Venue

Grade II Listed conference venue in Westminster, London. Diverse rooms with stunning architecture for professional events up to 100 people.

The fully accessible Godfrey Mitchell Theatre is located on the lower ground. This theatre is ideal for small conferences, presentations, lectures, seminars, product launches, press conferences and AGM's. We're fully equipped with state-of-the art presentation technology. At the front is a lectern and a top table for up to four people; each with fixed microphones. The space is very minimalist and modern in style with soft blue and white.

Our smallest theatre can be linked up to our Telford Theatre which allow a capacity of over 340 people.

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Godfrey Mitchell Theatre

One Great George Street

One Great George Street Conference Venue

Modern cheap conference venue in Chelsea for 100 people. Professional event spaces with unique museum setting in London.

The Foyer is a large, light-filled, open space at the front of the Museum with high ceilings and a modern finish. 

The open-plan nature lends itself to banquet dinners and drink receptions, with guests able to view impressive objects from our extensive collection whilst enjoying their special occasion. 

Whether looking for a formal sit-down dinner or a more relaxed atmosphere, this is the ideal setting to inspire your guests. 


Spacious Foyer at National Army Museum, ideal for conferences and social gatherings.

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Elegant dinner setup in National Army Museum foyer for corporate events and gala dinners.

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Modern event space in National Army Museum with blue lighting, ideal for corporate gatherings.

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Elegant dining setup in National Army Museum foyer for gala events.

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Vibrant networking event in National Army Museum foyer with colorful decor and art.

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Foyer

National Army Museum

National Army Museum - Cheap Conference

Historic Lincoln's Inn offers affordable conference facilities in central London for 100 people. Elegant halls with modern amenities.

Opened in 2018 by Queen Elizabeth II, the Ashworth Centre is a purpose-built event space set beneath the Great Hall, expertly designed to allow natural daylight to flood the suite through generous skylights. 
The stylish double-height lecture theatre with retractable seating for up to 158 delegates features integrated audio-visual. Ten meeting rooms split across two floors may be booked individually for smaller meetings for up to 16 boardroom or 25 theatre, or the partition walls can be withdrawn allowing flexible multi-room formats for breakout spaces or refreshments. 

Modern Ashworth Centre event space with wooden paneling for conferences and workshops.

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Modern conference room at Ashworth Centre, featuring a large table for meetings and events.

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Modern auditorium with tiered seating at Ashworth Centre, ideal for events and meetings.

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Modern meeting room at Ashworth Centre, featuring circular seating for workshops and presentations.

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Modern event space at Ashworth Centre, ideal for meetings and networking.

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Ashworth Centre

Honourable Society of Lincoln's Inn

Lincoln's Inn - Cheap Conference Venue

Affordable conference venue in central London near Oxford Street. Meeting rooms and ballrooms perfect for professional events up to 100 people.

The Albert Hall suite holds up to 180 guests for a reception style event or 80 for dinner. Perfect for putting on a performance, the Albert Hall lends itself to an array for dinners and events.

Our dedicated events team will be on hand throughout your event. The room comes fully equipped with air-conditioning, Nespresso machines, conferencing equipment and free super fast, unlimited wi-fi as standard.

Elegant reception at Albert Hall, Thistle Marble Arch with cocktail tables and ambient lighting.

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Albert Hall

The Marble Arch Hotel by Thistle

The Marble Arch Hotel - Cheap Conference

Modern conference venue in London Bridge with 13 flexible rooms & stunning atrium. Perfect affordable space for professional events up to 100.

Host your next event in this dynamic, versatile and sustainable space. It is ideal for conferences, seminars and drinks receptions. This space features expansive windows that invite natural light and provide views of the stunning glass atrium, creating a welcoming and adaptable atmosphere. Equipped with advance audiovisual technology and dedicated to sustainable practices, it easily accommodate your event's unique requirements. 

Whether it's a corporate gathering or celebration, this space ensures your event is executed flawlessly and sustainably. 

Modern meeting room with red chairs and dual screens for presentations and workshops.

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Modern meeting room with red chairs, ideal for conferences and workshops.

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Modern meeting space with red chairs, ideal for presentations and workshops.

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10 Union St.

10 Union St. - Affordable Conference Venue

Historic cheap conference venue in London for 100 people. Professional event spaces at Royal College of Physicians overlooking Regent's Park.

The Seligman Theatre is a contemporary looking space. With a capacity of up to 150 delegates, it offer the perfect backdrop for multiple type of events. 

Its state-of-the-art AV systems and technology, supported by our team of in-house experts make it the ideal space for conferences, presentations, seminars, AGM's, award ceremonies and panel discussions.

We offer hybrid, steaming and filming services to ensure that your delegates can attend your event wherever they are, whenever they want.


The Wolfson Theatre is fully accessible.

Seligman Theatre at RCP London, modern auditorium with tiered seating for events.

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Seligman Theatre at RCP London, tiered seating for corporate events and presentations.

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Seligman Theatre at RCP London, modern auditorium with purple tiered seating for events.

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Seligman Theatre auditorium with purple seating, perfect for conferences and presentations.

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Seligman Theatre 

RCP London Events (Royal College of Physicians)

RCP London - Cheap Conference Venue

Versatile, tech-equipped central London conference venue for up to 160 guests. Affordable professional space perfect for conferences.

We are happy to allow filming & photography in our space, subject to a few conditions. Eventspace at Salisbury House offers a stunning backdrop for your creative projects, combining elegance with modern amenities. With a capacity for 160 guests, adjustable lighting, and top-of-the-line tech, our venue is perfect for capturing high-quality visuals. Located in the heart of Central London, it boasts excellent transport links and dedicated spaces for catering and breakout sessions. Whether you're shooting a corporate video, promotional content, or a photoshoot, our dedicated conference team is here to assist you in making your vision a reality. Please get in touch to discuss your filming or photography needs and ensure a seamless experience in this versatile and inspiring environment.

Conference room setup with wooden chairs and screens at Salisbury House event.

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Professionals networking in a stylish corridor at Salisbury House event space.

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Modern reception area at Salisbury House, ideal for events and networking.

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Film and Photo

Marquise & Trillion Combined

Eventspace at Salisbury House

Versatile conference venue in London for 30-300 guests. Hybrid-enabled hall in business school, perfect for professional events.

Our 2nd Floor Lounge offers a free-flowing area for attendees to meet and socialize over snacks or a drink. 
Capacity ranges depending on the room layout from 48 (seated buffet) to 80 (standing reception).

Modern 2nd Floor Lounge in London Conference Centre, bright space for meetings and networking.

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Modern 2nd Floor Lounge in London Conference Centre, ideal for meetings and networking.

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2nd Floor Lounge

London Conference Centre

Central Georgian townhouse with 20 versatile conference spaces in London. Perfect affordable venue for professional events up to 100 people.

The Edwards room is an airy modern space with natural light perfect for private dining or drinks receptions.

The space comes equipped with intelligent LED lighting perfect for branding your event, light settings that create the perfect ambiance every evening event is looking for and a regal red carpet that bestows an opulent feel on the space. 

The space also boasts a private cloakroom and can host up to 100 for private dining or 120 reception.



Elegant event space with round tables and candelabras at No.11 Cavendish Square.