Main Auditorium

The Main Auditorium is perfect for large-scale conferences, meetings and events.

A flexible space that can be dressed to suit any occasion, from large exhibitions and conferences to dinners, parties and award ceremonies.

Easily accessible from the ground floor, the space has its own stage, drapes and curtains with options to screen off sections if required.

Located in the heart of the city, Portsmouth Guildhall is just a 2-minute walk from Portsmouth & Southsea train station, with parking available nearby.

Space Details

Theatre: Up to 2000 people
Reception: Up to 1000 people
Buffet: Up to 800 people
Dinner : Up to 420 people
Dinner Dance : Up to 380 people
Cabaret: Up to 336 people
Classroom: Up to 300 people

Dimensions: 29 x 18m
Ceiling height: 13m
Area: 552m²

Features

Conference option
Food option
Meeting option
WiFi
Induction loop
Blackout blinds
Technical support

Images of The Main Auditorium

The Main Auditorium is perfect for large-scale events.

Main Auditorium | Seating

Main Auditorium | Award ceremony

Main Auditorium | Conference Seating

Main Auditorium | Cabaret Seating

Main Auditorium | Christmas Party

Main Auditorium | Ceremony Seating | Lord Mayor Making Ceremony May 2025

Main Auditorium | Conference

Main Auditorium | Exhibition

Main Auditorium | Special event

With us, your event is in good hands.

From the moment you contact us to post event, our dedicated team will ensure every detail is meticulously planned and executed.
Talk to us today: 023 9387 0182
Send us a email: enquiries@portsmouthguildhall.org.uk

Event Layout Options

Portsmouth Guildhall’s Main Auditorium offers flexible layouts for events of all sizes, from exhibitions and conferences to dinners and awards.

Conferences

The Main Auditorium is ideal for large conferences and corporate events. Theatre-style seating for up to 2,000 delegates creates an impressive, comfortable setting with excellent visibility and acoustics.

A landmark venue with professional facilities, it offers the scale and flexibility to deliver inspiring, engaging events.

Capacity 500-2000

Gala Dinners and Parties

A versatile space ideal for Dinners, Award Ceremonies, Parties and Receptions. The Main Auditorium can be tailored to suit events of all sizes, offering flexible layout options with atmosphere and impact:

Buffet: up to 800 people
Dinner: up to 420 people
Dinner Dance: up to 380 people
Cabaret: up to 336 people

Capacity 336-800

Exhibitions

The Main Auditorium offers a spacious, flexible setting for exhibitions and trade events. With capacity for up to 50 tables, it is ideal for showcasing products and creating engaging displays.

Its scale, versatility and central location make it a standout choice for impactful exhibitions at Portsmouth Guildhall.