Overlooking the River Thames in Westminster, The Royal Horseguards & One Whitehall Place combines Victorian grandeur with modern luxury to create one of London’s most impressive event venues. Steeped in history and architectural elegance, it offers a dramatic backdrop for conferences, gala dinners, award ceremonies, weddings, and private celebrations.

With 282 stylish bedrooms and 13 versatile event spaces, the venue blends scale and sophistication. From the iconic Gladstone Library and Reading & Writing Room to the atmospheric Cellar and the contemporary Whitehall Suite, every space is designed to leave a lasting impression.

Key Features

• Prestigious Westminster location overlooking the River Thames

• 282 bedrooms and luxury suites for multi-day events

• 13 flexible event and meeting spaces

• Largest capacity: 550 reception | 320 dinner | 280 theatre

• Full AV, staging, lighting, and hybrid event support

• Elegant terraces and heritage rooms with period detail

• In-house catering and professional event planning team

Event Spaces & Capacities

Gladstone Library & Reading & Writing Room
The venue’s most iconic space, with soaring ceilings and ornate detail. Combined capacity for up to 550 guests, perfect for conferences, receptions, and gala dinners.

Whitehall Suite
A striking pillar-free space with a private entrance, ideal for large dinners, exhibitions, or award ceremonies. Capacity for up to 320 guests.

Meston Suite
A versatile mid-size room with capacity for 80 theatre-style or 72 dining, suited for meetings, dinners, and training sessions.

The Thames Suite
Contemporary and flexible, ideal for up to 40 theatre-style. Perfect for smaller conferences and private events.

The Cellar
An atmospheric space accommodating up to 70 guests for drinks receptions, private dinners, or themed parties.

Boardrooms & Smaller Salons
A collection of intimate rooms for 8–30 guests, ideal for executive meetings, interviews, or private dining.

Why Hire The Royal Horseguards & One Whitehall Place

This historic riverside venue offers an unrivalled combination of scale, style, and service. With a range of spaces from grand libraries to intimate boardrooms, it adapts to every event, supported by expert AV, catering, and planning teams.

Its Westminster setting places guests at the heart of London, while 282 bedrooms make it ideal for residential conferences or multi-day occasions. Whether you’re hosting a high-profile awards ceremony, a strategic business meeting, or an elegant dinner, The Royal Horseguards & One Whitehall Place provides a backdrop that is as inspiring as it is unforgettable.