Osterley Park and House
Osterley Park and House has 5 meeting/event spaces for up to 250 delegates (theatre), largest: Parkland Marquee Space (300).
- Up to 300 delegates
- 5 meeting spaces
- On-site parking
1 photosPhotography pending verification1 photosCapacity overview
5 spaces · capacities by layout · floor area in m²
| Room | Theatre | Cabaret | Boardroom | Classroom | U-shape | Banquet | Reception | m² |
|---|---|---|---|---|---|---|---|---|
| Eating Room | — | — | — | — | — | — | 30 | 40 |
| Drawing Room | — | — | — | — | — | — | 35 | 45 |
| Gallery | — | — | — | — | — | — | 60 | 80 |
| State Bedroom | — | — | — | — | — | — | 25 | 35 |
| Parkland Marquee Space | 250 | — | — | — | — | — | 300 | 2000 |
At a glance
Osterley Park and House is one of London's last surviving country estates, featuring a spectacular 18th-century neo-classical mansion designed by Robert Adam set within 357 acres of parkland. This National Trust property offers exceptional venue hire opportunities for corporate events, private functions, filming, and photoshoots in a unique historic setting. The house contains some of Britain's finest interiors with ornate state rooms, while the estate includes landscaped gardens, lakes, and extensive grounds perfect for outdoor events. The venue can accommodate various event formats from intimate meetings in historic rooms to large outdoor gatherings and marquee events on the grounds. With its combination of architectural splendor, period authenticity, and natural beauty just 30 minutes from central London, Osterley Park provides an unforgettable backdrop for weddings, corporate hospitality, product launches, and special celebrations while supporting the conservation of this important heritage site.
Best suited for
- Weddings
- Corporate Events
- Private Parties
- Cultural Events
- Filming
Why book with us?
- Independent venue sourcing
- Free to event organisers
- Access to negotiated rates
- Alternative venues included
- Human expert support
Know before you book
Provenance shown for every factMeeting spaces at this venue
View all 5 spaces →Pricing & packages
Exact rates are confirmed on your proposal — our experts negotiate on your behalf.
Meeting room, equipment, lunch & refreshments.
Half day, full day and evening rates available on request.
Bespoke menus and exclusive-use packages for private events.
Food & catering
- Restaurant on site
- Bar on site
Dietary options catered for
Top facilities
- Historic interiors
- Landscaped gardens
- Parkland setting
- Car parking
- Catering approved suppliers
- Photography permitted
- Filming facilities
- Outdoor events
AV & production
Accessibility
Always confirm specific access requirements with our team — we check on your behalf.
- Wheelchair accessible
- Step-free access to ground floor
- Accessible parking available
Location & getting there
Jersey Road, Osterley, Isleworth, TW7 4RB, United Kingdom
Venue Intelligence™
Every rating below is computed from verified platform data — never marketing copy.
Osterley Park and House is a verified historic house & estate in Isleworth, hosting up to 300 guests. Its profile rates most strongly for Historic, Corporate, Creative. Verified on-site: wi-fi, food & catering, accessibility. Best suited to memorable events in a heritage setting.
Best for: memorable events in a heritage setting, corporate conferences and board meetings, creative off-sites and product launches.
Sustainability credentials are not yet evidenced in the profile data.
Venue profile ratings
- Corporate★★★★★
- Luxury★★★★★
- Historic★★★★★
- Creative★★★★★
- Eco★★★★★
- Hybrid Ready★★★★★
- Networking★★★★★
- Training★★★★★
- International★★★★★
- Accessibility★★★★★
Verified on-site
- Wi-Fi✓ Verified
- AV & productionNot listed
- Food & catering✓ Verified
- BedroomsNot listed
- SustainabilityNot listed
- Accessibility✓ Verified
Venue IQ™
A living intelligence record — every entry is generated from verified platform data, not marketing copy.
- Oct 2025Venue verified and listed
Added to the InternationalVenues.com verified directory.
- Oct 2025Photography refreshed — 3 images
Latest venue imagery reviewed and published.
- Oct 2025Quality score 95/100
Top-tier data completeness — capacities, facilities and access verified.
Frequently asked
How many meeting rooms does Osterley Park and House have?
Osterley Park and House has 5 meeting and event spaces in Isleworth, seating up to 250 delegates theatre-style in the largest room.
What is the capacity of Osterley Park and House's largest event space?
The largest event space at Osterley Park and House is Parkland Marquee Space, with a maximum capacity of 300 guests.
What conference facilities does Osterley Park and House offer?
Osterley Park and House offers Historic interiors, Landscaped gardens, Parkland setting, Car parking, Projector, Screen, PA System across its 5 meeting and event spaces.
What is the maximum capacity?
Up to 300 guests for standing receptions, 120 for seated dining in main rooms
What AV equipment is available?
Professional AV equipment available including sound system, microphones, and projection facilities
Is catering available?
Approved caterers list available, full catering services including formal dining and buffet options
Is there parking available?
On-site parking available for up to 200 vehicles, additional overflow parking during events
About Osterley Park and House
Osterley Park and House is one of London's last surviving country estates, featuring a spectacular 18th-century neo-classical mansion designed by Robert Adam set within 357 acres of parkland. This National Trust property offers exceptional venue hire opportunities for corporate events, private functions, filming, and photoshoots in a unique historic setting. The house contains some of Britain's finest interiors with ornate state rooms, while the estate includes landscaped gardens, lakes, and extensive grounds perfect for outdoor events. The venue can accommodate various event formats from intimate meetings in historic rooms to large outdoor gatherings and marquee events on the grounds. With its combination of architectural splendor, period authenticity, and natural beauty just 30 minutes from central London, Osterley Park provides an unforgettable backdrop for weddings, corporate hospitality, product launches, and special celebrations while supporting the conservation of this important heritage site.
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