Caswell House is an estate destination wedding venue in Brize Norton OX18 3NJ, United Kingdom, hosting 20 to 150 guests in the $$$ price range, reached from London Heathrow Airport (LHR), 90 minutes by car. Best months: May, June, July, August.

ListedBrize Norton OX18 3NJ, United KingdomEstate

Caswell House

Caswell House stands apart as a privately-owned Oxfordshire estate offering raw architectural character without the corporate polish of typical wedding venues.

About Caswell House

Caswell House stands apart as a privately-owned Oxfordshire estate offering raw architectural character without the corporate polish of typical wedding venues.

This Grade II listed Georgian manor provides genuine period authenticity across its 150-person capacity, hosting ceremonies in original rooms and receptions across manicured grounds.

With an exceptional 4.8/5 Google rating, the venue attracts couples prioritizing substance over themed aesthetics.

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September 2026
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Nothing is reserved until the venue confirms. A first note comes back within two business days.

Just amazing, in every way! We had just the most perfect day for our wedding at Caswell House. Anna, Sarah, Courtney and the whole team were so brilliant from start to finish.

Chloë & Mark · read the whole review on Google

Capacity, rooms and facilities

Capacity

Seated dinner
140 guests
Standing reception
200 guests
Ceremony, seated
140 guests

Staying over

Rooms
16 rooms

The ceremony

Outdoor ceremony
Yes

Getting there

Nearest airport
LHR, 90 min by carAisle estimate

The spaces

Indoors or out
Both
Setting
Countryside, restored, elegant

Food and drink

In-house catering
Yes

Venue highlights

  • Grade II listed Georgian estate with original period features and architectural integrity
  • Capacity for up to 150 guests across multiple rooms and outdoor spaces
  • Located in rural Oxfordshire (Brize Norton), providing genuine countryside seclusion just 90 minutes from London
  • Flexible licensing allows both indoor and outdoor ceremony options on the grounds

The wedding season

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PeakGoodShoulderOff season

A sample wedding weekend

See the day-by-day outline+

Use this as a starting point and adapt it to your bookings and guests.

Friday before wedding · day 01
  • 3:00 PMVenue access opens for setup and guest arrival
Wedding day · day 02
  • 1:00 PMGuest arrival and aperitifs on grounds
  • 2:30 PMCeremony in main hall or garden
  • 3:30 PMReception drinks and canapés
  • 5:00 PMSeated reception and meal service
  • 10:00 PMEvent concludes; guest departure

Costs and booking details

Getting there
LHR · 90 minutes by car

Guests fly into London Heathrow Airport.

Typical total
£3,500-8,000+Aisle estimate

Pricing varies significantly by season (peak summer vs. winter rates). External catering typically costs £30-£50pp additional. Contact venue directly for current rates and package options.

See the full figure+

£3,500-£8,000+ for 60 guests (ceremony + reception + external catering)

Ceremony fee
£300-600Aisle estimate

A one-time licence and setup fee, paid to the venue.

See the full figure+

Typically £300-£600 (venue hire varies by season)

Reception
£45-85 / headAisle estimate

A seated dinner with wine and service, by headcount.

See the full figure+

£45-£85 depending on catering choice and season

Room rate
£70-150 / nightAisle estimate

A standard room in the wedding window. Group rates on request.

See the full figure+

Not available on-site; nearby B&Bs and hotels £70-£150/night

Weather window
May – August

The 4 months the weather is kindest. Weather does not indicate whether a date is available.

Direct line
01993 701064

Answered by the venue in local hours.

Questions about the venue

What are the ceremony options at Caswell House?+

The venue offers both licensed indoor ceremonies in period rooms and outdoor ceremonies on the grounds, allowing flexibility based on season and preference.

Can guests stay overnight at the property?+

Caswell House functions primarily as an event venue. Nearby accommodation options exist in surrounding villages; contact the venue for recommended partner hotels and B&Bs.

What catering arrangements are available?+

The venue allows external catering or can recommend approved suppliers. Full details on catering policies and kitchen facilities are available through their website.

How far is Caswell House from major transport links?+

Located near Brize Norton, the estate sits approximately 90 minutes from London (Paddington Station via car) and 45 minutes from Oxford, with parking available on grounds.

What's the minimum guest count?+

The venue accommodates intimate gatherings from 20 guests upward, making it suitable for both small ceremonies and larger celebrations up to 150.

Before you keep looking

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Sources and booking notes

Confirm your dates, guest numbers, room arrangements and inclusions with the venue before booking. An enquiry does not reserve a date. Figures labelled Aisle estimate are modelled from regional rates and public sources; they are not venue quotes.

Venue wedding information

Sources for individual venue facts
  • Seated dinner: 140 guests

    Capacity for up to 140 guests for the ceremony and dining, and up to 200 evening guests
    Read the source for seated dinner
  • Standing reception: 200 guests

    Capacity for up to 140 guests for the ceremony and dining, and up to 200 evening guests
    Read the source for standing reception
  • Ceremony, seated: 140 guests

    Capacity for up to 140 guests for the ceremony and dining, and up to 200 evening guests
    Read the source for ceremony, seated
  • Rooms: 16 rooms

    With luxury accommodation across 16 beautifully curated bedrooms, couples and their guests can sink into comfort and fully embrace the rhythm of country life.
    Read the source for rooms
  • Outdoor ceremony: Yes

    A choice of ceremony locations – indoors in our historic barn or outdoors under the 15th-century Loggia archway
    Read the source for outdoor ceremony
  • In-house catering: Yes

    Our in-house catering team, Caswell Kitchen, craft menus designed to nourish, delight, and complement every event we host.
    Read the source for in-house catering
  • Indoors or out: Both

    A choice of ceremony locations – indoors in our historic barn or outdoors under the 15th-century Loggia archway
    Read the source for indoors or out
  • Setting: Countryside, restored, elegant

    Our exclusive Oxfordshire estate is where history and thoughtful restoration meet the natural beauty of the English countryside.
    Read the source for setting