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Collection O Diamond House Khaosan

3.0 star property

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Photo gallery for Collection O Diamond House Khaosan

Lobby
Superior Double Room | Free WiFi, bed sheets
Lobby
Restaurant
Terrace/patio

Reviews

7.8 out of 10
Good

Popular amenities

  • Free Wi-Fi
  • Restaurant
  • Air-conditioning
  • Room service
  • Housekeeping
  • 24/7 front desk

Explore the area

View in a map
4 Samsen Road, Banglampoo, Phranakorn, Bangkok, Bangkok, 10200
  • Place, Chao Praya River
    ‪5 min walk‬
  • Place, Khaosan Road
    ‪9 min walk‬
  • Place, Grand Palace
    ‪19 min walk‬
  • Airport, Bangkok (BKK-Suvarnabhumi Intl.)
    ‪36 min drive‬

Room options

View all photos for Deluxe Double Room

Deluxe Double Room | Free WiFi, bed sheets

Deluxe Double Room

  • 18 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Double Bed
  • Free Wi-Fi

View all photos for Superior Double Room

Superior Double Room | Free WiFi, bed sheets

Superior Double Room

8.0 out of 10
Very good
(3 reviews)
  • City view
  • 22 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Double Bed
  • Free Wi-Fi

View all photos for Deluxe Twin Room

Deluxe Twin Room | Free WiFi, bed sheets

Deluxe Twin Room

  • City view
  • 22 sq m
  • 1 bedroom
  • Sleeps 2
  • 2 Single Beds
  • Free Wi-Fi

View all photos for Standard Twin Room

Standard Twin Room | Free WiFi, bed sheets

Standard Twin Room

8.0 out of 10
Very good
(2 reviews)
  • City view
  • 22 sq m
  • 1 bedroom
  • Sleeps 2
  • 2 Single Beds
  • Free Wi-Fi

View all photos for Deluxe Double Room

A hotel room with a large bed, a window with a view, a bedside table with a lamp, and a wall with abstract art.

Deluxe Double Room

  • Sleeps 2
  • Free Wi-Fi

View all photos for Superior Double Room

A hotel room with a bed, two bedside tables, a window with curtains, and a view of a cityscape.

Superior Double Room

  • Sleeps 2
  • Free Wi-Fi

View all photos for Deluxe Twin Room

A room with a bunk bed, a desk, a chair, and a wardrobe.

Deluxe Twin Room

  • Sleeps 2
  • Free Wi-Fi

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About this property

Collection O Diamond House Khaosan

Along with a restaurant, this hotel has a 24-hour front desk and express check-in. WiFi in public areas is free. Additionally, a garden, a TV in a common area and multilingual staff assistance are on-site.
Collection O Diamond House Khaosan offers 20 accommodations with complimentary bottles of water and free toiletries. 32-inch flat-screen televisions come with cable channels.

Bathrooms include a shower with a rainfall showerhead. Guests can surf the web using the complimentary wireless Internet access (speed: 25+ Mbps). Housekeeping is provided on a daily basis.

During your stay at Collection O Diamond House Khaosan, you're just a quick walk from Khaosan Road. You'll find features such as free WiFi in public areas and a restaurant.
  • Free Wi-Fi (speed: 25+ Mbps)
  • Enjoy a bite to eat at the restaurant
  • Amenities include multilingual staff, a terrace and TV in a common area
  • 9 minutes by foot from Khaosan Road and a 1-minute drive from Chao Praya River
There's a restaurant on site. Public spaces have free WiFi. A terrace, multilingual staff, and a garden are also featured at Collection O Diamond House Khaosan.

Smoking is allowed in designated areas at this 3-star Bangkok hotel.

Collection O Diamond House Khaosan has a restaurant on site.
Room service (during limited hours) is available.

Property amenities

Internet

  • Available in all rooms: Free WiFi
  • In-room WiFi speed: 25+ Mbps
  • Available in some public areas: Free WiFi

Parking and transport

  • No on-site parking available

Food and drink

  • A restaurant

Things to do

  • TV in common areas

Family friendly

  • Dining table
  • In-room babysitting
  • In-room refrigerator

Conveniences

  • 24-hour front desk
  • Luggage storage

Guest services

  • Housekeeping (daily)
  • Multilingual staff

Outdoors

  • Garden
  • Outdoor furniture
  • Terrace

Accessibility

  • Hardwood flooring in room
  • No lift

More

  • 1 building
  • Built in 2010
  • Designated smoking areas

Room amenities

Bedroom

  • Bedsheets provided

Bathroom

  • Free toiletries
  • Private bathroom
  • Rainfall showerhead
  • Shampoo
  • Shower
  • Soap
  • Towels provided

Entertainment

  • 32-inch flat-screen TV with cable channels

Food and drink

  • Dining table
  • Free bottled water
  • Limited room service
  • Refrigerator

More

  • Air conditioning (climate-controlled)
  • Fan
  • Phone

Policies

Check-in

Check-in start time: 2 PM; check-in end time: anytime
Express check-in available
Minimum check-in age - 18

Check-out

Check-out before noon

Special check-in instructions

Front desk staff will greet guests on arrival at the property
Information provided by the property may be translated using automated translation tools

Access methods

Staffed front desk

Pets

  • No pets allowed

Children and extra beds

  • Children are welcome.
  • Kids stay free! One child 6 years old or younger stays free when using existing bedding.
  • Rollaway/extra beds are not available.
  • Cots (infant beds) are not available.

Payment types at the property

Important information

You need to know

This property is managed by a professional host. The provision of housing is linked to their trade, business or profession.
Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
This property accepts credit cards and cash
Safety features at this property include a fire extinguisher
Front desk staff will greet guests on arrival at the property.
If you cancel your booking, you'll be subject to the host's cancellation policy. In accordance with EU regulations about consumer rights, property booking services are not subject to the right of withdrawal.

We should mention

  • One child aged 6 years old or younger stays free in the same room as the parent or guardian when using existing bedding.

Property is also known as

Diamond House Bangkok
Diamond House Hotel
Diamond House Hotel Bangkok
Diamond Hotel Bangkok
Diamond House
OYO 75532 Diamond House
Capital O Diamond House Khaosan
Collection O Diamond House Khaosan Hotel
Collection O Diamond House Khaosan Bangkok
Collection O Diamond House Khaosan Hotel Bangkok

Collection O Diamond House Khaosan Reviews

Reviews

7.8

Good

Rating 10 - Excellent. 62 out of 230 reviews
Rating 8 - Good. 95 out of 230 reviews
Rating 6 - Okay. 51 out of 230 reviews
Rating 4 - Poor. 12 out of 230 reviews
Rating 2 - Terrible. 10 out of 230 reviews

7.8/10

Cleanliness

8.0/10

Staff & service

6.6/10

Amenities

7.6/10

Property conditions & facilities

Reviews

Verified

10/10 Excellent

Kamran

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
This was my first trip, and I truly enjoyed everything—the room decoration, the bed, and the overall environment were excellent. The front desk team was amazing; whenever we needed anything or had a question, they responded very quickly. Thank you so much, Thailand, for a wonderful experience.
Stayed 2 nights in Dec 2025
Verified

4/10 Poor

johanne

Disliked: Cleanliness
No housekeeping for 5 nights
Stayed 5 nights in Feb 2026
Verified

8/10 Good

Stian Michael

Liked: Cleanliness, staff & service, room comfort
Nice and clean hotel, excellent value for money so you can't complain !
Stayed 4 nights in Dec 2024
Verified

10/10 Excellent

Connor

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
10 minute walk from Khaosan Road, nice hotel with friendly front desk staff.
Stayed 3 nights in May 2025
Verified

10/10 Excellent

rafael

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
It was close to everything restaurants shopping areas and not to to far from down town
Stayed 12 nights in Jan 2025
Verified

8/10 Good

Tony

Liked: Staff & service
Disliked: Room comfort
Nice basic hotel on the doorstep of khaosan road. Friendly staff.
Stayed 3 nights in Dec 2024
Verified

10/10 Excellent

Shane

Liked: Cleanliness, property conditions & facilities
We had an amazing holiday staying at the collection! Lynn @ the front desk was amazing And made us feel right at home !!! The owners were onsite and tou can tell they are really involved! Would highly recommend!
Stayed 4 nights in May 2025
Verified

8/10 Good

Jesse

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Good spot!

Nice place to stay. Roof top was amazing. Worth the stay just for that.
Stayed 2 nights in Nov 2024
Verified

4/10 Poor

ERIK SANTIAGO

Disliked: Cleanliness, amenities, property conditions & facilities
Bad smell, mold in the shower. From the reviews it seems like this place is a gamble depending on which room you are allocated to. Would not recommend anyone to stay here.
Stayed 2 nights in Dec 2025
Verified

4/10 Poor

Kristian

Disliked: Cleanliness, staff & service
dirty, no cleaning of rooms, people working there was just sitting around looking at their telephone
Stayed 4 nights in Dec 2025
Verified

8/10 Good

Richard

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Stay was ok nice area with things close enough, no lift for first 3 floors basic room but works for what we needed, will return the end of our trip
Stayed 3 nights in Jan 2025
Verified

6/10 Okay

Adrian

Nice place, really uncomfortable bed.

Nice place, really uncomfortable bed.
Stayed 2 nights in Jan 2025
Verified

6/10 Okay

Verified traveller

Liked: Staff & service
Central hotel, near the famous Khao San road. A little bit tricky to get to if you’re travelling by car/taxi as there was no designated drop off/pick up point. Staff were lovely. Room and, overall, the property was stylish. It has the basic amenities for a one night stay.
Stayed 1 night in Feb 2025
Verified

8/10 Good

Daiva

Liked: Staff & service
Great location! Easy to walk to many landmarks and lots of good food around. The room wasn’t as clean as I would have expected when I checked in, but I told you staff and they remedied this right away! Unfortunately, the hot tub on the roof did not look like it had been cleaned or used in a long time, which was disappointing, but overall it was good value for solo traveler.
Stayed 7 nights in Jan 2025
Verified

6/10 Okay

Richard

Ok stay unfortunate that air con units were right o ru side my window and very noisy, apart from that a good stay and in a great area for things around,
Stayed 2 nights in Jan 2025
Verified

2/10 Terrible

John

Disliked: Cleanliness, amenities, property conditions & facilities
Very small room with very sketchy looking restrooms
Stayed 2 nights in Nov 2024
Verified

6/10 Okay

KING CHUNG

Good
Stayed 4 nights in Mar 2025
Verified

10/10 Excellent

J E

Liked: Cleanliness, staff & service, property conditions & facilities
Staff is the next thing about that place. They’re very cordial and work with you no matter that. I was allowed early free check in
Stayed 1 night in Nov 2024
Verified

2/10 Terrible

George

Disliked: Cleanliness, amenities, property conditions & facilities
The room didn't match the description on Expedia. The front desk clerk (which is a tiny desk on the stairwell landing between the first and second floors) explained that none of their rooms have televisions or a working safe. Their rooms don't include hand soap in the bathroom. You get to wash your hands with the tiny tube of shower gel they provide after using the toilet. Their jacuzzi was filled with dirt and leaves upon my arrival. One person told me that it hadn't been used since COVID. They did sort of clean it up and fill it with water, but I wasn't about to be the guinea pig for that. This place was probably quite nice 20 years ago, but it's best to avoid now until somebody remodels it.
Stayed 5 nights in Feb 2026
Verified

8/10 Good

Sarah

Liked: Cleanliness, staff & service, room comfort

Reception boys, are super nice!

Great location, tub on roof doesnt work. But rooftop is sweet, standard room have no window just so You know...
Stayed 1 night in Jan 2025
Verified

6/10 Okay

Clifford

Disliked: Staff & service

Pretty good

It's a good location, but the air conditioner did not work very well and the TV was not operative. The refrigerator did not work either but they did exchange that for a working one when I brought it up. The bed is very firm but I feel like that's standard in Asia and I kind of like it. Clean and good location to see all the touristy spots.
Stayed 2 nights in Nov 2024
Verified

8/10 Good

NATHAN

Liked: Cleanliness, property conditions & facilities
Several issues but they were resolved in a timely manner. No pla e to sit in room smmal tv not working bed too hard
Stayed 7 nights in Dec 2024
Verified

6/10 Okay

Verified traveller

Disliked: Cleanliness, staff & service, property conditions & facilities, room comfort
Plus for Nice location but the rest was not What i expect. No cleaning in 4 nights even i asked for it several times. Really hard beds and the room is not the size Hotels.com tell. The jacuzzi on the top had just cold water and was not changed. Had no Tv , and was only cold water in the shower. Will not change This room for next holiday in Khao San
Stayed 4 nights in Jan 2025
Verified

2/10 Terrible

alexander

Disliked: Cleanliness, staff & service, amenities, property conditions & facilities
property did not provide a tv in my room as listed in the rooms discripetion and had torn bed sheets
Stayed 8 nights in Feb 2025
Verified

6/10 Okay

Paul

Liked: Cleanliness, staff & service
Disliked: Amenities, property conditions & facilities
I so wanted to give a better review. Staff are so friendly and helpful. This usually makes up for a lot. I was sick when there so this was extra special for me. But when the electricity stopped working and they had to move me to another hotel they booked randomly (oh so bad) and no refund this was bad. Back to my stay in the diamond hotel. I try to ignore the fact that this building continually moves. Like earthquake wobbles. Very scary and often. Woke me up sometimes. They said ‘it’s ok’ mmmm
Stayed 4 nights in Nov 2024