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Treadwell Mansion | Apartment in Portsmouth

| 9.4 (26 Reviews) |   Pet Friendly   1 Bedroom  2 Bathrooms  2 Guests
Portsmouth Apartment | Treadwell Mansion

1 Bedroom Apartment in Portsmouth

Along with a rooftop terrace, this aparthotel has self parking and free WiFi in public areas.
Each apartment provides a kitchen with a refrigerator, an oven, a stovetop, and a microwave. Guests can appreciate conveniences like 2 bathrooms and a coffee/tea maker, and other amenities include free WiFi and a Smart TV. Weekly housekeeping is available.
Treadwell Mansion offers 38 accommodations with safes and coffee/tea makers. Accommodations at this 4-star aparthotel have kitchens with full-sized refrigerators/freezers, stovetops, microwaves, and cookware/dishes/utensils. Bathrooms include showers with rainfall showerheads, and hair dryers.

Guests can surf the web using the complimentary wireless Internet access (speed: 250+ Mbps (good for 3–5 people or up to 10 devices)). Smart televisions are featured in guestrooms. Housekeeping is provided weekly.

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Amenities

Air Conditioner
Parking
Pet Friendly
Wheelchair Accessible
Balcony/Terrace
Accessibility
Bedding/Linens
Wellness Facilities
Child Friendly
Heating
Internet
Kitchen
Laundry

Facility Overview

Air Conditioner
  • Heating
  • Air conditioning
Bathrooms
  • Toilet paper
  • Soap
  • Shampoo
  • Towels provided
  • Hair dryer
  • Rainfall showerhead
  • Shower
Bedroom
  • Bed sheets provided
Kitchen
  • Refrigerator (full size)
  • Cookware/dishes/utensils
  • Coffee/tea maker
  • Oven
  • Microwave
  • Stovetop
  • Toaster
  • Dishwasher
  • Freezer
Parking
  • Secured covered self parking on site (USD 40 per day)
  • Limited onsite parking
  • Wheelchair-accessible parking available
  • Height restrictions apply for onsite parking
  • Electric car charging station on site
Pet Friendly
  • Pet friendly
  • Service animals exempt from fees
  • Welcoming dogs only
  • USD 150 per accommodation per day
Accessibility
  • Wheelchair-accessible parking
  • Front entrance ramp
  • Wheelchair-accessible path to elevator
  • Wheelchair accessible (with limits)
  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Elevator
Entertainment
  • 65-inch Smart TV
General
  • English
  • 38 rooms
Guest Services
  • Safe
  • Guidebooks/recommendations
  • Phone
  • Restaurant dining guide
  • Limited housekeeping
  • Iron/ironing board
Internet
  • Free WiFi, with speed of 250+ Mbps (good for 3–5 people or up to 10 devices)
Outdoors
  • Outdoor furniture
  • Rooftop terrace
Security/Safety
  • Carbon monoxide detector not reported (host has not indicated whether there is a carbon monoxide detector on the property; consider bringing a portable detector)
  • Smoke detector not reported (host has not indicated whether there is a smoke detector on the property)

Policies

Check-in
Check-in start time: 3:00 pm; check-in end time: anytime minimum check-in age: 21
Check-out
Check-out before 10:00 am
Child Policy
Children are welcome. rollaway/extra beds are not available. cribs (infant beds) are not available.
Payment Policy
Covered self parking fee: usd 40 per day (in/out privileges) pet fee: usd 150 per accommodation, per day service animals are exempt from fees the above list may not be comprehensive. fees and deposits may not include tax and are subject to change.
Pet Policy
Pets allowed for an extra charge of usd 150 per accommodation, per day service animals are welcome, and are exempt from fees welcoming dogs only

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 debit cards; cash is not accepted host has not indicated whether there is a carbon monoxide detector on the property; consider bringing a portable detector with you on the trip host has not indicated whether there is a smoke detector on the property this property has outdoor spaces, such as balconies, patios, terraces which may not be suitable for children; if you have concerns, we recommend contacting the property prior to your arrival to confirm they can accommodate you in a suitable room

Reviews

Vasilios
Oct 18, 2026 11:36:21 PM
Review Score:   10
Summary: Our stay at the Treadwell Mansion was wonderful. The location is ideal, the property is gorgeous, and our room was better than I expected. The property has a high end feel. The views from the rooftop are gorgeous. What a wonderful spot to take in Portsmouth.
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Room Arrangement

Room Info Facilities
King Veranda Residence
Room Size: m2
2 King Bed and Queen Sofa Bed
 King Veranda Residence

General

Balcony, Number of living rooms 1, No rollaway/extra beds, No cribs (infant beds), Number of bedrooms - 1, Bed count minimum 2, Bed count maximum 2
Classic King Bedroom
Room Size: 355 square feet m2
1 King Bed
Classic King Bedroom

General

Square meters - 33.0, Square feet - 355, Number of bedrooms - 1, Ping - 10.0, Bed count minimum 1, Bed count maximum 1
Heritage One-Bedroom Residence
Room Size: 355 square feet m2
1 King Bed
Heritage One-Bedroom Residence

General

Square meters - 33, Square feet - 355, Number of bedrooms - 1, Ping - 10, Bed count minimum 1, Bed count maximum 1
Grand Heritage Suite
Room Size: 1000 square feet m2
1 King Bed
Grand Heritage Suite

General

Square meters - 92.9, Square feet - 1000, Number of living rooms 1, Separate sitting area, Number of bedrooms - 1, Laptop-friendly workspace, Ping - 28.1, Bed count minimum 1, Bed count maximum 1
Signature One Bedroom Residence
Room Size: 670 square feet m2
2 King Bed and Queen Sofa Bed
Signature One Bedroom Residence

General

Square meters - 62.2, Square feet - 670, Number of living rooms 1, Number of bedrooms - 1, Laptop-friendly workspace, Ping - 18.8, Bed count minimum 2, Bed count maximum 2
Two-Bedroom Residence
Room Size: m2
3 King Beds and Queen Sofa Bed
Two-Bedroom Residence

General

Number of living rooms 1, Number of bedrooms - 2, Bed count minimum 3, Bed count maximum 3
Crown Level Suite
Room Size: 648 square feet m2
2 King Bed and Queen Sofa Bed
Crown Level Suite

General

Square meters - 60.2, Square feet - 648, Number of living rooms 1, Number of bedrooms - 1, Ping - 18.2, Bed count minimum 2, Bed count maximum 2
Presidential Suite
Room Size: m2
3 King Beds and Queen Sofa Bed
Presidential Suite

General

Number of living rooms 1, Number of bedrooms - 2, Bed count minimum 3, Bed count maximum 3

FAQ's

Is this property pet-friendly for guests?

Yes, pets are allowed at this property. Check the guest reviews to learn what guests had to share.

Does the property have a swimming pool?

No, this Treadwell Mansion does not have a swimming pool. Check the Facility Overview section for details about the pool and other available facilities.

How much does it cost per night to stay in property?

Best-rates for the Treadwell Mansion starts from $151 per night with includes Laundry, Wheelchair Accessible, Balcony/Terrace, Bedding/Linens, Internet, Kitchen, Air Conditioner, Parking, Pet Friendly, Accessibility, Wellness Facilities, Child Friendly, Heating with all other facilities. matches every traveler with their perfect accommodation, whether you are traveling with a group, friends, family, or pets.

Is property a family-friendly place to stay?

Based on the information we have received from the owner or our partner, this is considered to be a family-friendly property. Families have rated this apartment 4 stars or guests have recommended them suitable for families. As reported by the owner or manager, the apartment has specified that children are welcome. Please see details about suitability for your family or inquire with the property to learn more.

Is the property wheelchair accessible or offer services for disabled guests?

Based on the information received from our partner, the Treadwell Mansion is wheelchair accessible. Likewise, there is an elevator specified as being available at the property. Specific accessibility details may be addressed in the property details section of this page.

What is the minimum night stay policy for the property?

Based on the information reported by the owner or manager, the Treadwell Mansion indicates 1 day stay policy at this apartment. Guests are cautioned that the minimum stay policy may differ based on seasonality or availability and may be at the discretion of the owner or manager.

What cancellation policy is in place for property?

Guests are cautioned that the cancellation policy may differ based on seasonality, availability, or current travel restrictions. Guests should also be aware that this policy may be subject to change and should be confirmed prior to booking. More details may be available on this page in the property description. However, early check-in or late check-out can sometimes be negotiated between the guest and the owner or the manager of this property.