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Guest house · Rome · Lazio

Cosmo Terzo Guesthouse Roma

A 4-star guesthouse in Rome with soundproofed rooms, free Wi-Fi, and a central location.

  • Soundproofed rooms
  • Free Wi-Fi
  • Air conditioning
8.8 Great 113 reviews Booking.com 8.8 · 113 reviews

About

Cosmo Terzo Guesthouse Roma

Cosmo Terzo Guesthouse Roma is a 4-star property located on Via Rattazzi in Rome, Italy. It offers a range of amenities designed for comfort, including air conditioning, heating, soundproofed rooms, and free Wi-Fi. The guesthouse operates on a strict no-smoking policy and does not allow pets.

The property features rooms such as the Budget Twin, Private Bathroom Double, and Private Bathroom Triple, all with street views. Security measures include key card access, key access, and a lift. With a rating of 8.8 from 113 reviews, it scores particularly well for staff (9.4) and rooms (9.1).

  • No smoking on site
  • Wi-Fi
  • No pets allowed
  • Security
  • Lift
  • Fire extinguishers

In brief

What works, what to weigh

+

Strengths

3 reasons to book
  • Excellent staff — Guest reviews highlight the staff's helpfulness and attentiveness, contributing to a high staff rating of 9.4.
  • Comfortable rooms — Rooms are rated 9.1, indicating a high level of satisfaction with comfort and amenities.
  • Good service — Service and value both score 8.8, reflecting a consistent quality of experience.
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Worth weighing

4 to weigh
  • No on-site parking — Parking is not mentioned in the property policies, so you may need to arrange parking separately.
  • Limited check-in window — Check-in is only from 14:00 to 23:00, so late arrivals may need to make special arrangements.
  • No pets allowed — The property does not permit pets, which may be a drawback for those traveling with animals.
  • Compact rooms — The Budget Twin Room and other options may be smaller compared to full-service hotels.

01 — Rooms

Rooms & rates

High season: summer dates usually book out a few weeks ahead.

Budget Twin Room

  • 2 Single beds
  • Street view
  • Shower
  • Heating
  • Air conditioning

Private Bathroom Double Room

  • 1 Double bed
  • Street view
  • Private bathroom

Private Bathroom Triple Room

  • Sleeping arrangements for 3 persons
  • Street view
  • Private bathroom

02 — Amenities

Services & amenities

Everything included at this stay — the facilities and essentials, at a glance.

General

  • No smoking on site
  • Wi-Fi
  • Security
  • Lift
  • Fire extinguishers
  • Key card access
  • Key access

Comfort

  • Air conditioning
  • Heating
  • Soundproofed rooms

In-room

  • Free toiletries
  • Electric kettle
  • Flat-screen TV
  • Parquet floor

03 — Reviews

What guests say

Recent verified reviews from guests who stayed here.

8.8
Great 113 reviews

Guest-rated 8.8/10 from 113 reviews

Booking.com · 8.8 · 113 reviews

04 — Location

Getting around Rome

The property sits in Rome.

Via Rattazzi, 57 Terzo Piano Int.9, Rome, Lazio, Italy

Open in Google Maps

05 — Good to know

Policies & conditions

Hotel details are shown for reference. Final rate terms are confirmed on the partner’s site at booking.

Check-in
From 14:00-23:00
Check-out
By 11:00
Cancellation
Free cancellation on many rates — terms on booking page
Payment
Pay-at-hotel available on many rates; final terms at booking
Pets
Not allowed

06 — Questions

Frequently asked

What are the check-in and check-out times?

Check-in is from 14:00 to 23:00, and check-out is until 11:00.

Is parking available at the guesthouse?

The property does not list any parking options, so you may need to find public parking nearby.

Are pets allowed?

No pets are allowed at Cosmo Terzo Guesthouse Roma.

Does the guesthouse have air conditioning?

Yes, air conditioning is listed as an amenity and is available in the rooms.

Are there family rooms or triple rooms?

Yes, the Private Bathroom Triple Room can accommodate up to three guests.

Is there a lift at the property?

Yes, the guesthouse has a lift for easy access to upper floors.

Nearby

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Want a different style or budget? Here are more highly-rated options in the area.

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Domus Equi

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Giolitti Rooms

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The bottom line

Cosmo Terzo Guesthouse Roma is a solid choice for travelers seeking a well-run guesthouse in Rome, with strong staff and room ratings. Its soundproofing and central location offer comfort, but the lack of parking and strict check-in hours require planning.

8.8A reliable, comfortable stay with excellent service.

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