St Mellons Hotel & Spa

Castleton, Cardiff Outskirts, Cardiff, United Kingdom - 15 min drive
7.7/10 · 426 reviews

10 minutes by car from Tredegar House, the 3-star St Mellons Hotel & Spa Cardiff includes 20 rooms. This Cardiff hotel in the Cardiff Outskirts district has a swimming pool, as well as parking on site.

Location

Surrounded by gardens, the traditional hotel is a 37-minute drive from Cardiff airport. The property is located 10 minutes' drive from Angling Centre in Cardiff. This accommodation is at a medium distance from Fort Grey and Shipwreck Museum. There is Post Office Castelton bus stop about 10 minutes' walk away.

Rooms

The St Mellons Cardiff offers rooms with a seating area featuring an iron with ironing board, along with a flat-screen TV with satellite channels. Bathrooms are equipped with a bidet, a walk-in shower, and a separate toilet, as well as comforts such as a hairdryer and bath sheets.

Why choose St Mellons Hotel & Spa Cardiff

Select room
  • Brand new steam room

  • Indoor swimming pool

  • On-site health club

  • Free Wi-Fi in rooms

Main amenities

  • Free Wi-Fi

  • Child-friendly

General
  • Free Wi-Fi
  • Child-friendly
1/31

Internet

  • Free Wi-Fi in rooms

Parking options

  • Parking

In the kitchen

  • Electric kettle

For kids

  • Cots

In the rooms

  • Sitting area
  • Tea and coffee facilities
  • Ironing facilities

In the bathroom

  • Free toiletries

Devices

  • Flat-screen TV
  • AM/FM alarm clock

Design

  • Carpeted floor

Important information

Check-in:
from 14:00 until 23:59
Check-out:
until 11:00
  • Children and extra beds
  • One child under the age of 1 may stay at the price of £ 20 per person per night in a cot.
  • One child under the age of 11 may stay at the price of £ 20 per person per night in an extra bed.
  • All children under the age of 17 may stay free of charge when using existing beds.

When are you staying?

From USD 386 per night
Check-in 2 Jul 2026
Check-out 3 Jul 2026
Guests 2 guests

Adults:

2

Children:

0
All rates verified
How we verified prices Our team regularly checks prices to make sure you see the lowest available rates. We compare them with hotel prices and other providers. If discounts or promotions appear, prices on our site are updated accordingly.

Rooms

Photos of St Mellons Hotel & Spa Cardiff

Location of St Mellons Hotel & Spa Cardiff

Castleton, Cardiff Outskirts, Cardiff, United Kingdom

 -  15 min drive
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    100% Verified Reviews
    When are you staying?
    From USD 386 per night
    Check-in 2 Jul 2026
    Check-out 3 Jul 2026
    Guests 2 guests

    Adults:

    2

    Children:

    0
    All rates verified
    How we verified prices Our team regularly checks prices to make sure you see the lowest available rates. We compare them with hotel prices and other providers. If discounts or promotions appear, prices on our site are updated accordingly.
    Check-in & out
    2 Jul 2026
    3 Jul 2026
    Guests
    2 guests
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    Important information
    St Mellons Hotel & Spa
    Check-in:
    from 14:00 until 23:59
    Check-out:
    until 11:00
    • Children and extra beds
    • One child under the age of 1 may stay at the price of £ 20 per person per night in a cot.
    • One child under the age of 11 may stay at the price of £ 20 per person per night in an extra bed.
    • All children under the age of 17 may stay free of charge when using existing beds.