23, St. Mary Street, Cardiff, CF10 1GB
23  St. Mary Street

23 St. Mary StreetHouse Prices / Wales, Cardiff, St. Mary Street, CF10 1GB

Last updated Jun 2026

Key Building Insights

23 St. Mary Street is a residential building situated on St. Mary Street, Cardiff, CF10 with 6 addresses.

It ranks as the 166th largest and 166th most expensive of the 317 buildings in the CF10 area. The dominant property type is a period flat built between 1800 and 1911.

The building contains a total of 6 properties: 6 flats.

6
Properties
  • Flats

Our partners and
data sources

Get a Fast Offer from
We buy any home logo
Get a Mortgage
or re-mortgage
Blog header image

House Pricesin 23 St. Mary Street

Sale prices range from £83,465 for 1 bedroom Leasehold flats with a garden (398 ft2) to £165,265 for 2 bedroom Leasehold flats (602 ft2) .

Monthly rental prices range from £608 pcm for 1 bed flats to £1,100 pcm for 2 bed flats.

The gross rental yield is between 8.0% and 8.7%.

The average value per square foot is £250.

Average Sale Value
£144,431
Average Rental Value
£981 pcm
Average Rental Yield
8.2% /year
Average Value Per Sqft
£250 /ft2
Prices last updated 1st June 2026
Blog header image
Blog header image
properties list title title

Property Typesin 23 St. Mary Street

  • 6 period flats built between 1800 and 1911
  • period flat (6)
Energy Efficiency

Energy Efficiencyof properties in 23 St. Mary Street

  • Energy Performance Certificate (EPC) surveys conducted for 6 properties.
  • The dominant rating is E.
  • A (0)
  • E (4)
  • B (0)
  • F (0)
  • C (0)
  • G (0)
  • D (2)
  • No EPC (0)
properties list title title
Schools Nearby

Schools Nearby

      More reading links
      Source: Ofsted 2026
      Public Transport Nearby

      Public Transport Nearby

      The closest station to 23, St. Mary Street, Cardiff, CF10 1GB is Cardiff Central station, which is 400 metres away.

      • 400
        m
        Cardiff Central
      • 600
        m
        Cardiff Queen Street
      • 1.1
        km
        Cathays
      • 1.5
        km
        Grangetown (Cardiff)
      Source: National Rail
      Loading...
      Loading...
      Loading...
      Loading...