23 Flatholm House, Ferry Court, Cardiff, CF11 0JB
About 23 Flatholm House
23 Flatholm House is a one-bedroom mid-terrace house in Cardiff (CF11 0JB). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 2003-2006 and council tax band D. The latest certificate (May 2019) returns a high B (score 87), putting the home a stone's throw from an A rating. The rating has held steady at B across 3 certificates since October 2008. Between certificates, lighting went from Average to Very Good and main heating went from Poor to Average. Main heating runs on electricity. At 56 m² this is the 21st smallest of 46 units on EPC record in the building, where floor areas span 38–88 m². The building's EPC ratings span D to B, with this unit at the top. On EPC score it ranks first in the building (87 versus a worst of 57).
Its energy rating outperforms most of the postcode (better than 78% of similar EPCs). Across 2003–2023, sale prices on this property compounded at -1.7% per year. Today's modelled estimate of £121,000 is 26% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£159/sq ft) was about 25.1% below the postcode norm. Most recent transfer: June 2023 at £96,000.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- GarageDouble
Building
- LiftYes
Energy performance
23 Flatholm House's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Heating system upgraded to a more efficient system
Heating controls changed
Hot water efficiency improved
Wall insulation upgraded
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
23 Flatholm House has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
23 Flatholm House's sale-price growth has lagged the wider UK trajectory across its history on file.
£121,000
Modelled from EPC, postcode comparables and a sale-price growth of -1.7% per year over 20 years.
£96,000
Growth on file: -1.7% per year over 20 years.
Sales timeline
29 June 2023Most recent
£96,000
-28.9%over 19 years10 November 2003
£135,000
Median price across the last 5 sales in CF11 0JB: £107,000 (2025–2020).
Nearby sales in CF11 0JB
38 Flatholm House, Ferry Court, Cardiff, CF11 0JB
Sold Aug 2025
£175,00035 Flatholm House, Ferry Court, Cardiff, CF11 0JB
Sold May 2025
£107,00028 Flatholm House, Ferry Court, Cardiff, CF11 0JB
Sold Dec 2024
£55,0002 Flatholm House, Ferry Court, Cardiff, CF11 0JB
Sold Sept 2021
£105,00021 Flatholm House, Ferry Court, Cardiff, CF11 0JB
Sold Feb 2020
£165,000
Versus other Ferry Court homes
On epc rating, 23 Flatholm House stands well clear of the street.
Price per m²
£1,714
Street avg £2,304
Floor Area
56 m²
Street avg 62 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.3 t/year
Street avg 1.8 t/year
Similar properties nearby
1 Kilcredaun House, Ferry Court
CF11 0JG
10 Duncansby House, Ferry Court
CF11 0AT
1 Great Ormes House, Ferry Court
CF11 0JD
1 Dovercourt House, Ferry Court
CF11 0AS
1 Eddystone House, Ferry Court
CF11 0AU
1 Lady Isle House, Ferry Court
CF11 0JH
1 Grangemoor Court
CF11 0AR
10 Burford Gardens
CF11 0AP
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Prospect Place — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







