11 Caldey Island House, Ferry Court, Cardiff, CF11 0JN
About 11 Caldey Island House
11 Caldey Island House is a one-bedroom mid-terrace house in Cardiff (CF11 0JN). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 2003-2006 and council tax band D. The latest certificate (January 2023) shows a C (score 74). Earlier certificates rated it B (May 2009); the latest reading is one band lower. Between certificates, hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 84). Main heating runs on electricity. At 41 m² this is the 9th smallest of 86 units on EPC record in the building, where floor areas span 36–87 m². The building's EPC ratings span E to B across 86 units on file.
At 41 m² it sits well below the postcode median (61 m² across 85 EPCs), making it one of the more compact homes locally. Last sale on file: £120,000 in August 2019. Across the public record there are 4 sales, relatively high churn for a single property. Across 2006–2019, sale prices on this property compounded at -1.4% per year.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- Shared gardenYes
- ParkingAllocated
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Heating controls changed
Hot water efficiency decreased
Low energy lighting percentage decreased
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency improved
Low energy lighting percentage decreased
Heating system upgraded to a more efficient system
Hot water system changed
More low energy lighting installed
Heating system changed
Hot water system upgraded
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
11 Caldey Island 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
11 Caldey Island House's sale-price growth has lagged the wider UK trajectory across its history on file.
£128,000
Modelled from EPC, postcode comparables and a sale-price growth of -1.4% per year over 13 years.
£120,000
Growth on file: -1.4% per year over 13 years.
Sales timeline
14 August 2019Most recent
£120,000
+5.3%over 3 years29 September 2015
£114,000
+32.6%over 2 years3 July 2013
£86,000
-40.7%over 7 years29 June 2006
£145,000
Median price across the last 5 sales in CF11 0JN: £135,000 (2025–2024).
Nearby sales in CF11 0JN
1 Caldey Island House, Ferry Court, Cardiff, CF11 0JN
Sold Sept 2025
£205,00056 Caldey Island House, Ferry Court, Cardiff, CF11 0JN
Sold Aug 2025
£85,00028 Caldey Island House, Ferry Court, Cardiff, CF11 0JN
Sold Jun 2025
£130,00071 Caldey Island House, Ferry Court, Cardiff, CF11 0JN
Sold Oct 2024
£145,00069 Caldey Island House, Ferry Court, Cardiff, CF11 0JN
Sold May 2024
£135,000
Versus other Ferry Court homes
On floor area, 11 Caldey Island House runs well behind the street norm.
Price per m²
£2,927
Street avg £3,073
Floor Area
41 m²
Street avg 59 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 1.7 t/year
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The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 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.







