9 Blethin Close, Cardiff, CF5 2RR
About 9 Blethin Close
9 Blethin Close is a one-bedroom mid-terrace house in Cardiff (CF5 2RR). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1976-1982 and council tax band C. At 43 m² this is the 6th smallest of 34 units on EPC record in the building, where floor areas span 40–143 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (September 2023) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since August 2012. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Good to Average.
At 43 m² it sits well below the postcode median (64 m² across 33 EPCs), making it one of the more compact homes locally. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Sold July 2024 for £135,000. Across the public record there are 5 sales, relatively high churn for a single property. Across 2001–2024, sale prices on this property compounded at 4.4% per year. On a £-per-square-foot basis, the last sale (£292/sq ft) was about 57% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- ParkingAllocated
Building
- Heating systemGas
Energy performance
9 Blethin Close's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
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Planning history
9 Blethin Close has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 2001.
£143,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 23 years.
£135,000
Growth on file: 4.4% per year over 23 years.
Sales timeline
11 July 2024Most recent
£135,000
+32.4%over 4 years30 April 2020
£102,000
+9.7%over 7 years7 November 2012
£93,000
+36.9%over 9 years29 November 2002
£67,950
+35.9%over 1 year26 April 2001
£50,000
Median price across the last 5 sales in CF5 2RR: £274,000 (2025–2023).
Versus other Blethin Close homes
9 Blethin Close outperforms the street on co₂ emissions by a wide margin.
Price per m²
£3,140
Street avg £2,371
Floor Area
43 m²
Street avg 43 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.2 t/year
Street avg 1.8 t/year
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Blethin Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







