11 Gray Street, Cardiff, CF11 9NA
About 11 Gray Street
11 Gray Street is a two-bedroom semi-detached house in Cardiff (CF11 9NA). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1967-1975 and council tax band B. At 60 m² this is the 11th smallest of 15 units on EPC record in the building, where floor areas span 46–61 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (65 versus a best of 79). The latest certificate (January 2025) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (June 2013); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Very Good to Very Poor.
Across 1996–2013, sale prices on this property compounded at 8.5% per year. Today's modelled estimate of £172,000 sits 56.4% above the 2013 sale of £110,000. Last changed hands 13 years ago, in October 2013. Across the public record there are 4 sales, relatively high churn for a single property. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs).
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
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Planning history
11 Gray Street has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Price for 11 Gray Street has grown more than fourfold since the 1996 starting point.
£172,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.5% per year over 18 years.
£110,000
Growth on file: 8.5% per year over 18 years.
Sales timeline
6 October 2013Most recent
£110,000
+37.5%over 9 years21 November 2003
£80,000
+105.1%over 7 years19 September 1996
£39,000
+47.2%22 March 1996
£26,500
Median price across the last 5 sales in CF11 9NA: £106,000 (2022–2003).
Versus other Gray Street homes
11 Gray Street is notably below the street on epc rating.
EPC Rating
65 (D)
Street avg 74 (C)
Floor Area
60 m²
Street avg 55 m²
CO₂ Emissions
2.7 t/year
Street avg 1.7 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Market Place — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







