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 10th 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.
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 79% of similar EPCs). Across 1996–2013, sale prices on this property compounded at 8.5% per year. Today's modelled estimate of £164,000 is 49.1% above the 2013 sale price.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
Energy performance
EPC Rating
Certificate validity
Valid until 6 January 2035
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.
£164,000
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
362/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.







