31 Cymmer Street, Cardiff, CF11 7AB
About 31 Cymmer Street
31 Cymmer Street is a three-bedroom mid-terrace house in Cardiff (CF11 7AB). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (June 2022) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in November 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Very Poor to Poor and lighting went from Good to Very Good. The recommended improvements would lift it to B (score 86), a 2-band jump. Period features are noted in the property record.
It changed hands recently, sold February 2026 for £320,000. At 109 m² it's 27.5% larger than the typical home in the postcode (86 m² median across 28 EPCs). Across 1995–2026, sale prices on this property compounded at 8.1% per year. On a £-per-square-foot basis, the last sale (£273/sq ft) was about 67.8% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Open-plan layoutYes
- FireplaceYes
Building
- Period featuresYes
Everything you need to know about 31 Cymmer Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 8 June 2032
Property Improvements
Changes detected from historical EPC data
Loft insulation installed or upgraded to 250mm+
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
31 Cymmer Street has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Price for 31 Cymmer Street has grown more than fourfold since the 1995 starting point.
£333,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.1% per year over 30 years.
£320,000
Growth on file: 8.1% per year over 30 years.
Sales timeline
6 February 2026Most recent
£320,000
+8.5%over 3 years15 September 2022
£295,000
+100.0%over 16 years1 May 2006
£147,500
+391.7%over 10 years17 August 1995
£30,000
Median price across the last 5 sales in CF11 7AB: £285,000 (2026–2023).
Nearby sales in CF11 7AB
Versus other Cymmer Street homes
On epc rating, 31 Cymmer Street stands well clear of the street.
Price per m²
£2,936
Street avg £1,794
Floor Area
109 m²
Street avg 115 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
3.9 t/year
Street avg 5.2 t/year
Everything you need to know about 31 Cymmer Street
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
362/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cymmer Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.