19 Carmarthen Street, Cardiff, CF5 1QG
About 19 Carmarthen Street
19 Carmarthen Street is a mid-terrace house in Cardiff (CF5 1QG). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (December 2024) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump.
It hasn't traded since September 1999, a hold of 27 years that's notably long for the area. Across 1995–1999, sale prices on this property compounded at 6.8% per year. Today's modelled estimate of £312,000 sits 373.1% above the 1999 sale of £65,950. On a £-per-square-foot basis, the last sale (£64/sq ft) was about 66.5% below the postcode norm. At 96 m² it's 28% larger than the typical home in the postcode (75 m² median across 15 EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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
19 Carmarthen Street has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
19 Carmarthen Street's modelled value sits at over four times its earliest registered sale price (1995).
£312,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 4 years.
£65,950
Growth on file: 6.8% per year over 4 years.
Sales timeline
5 September 1999Most recent
£65,950
+32.0%over 4 years6 June 1995
£49,950
Median price across the last 5 sales in CF5 1QG: £255,000 (2022–2019).
Nearby sales in CF5 1QG
Versus other Carmarthen Street homes
19 Carmarthen Street is notably below the street on price per m².
Price per m²
£687
Street avg £2,755
Floor Area
96 m²
Street avg 86 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
4.0 t/year
Street avg 4.1 t/year
Similar properties nearby
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1 Aubrey Avenue
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Carmarthen Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







