3 Carmarthen Street, Cardiff, CF5 1QG
About 3 Carmarthen Street
3 Carmarthen Street is a two-bedroom mid-terrace house in Cardiff (CF5 1QG). It has a recorded floor area of 132 m² (around 1421 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (May 2014) shows an E (score 47), well below the UK norm with real room to improve. Earlier certificates rated it D (November 2013); the latest reading is one band lower. Between certificates, roof efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 77), a 2-band jump. The latest certificate is from May 2014, so improvements made since then won't be reflected. Period features are noted in the property record.
At 132 m² the property is well over the postcode median (75 m² across 15 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Last sale on file: £305,000 in August 2022. Across the public record there are 7 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2002–2022, sale prices on this property compounded at 5.7% per year.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- Utility roomYes
- CloakroomYes
Outside
- Private gardenRear
Building
- Period featuresYes
- RefurbishedYes
Energy performance
3 Carmarthen Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 May 2024
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
3 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
Latest sale on 3 Carmarthen Street was the highest on Land Registry record across the postcode.
£328,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 20 years.
£305,000
Growth on file: 5.7% per year over 20 years.
Sales timeline
1 August 2022Most recent
£305,000
+19.6%over 2 years22 November 2019
£255,000
+28.1%over 4 years6 November 2015
£199,000
+4.8%over 1 year12 December 2013
£189,950
+27.5%over 8 years29 September 2005
£149,000
+25.2%over 2 years29 September 2003
£119,000
+15.5%over 11 months8 November 2002
£103,000
Median price across the last 5 sales in CF5 1QG: £240,000 (2020–2017).
Nearby sales in CF5 1QG
Versus other Carmarthen Street homes
Years Held for 3 Carmarthen Street lags the street by a wide margin.
Price per m²
£2,311
Street avg £2,523
Floor Area
132 m²
Street avg 83 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
7.7 t/year
Street avg 3.8 t/year
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1 Birchfield Crescent
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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.







