12 Pentwyn Terrace, Marshfield, Cardiff, CF3 2TW
About 12 Pentwyn Terrace
12 Pentwyn Terrace is a four-bedroom end-of-terrace house in Marshfield, Cardiff, Cardiff (CF3 2TW). It has a recorded floor area of 128 m² (around 1378 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (January 2017) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76).
At 128 m² the property is well over the postcode median (90 m² across 23 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £329,000 is 37.1% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£174/sq ft) was about 16.8% above the typical sold price in the postcode. 9 years since the last transfer (August 2017).
What this property has
Inside
- Bedrooms4
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
Building
- Central heatingYes
Energy performance
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
12 Pentwyn Terrace has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12 Pentwyn Terrace valuation sits well clear of the typical sold price in this postcode.
£329,000
Modelled from EPC, postcode comparables.
£240,000
Recorded with HM Land Registry.
Sales timeline
10 August 2017Most recent
£240,000
Median price across the last 5 sales in CF3 2TW: £220,000 (2025–2022).
Nearby sales in CF3 2TW
20 Pentwyn Terrace, Marshfield, Cardiff, CF3 2TW
Sold Apr 2025
£240,00025 Pentwyn Terrace, Marshfield, Cardiff, CF3 2TW
Sold Nov 2024
£220,00014 Pentwyn Terrace, Marshfield, Cardiff, CF3 2TW
Sold Oct 2024
£215,00015 Pentwyn Terrace, Marshfield, Cardiff, CF3 2TW
Sold Sept 2022
£190,000Elmfield, Pentwyn Terrace, Marshfield, Cardiff, CF3 2TW
Sold Jan 2022
£231,500
Versus other Pentwyn Terrace homes
CO₂ Emissions for 12 Pentwyn Terrace lags the street by a wide margin.
Price per m²
£1,875
Street avg £2,023
Floor Area
128 m²
Street avg 98 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
5.1 t/year
Street avg 3.6 t/year
Similar properties nearby
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1 Blacktown Gardens, Marshfield
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Pentwyn Terrace — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







