25 Blacktown Gardens, Marshfield, Cardiff, CF3 2SF
About 25 Blacktown Gardens
25 Blacktown Gardens is a detached house in Marshfield, Cardiff, Cardiff (CF3 2SF). It has a recorded floor area of 139 m² (around 1496 sq ft), construction records dating it to 2007-2011 and council tax band G. The latest certificate (April 2022) shows a C (score 79), near the top of the C band. The recommended improvements would push it to B (score 88).
Held since February 2008 — that's 18 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 139 m² it's 21.4% larger than the typical home in the postcode (114 m² median across 20 EPCs). Today's modelled estimate of £488,000 is 41% above the 2008 sale price.
Energy performance
EPC Rating
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Planning history
25 Blacktown Gardens 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
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£488,000
Modelled from EPC, postcode comparables.
£345,995
Recorded with HM Land Registry.
Sales timeline
29 February 2008Most recent
£345,995
Median price across the last 5 sales in CF3 2SF: £300,000 (2024–2021).
Nearby sales in CF3 2SF
9 Blacktown Gardens, Marshfield, Cardiff, CF3 2SF
Sold Mar 2024
£380,0003 Blacktown Gardens, Marshfield, Cardiff, CF3 2SF
Sold May 2023
£300,00032 Blacktown Gardens, Marshfield, Cardiff, CF3 2SF
Sold Dec 2022
£450,00010 Blacktown Gardens, Marshfield, Cardiff, CF3 2SF
Sold Jun 2021
£299,9505 Blacktown Gardens, Marshfield, Cardiff, CF3 2SF
Sold Apr 2021
£237,000
Versus other Blacktown Gardens homes
On floor area, 25 Blacktown Gardens stands well clear of the street.
Price per m²
£2,489
Street avg £2,578
Floor Area
139 m²
Street avg 112 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
2.8 t/year
Street avg 2.7 t/year
Similar properties nearby
1 Blacktown Gardens, Marshfield
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1 Cypress Crescent, St Mellons
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1 Acorn Place, Castleton
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1 Herbert Close, Marshfield
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1 Bayview Cottage, Wellfield Road, Marshfield
CF3 2UB
1 Groes Fawr Close, Marshfield
CF3 2AH
1 Cambrian Grove, Marshfield
CF3 2US
1 Channel View, Castleton
CF3 2UP
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
0.2 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.







