18 Blacktown Gardens, Marshfield, Cardiff, CF3 2SF
About 18 Blacktown Gardens
18 Blacktown Gardens is a four-bedroom detached house in Marshfield, Cardiff, Cardiff (CF3 2SF). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (May 2017) shows a C (score 74). The recommended improvements would push it to B (score 84).
Across 2007–2017, sale prices on this property compounded at 1.7% per year. Today's modelled estimate of £401,000 is 40.7% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£255/sq ft) was about 16.6% above the typical sold price in the postcode. Last changed hands 9 years ago, in August 2017.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- Utility roomYes
- EnsuiteYes
- StudyYes
Outside
- GarageYes
Energy performance
EPC Rating
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Planning history
18 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
18 Blacktown Gardens valuation sits well clear of the typical sold price in this postcode.
£401,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.7% per year over 10 years.
£285,000
Growth on file: 1.7% per year over 10 years.
Sales timeline
31 August 2017Most recent
£285,000
+18.8%over 10 years16 August 2007
£240,000
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
18 Blacktown Gardens is notably below the street on epc rating.
Price per m²
£2,740
Street avg £2,565
Floor Area
104 m²
Street avg 114 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
2.9 t/year
Street avg 2.7 t/year
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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
0.2 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.







