3 Groes Fawr Close, Marshfield, Cardiff, CF3 2AH
About 3 Groes Fawr Close
3 Groes Fawr Close is a detached house in Marshfield, Cardiff, Cardiff (CF3 2AH). It has a recorded floor area of 267 m² (around 2874 sq ft) and construction records dating it to 2012 onwards. The latest certificate (March 2025) returns a high B (score 88), putting the home a stone's throw from an A rating. The rating has held steady at B across 2 certificates since January 2015. Between certificates, wall efficiency went from Good to Very Good; while window efficiency dropped from Very Good to Good.
At 267 m² the property is well over the postcode median (204 m² across 4 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £828,000 is 42.8% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£202/sq ft) was about 21.4% below the postcode norm. 12 years since the last transfer (December 2014).
Everything you need to know about 3 Groes Fawr Close
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
Achieving this rating across a home of this size is uncommon — larger homes typically score lower.
EPC Rating
Certificate validity
Valid until 2 March 2035
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Wall insulation improved
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Planning history
3 Groes Fawr Close 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
3 Groes Fawr Close valuation sits well clear of the typical sold price in this postcode.
£828,000
Modelled from EPC, postcode comparables.
£580,000
Recorded with HM Land Registry.
Sales timeline
19 December 2014Most recent
£580,000
Median price across the last 5 sales in CF3 2AH: £595,000 (2024–2015).
Versus other Groes Fawr Close homes
On epc rating, 3 Groes Fawr Close stands well clear of the street.
Price per m²
£2,172
Street avg £2,699
Floor Area
267 m²
Street avg 194 m²
CO₂ Emissions
3.0 t/year
Street avg 2.7 t/year
Years Held
12 years
Street avg 8 years
Everything you need to know about 3 Groes Fawr Close
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Crime
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Marshfield Stores — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.