6 Rhyd Yr Helyg, Nantgarw, Cardiff, CF15 7SW
About 6 Rhyd Yr Helyg
6 Rhyd Yr Helyg is a three-bedroom mid-terrace house in Nantgarw, Cardiff, Cardiff (CF15 7SW). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (February 2025) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2015); the latest reading is one band lower. Between certificates, wall efficiency went from Poor to Average and lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 80).
It changed hands recently, sold September 2025 for £225,000. Across 2013–2025, sale prices on this property compounded at 9.6% per year. On a £-per-square-foot basis, the last sale (£265/sq ft) was about 191.6% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
Outside
- Private gardenRear
Energy performance
EPC Rating
Certificate validity
Valid until 25 February 2035
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
More low energy lighting installed
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Planning history
6 Rhyd Yr Helyg 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
Latest sale on 6 Rhyd Yr Helyg was the highest on Land Registry record across the postcode.
£209,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.6% per year over 12 years.
£225,000
Growth on file: 9.6% per year over 12 years.
Sales timeline
9 September 2025Most recent
£225,000
+104.5%over 10 years12 July 2015
£110,000
+50.7%over 2 years16 May 2013
£73,000
Median price across the last 5 sales in CF15 7SW: £90,000 (2021–2000).
Nearby sales in CF15 7SW
2 Rhyd Yr Helyg, Nantgarw, Cardiff, CF15 7SW
Sold Aug 2021
£160,0004 Rhyd Yr Helyg, Nantgarw, Cardiff, CF15 7SW
Sold Apr 2017
£90,0009 Rhyd Yr Helyg, Nantgarw, Cardiff, CF15 7SW
Sold Dec 2010
£83,00010 Rhyd Yr Helyg, Nantgarw, Cardiff, CF15 7SW
Sold Jul 2010
£100,5001 Rhyd Yr Helyg, Nantgarw, Cardiff, CF15 7SW
Sold Jun 2000
£58,000
Versus other Rhyd Yr Helyg homes
On price per m², 6 Rhyd Yr Helyg stands well clear of the street.
Price per m²
£2,848
Street avg £1,170
Floor Area
79 m²
Street avg 83 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.8 t/year
Street avg 3.6 t/year
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The neighbourhood at a glance
Crime
85/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Oxford Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







