12 Bryn Siriol, Pentyrch, Cardiff, CF15 9QU
About 12 Bryn Siriol
12 Bryn Siriol is a detached house in Pentyrch, Cardiff, Cardiff (CF15 9QU). It has a recorded floor area of 119 m² (around 1286 sq ft), construction records dating it to 1976-1982 and council tax band F. The latest certificate (February 2010) shows a D (score 63), on the cusp of jumping into the C band. The latest certificate is from February 2010, so improvements made since then won't be reflected.
Held since June 2010 — that's 16 years off the open market, well above the local norm. Across 1996–2010, sale prices on this property compounded at 8.2% per year. Today's modelled estimate of £401,000 sits 75.5% above the 2010 sale of £228,500.
Energy performance
12 Bryn Siriol's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Feb 2020
EPC Rating
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Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
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Planning history
12 Bryn Siriol has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
12 Bryn Siriol has more than tripled in price since its earliest registered sale in 1996.
£401,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.2% per year over 14 years.
£228,500
Growth on file: 8.2% per year over 14 years.
Sales timeline
7 June 2010Most recent
£228,500
+200.7%over 14 years29 May 1996
£76,000
Median price across the last 4 sales in CF15 9QU: £286,125 (2020–2007).
Versus other Bryn Siriol homes
Floor Area for 12 Bryn Siriol lags the street by a wide margin.
EPC Rating
63 (D)
Street avg 63 (D)
Floor Area
119 m²
Street avg 133 m²
CO₂ Emissions
5.3 t/year
Street avg 5.2 t/year
Habitable Rooms
5 rooms
Street avg 6 rooms
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Pentyrch Surgery — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







