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Get started4 Clos Gwernen is a three-bedroom semi-detached house in Llanharry, Pontyclun, Pontyclun (CF72 9GH). It has a recorded floor area of 90 m² (around 963 sq ft), construction records dating it to 2003-2006 and council tax band D. The latest certificate (October 2011) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since March 2009. Between certificates, window efficiency went from Average to Good. The latest certificate is from October 2011, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 2.5% per year against 0% for the wider region. Today's modelled estimate of £245,000 is 22.5% above the 2021 sale price. At 90 m² the property is well over the postcode median (61 m² across 9 EPCs), placing it in the larger end of the local stock. Sold April 2021 for £200,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
4 Clos Gwernen's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 13 Oct 2021
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£245,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.5% per year over 16 years.
£200,000
Growth on file: 2.5% per year over 16 years.
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Detailed AI analysis
4 Clos Gwernen is notably below the street on years held.
Price per m²
£2,234
Street avg £2,105
Floor Area
90 m²
Street avg 78 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Llechau Farm — bus stop.
Changes detected from historical EPC data
Window efficiency improved
Loft insulation upgraded to recommended levels
Floor insulation added or improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
22 April 2021Most recent
£200,000
+51.5%over 11 years21 May 2009
£132,000
-2.9%over 3 years22 September 2005
£135,995
Median price across the last 5 sales in CF72 9GH: £179,950 (2025–2018).
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CO₂ Emissions
2.4 t/year
Street avg 2.3 t/year
CF72 9HS