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Get started6 Cwrt Ywen is a detached house in Llanharry, Pontyclun, Pontyclun (CF72 9GE). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (December 2012) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (July 2009); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good; while window efficiency dropped from Good to Average and lighting dropped from Good to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from December 2012, so improvements made since then won't be reflected.
At 107 m² the property is well over the postcode median (79 m² across 9 EPCs), placing it in the larger end of the local stock. Sale prices here have lagged England HPI: -23.6% per year against 0% for the wider region. Today's modelled estimate of £332,000 sits 9385.7% above the 2017 sale of £3,500. On a £-per-square-foot basis, the last sale (£3/sq ft) was about 98.3% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 9 years ago, in June 2017.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 13 Dec 2022
6 Cwrt Ywen has 2 separate extension applications on the council record.
Certificate of Lawful Development Application for a rear extension
Latest sale on 6 Cwrt Ywen was the lowest on Land Registry record across the postcode.
£332,000
Modelled from EPC, postcode comparables and a sale-price growth of -23.6% per year over 14 years.
£3,500
Growth on file: -23.6% per year over 14 years.
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Detailed AI analysis
Price per m² for 6 Cwrt Ywen lags the street by a wide margin.
Price per m²
£33
Street avg £2,163
Floor Area
107 m²
Street avg 80 m²
Habitable Rooms
6 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
Roof insulation improved
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
Certificate of Lawful Development Application for a rear extension
2 June 2017Most recent
£3,500
-97.7%over 14 years12 May 2003
£154,000
Median price across the last 5 sales in CF72 9GE: £151,500 (2025–2019).
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Street avg 5 rooms
CO₂ Emissions
4.1 t/year
Street avg 3.2 t/year
CF72 9LG