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Get started1 Heol Celynnen is a four-bedroom detached house in Llanharry, Pontyclun, Pontyclun (CF72 9GF). It has a recorded floor area of 127 m² (around 1367 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (March 2025) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since May 2012. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 85). Other recorded features include a conservatory.
Sale prices here have outpaced England HPI: 4.9% per year against 0% for the wider region. Today's modelled estimate of £377,000 is 28.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£214/sq ft) was about 19.4% above the typical sold price in the postcode. At 127 m² the property is well over the postcode median (58 m² across 6 EPCs), placing it in the larger end of the local stock. Sold February 2021 for £292,500. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.
1 Heol Celynnen has 2 separate extension applications on the council record.
Latest sale on 1 Heol Celynnen was the highest on Land Registry record across the postcode.
£377,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.9% per year over 18 years.
£292,500
Growth on file: 4.9% per year over 18 years.
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On years held, 1 Heol Celynnen runs well behind the street norm.
Price per m²
£2,303
Street avg £2,343
Floor Area
127 m²
Street avg 60 m²
Habitable Rooms
8 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
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Rear of property
Single storey tiled conservatory to rear of property
Extension: Single storey · Rear of property
Single storey tiled conservatory to rear of property
25 February 2021Most recent
£292,500
+43.4%over 8 years14 September 2012
£204,000
+13.4%over 8 years27 August 2004
£179,950
+45.2%over 1 year7 March 2003
£123,950
Median price across the last 5 sales in CF72 9GF: £141,000 (2020–2015).
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Full planning history
Every application and decision on record
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CO₂ Emissions
3.1 t/year
Street avg 2.1 t/year
CF72 9WU