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Get started10 Cynllan Avenue is a detached house in Llanharan, Pontyclun, Pontyclun (CF72 9UL). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (March 2026) shows a C (score 70). The rating has held steady at C across 4 certificates since June 2010. Between certificates, roof efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
Sale prices here have outpaced England HPI: 3.8% per year against 0% for the wider region. Today's modelled estimate of £283,000 sits 69.5% above the 2021 sale of £167,000. On a £-per-square-foot basis, the last sale (£194/sq ft) was about 28.8% above the typical sold price in the postcode. Last sale on file: £167,000 in March 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
The EPC has just been inspected, so the rating reflects current condition.
10 Cynllan Avenue's estimated value is more than triple its earliest registered sale price (2002).
£283,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.8% per year over 18 years.
£167,000
Growth on file: 3.8% per year over 18 years.
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Detailed AI analysis
EPC Rating for 10 Cynllan Avenue lags the street by a wide margin.
Price per m²
£2,088
Street avg £2,032
Floor Area
80 m²
Street avg 79 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Terry's Way — bus stop.
Changes detected from historical EPC data
Window efficiency improved
Floor insulation added or improved
More low energy lighting installed
Heating controls changed
Hot water efficiency decreased
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
Hot water efficiency improved
Wall insulation upgraded
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
5 March 2021Most recent
£167,000
+96.5%over 18 years20 December 2002
£84,995
Median price across the last 5 sales in CF72 9UL: £215,000 (2024–2022).
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CO₂ Emissions
2.7 t/year
Street avg 2.2 t/year
CF72 9EH