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Get started20 Argoed Avenue is an end-of-terrace house in Llanharan, Pontyclun, Pontyclun (CF72 9PJ). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (December 2014) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (June 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Poor and main heating went from Average to Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 78), a 2-band jump. The latest certificate is from December 2014, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 13.2% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£251/sq ft) was about 67.1% above the typical sold price in the postcode. At 87 m² it's 21.7% larger than the typical home in the postcode (72 m² median across 20 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: May 2023 at £235,000.
20 Argoed Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
This certificate is over 10 years old and is no longer valid.Expired 04 Dec 2024
Multiple extension applications run across more than a decade of planning history at 20 Argoed Avenue.
Extension: Single storey · Rear of property
First floor rear extension.
Latest sale on 20 Argoed Avenue was the highest on Land Registry record across the postcode.
£235,000
Modelled from EPC, postcode comparables and a sale-price growth of 13.2% per year over 8 years.
£235,000
Growth on file: 13.2% per year over 8 years.
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Habitable Rooms for 20 Argoed Avenue runs comfortably ahead of the street norm.
Price per m²
£2,701
Street avg £1,820
Floor Area
87 m²
Street avg 76 m²
Habitable Rooms
6 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
Hillside Avenue — bus stop.
Changes detected from historical EPC data
More low energy lighting installed
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Rear of property
First floor rear extension.
2 more applications for this property
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23 May 2023Most recent
£235,000
+176.5%over 8 years10 March 2015
£85,000
Median price across the last 5 sales in CF72 9PJ: £150,000 (2025–2020).
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Every application and decision on record
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Street avg 5 rooms
CO₂ Emissions
4.8 t/year
Street avg 2.9 t/year