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Get started15 Penygroes is a four-bedroom detached house in Groesfaen, Pontyclun, Pontyclun (CF72 8PA). It has a recorded floor area of 180 m² (around 1938 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (February 2026) shows a C (score 72). When first surveyed in October 2009 the rating was E, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Average to Very Good and main heating went from Average to Good; while wall efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 7.9% per year against 0% for the wider region. Today's modelled estimate of £533,000 is 28.6% above the 2015 sale price. One planning record on file: an extension approved in 2025. Past consents include an extension, meaningful when judging how the property has evolved. On the market in October 2015 and unlisted since — roughly 11 years.
The EPC has just been inspected, so the rating reflects current condition.
Council records include a two-storey rear extension at 15 Penygroes.
Extension: Two storey · Rear of property
Two storey duo-pitch extension to rear elevation.
15 Penygroes valuation sits well clear of the typical sold price in this postcode.
£533,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.9% per year over 6 years.
£414,500
Growth on file: 7.9% per year over 6 years.
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Detailed AI analysis
15 Penygroes outperforms the street on epc rating by a wide margin.
Price per m²
£2,303
Street avg £2,531
Floor Area
180 m²
Street avg 174 m²
Habitable Rooms
7 rooms
Street avg 8 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Groes-faen Houses — bus stop.
Changes detected from historical EPC data
Switched from oil to mains gas, reducing emissions and costs
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Roof insulation improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
22 October 2015Most recent
£414,500
+53.5%over 5 years5 March 2010
£270,000
Median price across the last 5 sales in CF72 8PA: £535,000 (2025–2020).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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CO₂ Emissions
5.0 t/year
Street avg 6.4 t/year
CF72 8DH