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Get started11 Birchgrove is a three-bedroom semi-detached house in Llanharry, Pontyclun, Pontyclun (CF72 9HZ). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (February 2017) shows an E (score 41), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 78), a 2-band jump. Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 11.3% per year against 0% for the wider region. Today's modelled estimate of £220,000 is 18.9% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£215/sq ft) was about 93.9% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 80 m² it's 17.5% smaller than the typical home in the postcode (97 m² median across 25 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 72% of similar EPCs). Most recent transfer: May 2022 at £185,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
11 Birchgrove's carbon output runs well above what efficient homes in the postcode produce.
11 Birchgrove has 2 separate extension applications on the council record.
Extension: Side and rear of property
Double side extension and single rear extension.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£220,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.3% per year over 5 years.
£185,000
Growth on file: 11.3% per year over 5 years.
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Detailed AI analysis
On price per m², 11 Birchgrove stands well clear of the street.
Price per m²
£2,313
Street avg £1,129
Floor Area
80 m²
Street avg 101 m²
Habitable Rooms
5 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Birch Grove — bus stop.
Extension: Side and rear of property
Double side extension and single rear extension.
31 May 2022Most recent
£185,000
+69.7%over 4 years16 June 2017
£109,000
Median price across the last 5 sales in CF72 9HZ: £183,000 (2024–2019).
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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Street avg 5 rooms
CO₂ Emissions
6.3 t/year
Street avg 4.9 t/year
CF72 9ZG