3 Llewellyn Street, Blaencwm, Treorchy, CF42 5DS
About 3 Llewellyn Street
3 Llewellyn Street is a two-bedroom mid-terrace house in Blaencwm, Treorchy, Treorchy (CF42 5DS). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (September 2019) shows a C (score 75), near the top of the C band. When first surveyed in October 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency dropped from Good to Average and lighting dropped from Very Good to Very Poor. The recommended improvements would push it to B (score 81).
Across 2013–2018, sale prices on this property compounded at 6.7% per year. Today's modelled estimate of £118,000 sits 50.3% above the 2018 sale of £78,500. On a £-per-square-foot basis, the last sale (£84/sq ft) was about 19.8% above the typical sold price in the postcode. At 87 m² it's 19.2% larger than the typical home in the postcode (73 m² median across 7 EPCs). Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). Sold August 2018 for £78,500.
Know exactly what you're buying at 3 Llewellyn Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms2
- Bathrooms1
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
Roof insulation improved
Low energy lighting percentage decreased
Planning history
3 Llewellyn Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 3 Llewellyn Street
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
3 Llewellyn Street saw 3 transfers in just over a decade — high turnover for the postcode.
£118,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 6 years.
£78,500
Growth on file: 6.7% per year over 6 years.
Sales timeline
16 August 2018Most recent
£78,500
+37.7%over 3 years29 April 2015
£57,000
+3.6%over 2 years5 February 2013
£55,000
Median price across the last 3 sales in CF42 5DS: £55,000 (2020–2003).
Everything we know about 3 Llewellyn Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area

Versus other Llewellyn Street homes
EPC Rating for 3 Llewellyn Street runs comfortably ahead of the street norm.
EPC Rating
75 (C)
Street avg 62 (D)
Floor Area
87 m²
Street avg 82 m²
CO₂ Emissions
3.7 t/year
Street avg 5.3 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Hendrewen Hotel — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.