20 Dilys Street, Blaencwm, Treorchy, CF42 5DT
About 20 Dilys Street
20 Dilys Street is a three-bedroom end-of-terrace house in Blaencwm, Treorchy, Treorchy (CF42 5DT). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (August 2013) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in May 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average and lighting went from Poor to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from August 2013, so improvements made since then won't be reflected.
Today's modelled estimate of £117,000 sits 73.3% above the 2013 sale of £67,500. On a £-per-square-foot basis, the last sale (£79/sq ft) was about 43.5% above the typical sold price in the postcode. Last changed hands 13 years ago, in November 2013.
Know exactly what you're buying at 20 Dilys 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
- Bedrooms3
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 23 Aug 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Roof insulation improved
More low energy lighting installed
Planning history
20 Dilys Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 20 Dilys 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
20 Dilys Street valuation sits well clear of the typical sold price in this postcode.
£117,000
Modelled from EPC, postcode comparables.
£67,500
Recorded with HM Land Registry.
Sales timeline
29 November 2013Most recent
£67,500
Median price across the last 5 sales in CF42 5DT: £72,500 (2023–2019).
Nearby sales in CF42 5DT
7 Dilys Street, Blaencwm, Treorchy, CF42 5DT
Sold May 2023
£108,0009 Dilys Street, Blaencwm, Treorchy, CF42 5DT
Sold Jan 2020
£72,50011 Dilys Street, Blaencwm, Treorchy, CF42 5DT
Sold Dec 2019
£40,0003 Dilys Street, Blaencwm, Treorchy, CF42 5DT
Sold Sept 2019
£75,0001 Dilys Street, Blaencwm, Treorchy, CF42 5DT
Sold May 2019
£70,000
Everything we know about 20 Dilys 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 Dilys Street homes
20 Dilys Street outperforms the street on co₂ emissions by a wide margin.
Price per m²
£854
Street avg £890
Floor Area
79 m²
Street avg 76 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.2 t/year
Street avg 4.7 t/year
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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.