18 Dilys Street, Blaencwm, Treorchy, CF42 5DT
About 18 Dilys Street
18 Dilys Street is a three-bedroom mid-terrace house in Blaencwm, Treorchy, Treorchy (CF42 5DT). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (September 2019) shows a C (score 77), near the top of the C band. When first surveyed in December 2009 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Poor to Average and lighting went from Good to Very Good. The recommended improvements would push it to B (score 84).
Today's modelled estimate of £116,000 sits 129.7% above the 2014 sale of £50,500. Its energy rating outperforms most of the postcode (better than 88% of similar EPCs). On the market in September 2014 and unlisted since — roughly 12 years.
Know exactly what you're buying at 18 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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
More low energy lighting installed
Planning history
18 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 18 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
18 Dilys Street valuation sits well clear of the typical sold price in this postcode.
£116,000
Modelled from EPC, postcode comparables.
£50,500
Recorded with HM Land Registry.
Sales timeline
25 September 2014Most recent
£50,500
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 18 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
18 Dilys Street outperforms the street on epc rating by a wide margin.
Price per m²
£673
Street avg £913
Floor Area
75 m²
Street avg 76 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.4 t/year
Street avg 4.7 t/year
Similar properties nearby
1 Crichton Street, Treherbert
CF42 5RA
1 Coldra Road, Treherbert
CF42 5ST
1 David Street, Treherbert
CF42 5LB
1 Brynfedwen Close, Treherbert
CF42 5PB
1 Blaen Y Cwm Terrace, Treherbert
CF42 5ND
1 Brook Street, Blaenrhondda
CF42 5SG
1 Cwrt Yr Ysgol, Treherbert
CF42 5PX
1 Chapel Street, Blaenrhondda
CF42 5SE
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.