18 Blaenrhondda Road, Blaenrhondda, Treorchy, CF42 5SP
About 18 Blaenrhondda Road
18 Blaenrhondda Road is a three-bedroom mid-terrace house in Blaenrhondda, Treorchy, Treorchy (CF42 5SP). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1900-1929 and council tax band B. Tenure is freehold. The latest certificate (February 2022) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in April 2012 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Poor to Good and lighting went from Average to Very Good. The recommended improvements would lift it to B (score 87), a 2-band jump.
Across 2022–2023, sale prices on this property compounded at 16.3% per year. Today's modelled estimate of £142,000 is 11% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£140/sq ft) was about 133% above the typical sold price in the postcode. Sold April 2023 for £127,950.
Know exactly what you're buying at 18 Blaenrhondda Road
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
- Bathrooms1
Building
- TenureFreehold
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Window efficiency improved
More low energy lighting installed
Planning history
18 Blaenrhondda Road has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 18 Blaenrhondda Road
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 Blaenrhondda Road changed hands twice within eighteen months — unusual for the area.
£142,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.3% per year over 1 year.
£127,950
Growth on file: 16.3% per year over 1 year.
Sales timeline
5 April 2023Most recent
£127,950
+16.3%29 November 2022
£110,000
Median price across the last 5 sales in CF42 5SP: £115,000 (2025–2023).
Nearby sales in CF42 5SP
12 Blaenrhondda Road, Blaenrhondda, Treorchy, CF42 5SP
Sold Mar 2025
£270,0007 Blaenrhondda Road, Blaenrhondda, Treorchy, CF42 5SP
Sold Nov 2024
£115,00031 Blaenrhondda Road, Blaenrhondda, Treorchy, CF42 5SP
Sold May 2024
£108,00011 Blaenrhondda Road, Blaenrhondda, Treorchy, CF42 5SP
Sold Apr 2024
£80,00036 Blaenrhondda Road, Blaenrhondda, Treorchy, CF42 5SP
Sold May 2023
£205,000
Everything we know about 18 Blaenrhondda Road, 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 Blaenrhondda Road homes
On habitable rooms, 18 Blaenrhondda Road stands well clear of the street.
Price per m²
£1,505
Street avg £990
Floor Area
85 m²
Street avg 98 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
4.6 t/year
Street avg 5.0 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
Clyngwyn Road — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.