18 Clark Street, Treorchy, CF42 6BE
About 18 Clark Street
18 Clark Street is a three-bedroom mid-terrace house in Treorchy (CF42 6BE). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (January 2025) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2012. The recommended improvements would lift it to B (score 81), a 2-band jump. Other recorded features include a loft.
A recent sale: £150,000 in March 2025. Across 1997–2025, sale prices on this property compounded at 4.4% per year. Today's modelled estimate of £169,000 is 12.7% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£133/sq ft) was about 75% above the typical sold price in the postcode.
Know exactly what you're buying at 18 Clark Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- LoftYes
Outside
- Private gardenYes
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
Planning history
18 Clark Street has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
18 Clark Street has more than tripled in price since its earliest registered sale in 1997.
£169,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 28 years.
£150,000
Growth on file: 4.4% per year over 28 years.
Sales timeline
21 March 2025Most recent
£150,000
+53.1%over 7 years15 June 2017
£98,000
+113.0%over 19 years1 July 1997
£46,000
Median price across the last 5 sales in CF42 6BE: £115,000 (2024–2019).
Nearby sales in CF42 6BE
Everything we know about 18 Clark Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?
Versus other Clark Street homes
On years held, 18 Clark Street runs well behind the street norm.
Price per m²
£1,429
Street avg £944
Floor Area
105 m²
Street avg 93 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
5.5 t/year
Street avg 5.4 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cardiff Arms — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.