7 Mary Street, Treherbert, Treorchy, CF42 5AE
About 7 Mary Street
7 Mary Street is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5AE). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (June 2025) shows a C (score 70). The rating has held steady at C across 2 certificates since July 2014. Between certificates, lighting went from Average to Very Good. The recommended improvements would push it to B (score 89).
Across 1998–2020, sale prices on this property compounded at 13.6% per year. Today's modelled estimate of £103,000 sits 71.7% above the 2020 sale of £60,000. On a £-per-square-foot basis, the last sale (£105/sq ft) was about 53.7% above the typical sold price in the postcode. Most recent transfer: January 2020 at £60,000. Across the public record there are 5 sales, relatively high churn for a single property. At 53 m² it's 23.7% smaller than the typical home in the postcode (70 m² median across 12 EPCs).
Know exactly what you're buying at 7 Mary 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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
7 Mary Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 7 Mary 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
7 Mary Street has more than quadrupled in price since its earliest registered sale in 1998.
£103,000
Modelled from EPC, postcode comparables and a sale-price growth of 13.6% per year over 21 years.
£60,000
Growth on file: 13.6% per year over 21 years.
Sales timeline
27 January 2020Most recent
£60,000
+53.8%over 11 years22 May 2008
£39,000
-7.1%over 10 months25 July 2007
£42,000
6 November 2006
£42,000
+950.0%over 8 years30 October 1998
£4,000
Median price across the last 5 sales in CF42 5AE: £105,000 (2024–2021).
Nearby sales in CF42 5AE
2 Mary Street, Treherbert, Treorchy, CF42 5AE
Sold Apr 2024
£63,0008 Mary Street, Treherbert, Treorchy, CF42 5AE
Sold Apr 2023
£105,000Eastlea, Mary Street, Treherbert, Treorchy, CF42 5AE
Sold May 2022
£186,0006 Mary Street, Treherbert, Treorchy, CF42 5AE
Sold Nov 2021
£139,9954 Mary Street, Treherbert, Treorchy, CF42 5AE
Sold Jun 2021
£65,000
Everything we know about 7 Mary 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 Mary Street homes
7 Mary Street outperforms the street on co₂ emissions by a wide margin.
Price per m²
£1,132
Street avg £1,034
Floor Area
53 m²
Street avg 72 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.9 t/year
Similar properties nearby
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1 Bryn Wyndham Terrace, Treherbert
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1 Bryn Henllan, Blaenrhondda
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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
New Inn — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.