4 Mary Street, Treherbert, Treorchy, CF42 5AE
About 4 Mary Street
4 Mary Street is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5AE). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (March 2021) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in June 2018 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good. The recommended improvements would lift it to B (score 86), a 2-band jump.
Across 2003–2021, sale prices on this property compounded at 4% per year. Today's modelled estimate of £120,000 sits 84.6% above the 2021 sale of £65,000. On a £-per-square-foot basis, the last sale (£89/sq ft) was about 22.5% above the typical sold price in the postcode. Most recent transfer: June 2021 at £65,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 4 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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Planning history
4 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 4 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
Sale price has at least doubled since 2003.
£120,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 18 years.
£65,000
Growth on file: 4.0% per year over 18 years.
Sales timeline
17 June 2021Most recent
£65,000
+62.5%over 2 years22 August 2018
£40,000
+25.0%over 15 years6 May 2003
£32,000
Median price across the last 5 sales in CF42 5AE: £105,000 (2024–2020).
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
£139,99511 Mary Street, Treherbert, Treorchy, CF42 5AE
Sold Oct 2020
£53,000
Everything we know about 4 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
On co₂ emissions, 4 Mary Street runs well behind the street norm.
Price per m²
£956
Street avg £1,053
Floor Area
68 m²
Street avg 70 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
4.4 t/year
Street avg 3.8 t/year
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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.