9 Baglan Street, Treherbert, Treorchy, CF42 5AW
About 9 Baglan Street
9 Baglan Street is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5AW). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (April 2025) shows a C (score 69), just inside the C band. When first surveyed in February 2013 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average and lighting went from Very Poor to Good. The recommended improvements would push it to B (score 90).
At 38 m² it sits well below the postcode median (68 m² across 16 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode. Across 2005–2015, sale prices on this property compounded at 1.2% per year. Today's modelled estimate of £117,000 sits 216.2% above the 2015 sale of £37,000. On a £-per-square-foot basis, the last sale (£90/sq ft) was about 32.1% above the typical sold price in the postcode. Last sold in November 2015, so it's been off the market for around 11 years. Across the public record there are 4 sales, relatively high churn for a single property.
Know exactly what you're buying at 9 Baglan 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
9 Baglan Street ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
Roof insulation improved
More low energy lighting installed
Planning history
9 Baglan Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 2 things worth checking at 9 Baglan 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
- Recent ownership pattern worth a look
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Sales history & valuation
9 Baglan Street's estimated value is more than triple its earliest registered sale price (2005).
£117,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.2% per year over 11 years.
£37,000
Growth on file: 1.2% per year over 11 years.
Sales timeline
27 November 2015Most recent
£37,000
+89.7%over 1 year17 August 2014
£19,500
-50.0%over 8 years26 April 2006
£39,000
+20.0%over 1 year16 March 2005
£32,500
Median price across the last 5 sales in CF42 5AW: £71,000 (2025–2023).
Nearby sales in CF42 5AW
12 Baglan Street, Treherbert, Treorchy, CF42 5AW
Sold Sept 2025
£119,95026 Baglan Street, Treherbert, Treorchy, CF42 5AW
Sold Apr 2024
£65,00025 Baglan Street, Treherbert, Treorchy, CF42 5AW
Sold Jul 2023
£71,00019 Baglan Street, Treherbert, Treorchy, CF42 5AW
Sold Jul 2023
£79,75010 Baglan Street, Treherbert, Treorchy, CF42 5AW
Sold Mar 2023
£49,500
Everything we know about 9 Baglan 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
- Recent ownership pattern worth a look

Versus other Baglan Street homes
Floor Area for 9 Baglan Street lags the street by a wide margin.
Price per m²
£974
Street avg £943
Floor Area
38 m²
Street avg 82 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.2 t/year
Street avg 4.5 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
0.0 km
Baglan Hotel — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.