42 Baglan Street, Treherbert, Treorchy, CF42 5AS
About 42 Baglan Street
42 Baglan Street is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5AS). It has a recorded floor area of 62 m² (around 667 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (April 2023) shows a C (score 69), just inside the C band. When first surveyed in January 2014 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Poor to Good, window efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 90).
Across 2014–2019, sale prices on this property compounded at 3.5% per year. Today's modelled estimate of £116,000 sits 141.7% above the 2019 sale of £48,000. On a £-per-square-foot basis, the last sale (£72/sq ft) was about 15.4% above the typical sold price in the postcode. At 62 m² it's 20.5% smaller than the typical home in the postcode (78 m² median across 17 EPCs). Its energy rating outperforms most of the postcode (better than 82% of similar EPCs). Last sale on file: £48,000 in July 2019.
Know exactly what you're buying at 42 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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Loft insulation installed or upgraded to 250mm+
Planning history
42 Baglan Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 42 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
30-day money-back guarantee
Sales history & valuation
42 Baglan Street valuation sits well clear of the typical sold price in this postcode.
£116,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 5 years.
£48,000
Growth on file: 3.5% per year over 5 years.
Sales timeline
18 July 2019Most recent
£48,000
+20.0%over 5 years10 April 2014
£40,000
Median price across the last 5 sales in CF42 5AS: £92,500 (2025–2023).
Nearby sales in CF42 5AS
43 Baglan Street, Treherbert, Treorchy, CF42 5AS
Sold Jul 2025
£62,50035 Baglan Street, Treherbert, Treorchy, CF42 5AS
Sold Feb 2025
£92,50051 Baglan Street, Treherbert, Treorchy, CF42 5AS
Sold Oct 2024
£140,00055 Baglan Street, Treherbert, Treorchy, CF42 5AS
Sold Nov 2023
£115,00033 Baglan Street, Treherbert, Treorchy, CF42 5AS
Sold May 2023
£110,000
Everything we know about 42 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

Versus other Baglan Street homes
On habitable rooms, 42 Baglan Street runs well behind the street norm.
Price per m²
£774
Street avg £967
Floor Area
62 m²
Street avg 92 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
3.1 t/year
Street avg 5.9 t/year
Similar properties nearby
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CF42 5PF
1 Blaen Y Cwm Road, Blaencwm
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1 Bryn Henllan, Blaenrhondda
CF42 5SY
1 Corbett Street, Treherbert
CF42 5EL
1 Cwmsaerbren Flats, Treherbert
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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
Penyrenglyn School — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.