12 Baglan Street, Treherbert, Treorchy, CF42 5AW
About 12 Baglan Street
12 Baglan Street is a three-bedroom end-of-terrace house in Treherbert, Treorchy, Treorchy (CF42 5AW). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (June 2023) shows a C (score 73). When first surveyed in July 2022 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Average to Good and window efficiency went from Very Poor to Good. The recommended improvements would push it to B (score 87).
At 78 m² it's 24.6% larger than the typical home in the postcode (63 m² median across 16 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. A recent sale: £119,950 in September 2025. Across 2022–2025, sale prices on this property compounded at 24.8% per year. On a £-per-square-foot basis, the last sale (£143/sq ft) was about 108.6% above the typical sold price in the postcode.
Know exactly what you're buying at 12 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
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenRear
Building
- RefurbishedYes
Energy performance
12 Baglan Street ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Single glazing replaced with double or better glazing
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Planning history
12 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 12 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
12 Baglan Street valuation sits well clear of the typical sold price in this postcode.
£131,000
Modelled from EPC, postcode comparables and a sale-price growth of 24.8% per year over 3 years.
£119,950
Growth on file: 24.8% per year over 3 years.
Sales timeline
14 September 2025Most recent
£119,950
+84.5%over 2 years8 December 2022
£65,000
Median price across the last 5 sales in CF42 5AW: £71,000 (2024–2023).
Nearby sales in CF42 5AW
26 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
£49,50011 Baglan Street, Treherbert, Treorchy, CF42 5AW
Sold Jan 2023
£80,000
Everything we know about 12 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 price per m², 12 Baglan Street stands well clear of the street.
Price per m²
£1,538
Street avg £896
Floor Area
78 m²
Street avg 80 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.2 t/year
Street avg 4.5 t/year
Similar properties nearby
1 Crichton Street, Treherbert
CF42 5RA
1 Coldra Road, Treherbert
CF42 5ST
1 David Street, Treherbert
CF42 5LB
1 Brynfedwen Close, Treherbert
CF42 5PB
1 Blaen Y Cwm Terrace, Treherbert
CF42 5ND
1 Brook Street, Blaenrhondda
CF42 5SG
1 Cwrt Yr Ysgol, Treherbert
CF42 5PX
1 Cwmsaerbren Street, Treherbert
CF42 5HY
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.