11 Hendreselsig Flats, St Albans Road, Treherbert, Treorchy, CF42 5DD
About 11 Hendreselsig Flats
11 Hendreselsig Flats is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5DD). It has a recorded floor area of 101 m² (around 1087 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (February 2019) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in July 2017 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Very Good and hot-water efficiency went from Poor to Good. The recommended improvements would lift it to B (score 84), a 2-band jump.
Know exactly what you're buying at 11 Hendreselsig Flats
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
11 Hendreselsig Flats's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Planning history
11 Hendreselsig Flats has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 11 Hendreselsig Flats
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
11 Hendreselsig Flats has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£130,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in CF42 5DD: £135,000 (2025–2021).
Nearby sales in CF42 5DD
15 St Albans Road, Treherbert, Treorchy, CF42 5DD
Sold Nov 2025
£330,0009 St Albans Road, Treherbert, Treorchy, CF42 5DD
Sold Nov 2025
£135,00020 St Albans Road, Treherbert, Treorchy, CF42 5DD
Sold Feb 2025
£78,00021 St Albans Road, Treherbert, Treorchy, CF42 5DD
Sold Dec 2023
£164,0008 St Albans Road, Treherbert, Treorchy, CF42 5DD
Sold May 2021
£58,500
Everything we know about 11 Hendreselsig Flats, 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 St Albans Road homes
EPC Rating
62 (D)
Street avg 60 (D)
Floor Area
101 m²
Street avg 111 m²
CO₂ Emissions
6.0 t/year
Street avg 7.0 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
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1 Hendreselsig Flats, St Albans Road, Treherbert
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2 Cwmsaerbren Flats, Treherbert
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2 Hendreselsig Flats, St Albans Road, Treherbert
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Tynewydd Bridge — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.