11 Llewellyn Street, Treherbert, Treorchy, CF42 5BA
About 11 Llewellyn Street
11 Llewellyn Street is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5BA). It has a recorded floor area of 63 m² (around 677 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (April 2010) shows a D (score 55), a step below the typical UK home. The recommended improvements would push it to C (score 73). The latest certificate is from April 2010, so improvements made since then won't be reflected.
At 63 m² it's 18.8% smaller than the typical home in the postcode (77 m² median across 13 EPCs).
Know exactly what you're buying at 11 Llewellyn 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
11 Llewellyn Street's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Apr 2020
EPC Rating
Planning history
11 Llewellyn Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 11 Llewellyn 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
11 Llewellyn Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£119,000
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 5BA: £35,100 (2024–2009).
Nearby sales in CF42 5BA
4 Llewellyn Street, Treherbert, Treorchy, CF42 5BA
Sold Nov 2024
£110,0009 Llewellyn Street, Treherbert, Treorchy, CF42 5BA
Sold Jun 2021
£96,0008 Llewellyn Street, Treherbert, Treorchy, CF42 5BA
Sold Jun 2014
£35,00016 Llewellyn Street, Treherbert, Treorchy, CF42 5BA
Sold Oct 2011
£35,1007 Llewellyn Street, Treherbert, Treorchy, CF42 5BA
Sold Apr 2009
£35,000
Everything we know about 11 Llewellyn 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 Llewellyn Street homes
Floor Area for 11 Llewellyn Street lags the street by a wide margin.
EPC Rating
55 (D)
Street avg 62 (D)
Floor Area
63 m²
Street avg 80 m²
CO₂ Emissions
4.3 t/year
Street avg 4.7 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Similar properties nearby
1 Bryn Henllan, Blaenrhondda
CF42 5SY
1 Bryn Wyndham Terrace, Treherbert
CF42 5NG
1 Church Street, Treherbert
CF42 5PU
1 Corbett Street, Treherbert
CF42 5EL
1 Cwmsaerbren Flats, Treherbert
CF42 5LA
1 Chapel Street, Blaenrhondda
CF42 5SE
1 Abertonllwyd Street, Treherbert
CF42 5PF
1 Blaen Y Cwm Road, Blaencwm
CF42 5DG
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.