4 Llewellyn Street, Treherbert, Treorchy, CF42 5BA
About 4 Llewellyn Street
4 Llewellyn Street is a three-bedroom mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5BA). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (July 2020) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 87), a 2-band jump.
Across 2005–2024, sale prices on this property compounded at 4.5% per year. Today's modelled estimate of £129,000 is 17.3% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£123/sq ft) was about 241.3% above the typical sold price in the postcode. Last sale on file: £110,000 in November 2024.
Know exactly what you're buying at 4 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
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- Private gardenRear
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
4 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 4 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
Latest sale on 4 Llewellyn Street was the highest on Land Registry record across the postcode.
£129,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 20 years.
£110,000
Growth on file: 4.5% per year over 20 years.
Sales timeline
15 November 2024Most recent
£110,000
+139.4%over 19 years24 March 2005
£45,950
Median price across the last 5 sales in CF42 5BA: £35,100 (2021–2008).
Nearby sales in CF42 5BA
9 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
£35,00012 Llewellyn Street, Treherbert, Treorchy, CF42 5BA
Sold Oct 2008
£48,000
Everything we know about 4 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
On price per m², 4 Llewellyn Street stands well clear of the street.
Price per m²
£1,325
Street avg £524
Floor Area
83 m²
Street avg 79 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
4.4 t/year
Street avg 4.7 t/year
Similar properties nearby
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1 Blaen Y Cwm Terrace, Treherbert
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1 Brook Street, Blaenrhondda
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1 Cwrt Yr Ysgol, Treherbert
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1 Charles Street, 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.