27 Gwendoline Street, Treherbert, Treorchy, CF42 5BN
About 27 Gwendoline Street
27 Gwendoline Street is a mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5BN). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (May 2019) shows a D (score 57), a step below the typical UK home. The recommended improvements would lift it to B (score 82), a 2-band jump.
At 102 m² it's 26.7% larger than the typical home in the postcode (81 m² median across 30 EPCs). Across 2004–2021, sale prices on this property compounded at 4.6% per year. Today's modelled estimate of £126,000 is 28.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£89/sq ft) was about 78.4% above the typical sold price in the postcode. Most recent transfer: October 2021 at £98,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 27 Gwendoline 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
27 Gwendoline Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
27 Gwendoline Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 27 Gwendoline 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 27 Gwendoline Street was the highest on Land Registry record across the postcode.
£126,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 17 years.
£98,000
Growth on file: 4.6% per year over 17 years.
Sales timeline
18 October 2021Most recent
£98,000
+78.2%over 15 years17 October 2006
£55,000
+22.4%over 2 years29 July 2004
£44,950
Median price across the last 5 sales in CF42 5BN: £67,000 (2024–2023).
Nearby sales in CF42 5BN
44 Gwendoline Street, Treherbert, Treorchy, CF42 5BN
Sold Sept 2024
£67,00029 Gwendoline Street, Treherbert, Treorchy, CF42 5BN
Sold Sept 2024
£71,00034 Gwendoline Street, Treherbert, Treorchy, CF42 5BN
Sold Jan 2024
£66,00024 Gwendoline Street, Treherbert, Treorchy, CF42 5BN
Sold Jul 2023
£79,99537 Gwendoline Street, Treherbert, Treorchy, CF42 5BN
Sold Jan 2023
£60,500
Everything we know about 27 Gwendoline 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 Gwendoline Street homes
Habitable Rooms for 27 Gwendoline Street runs comfortably ahead of the street norm.
Price per m²
£961
Street avg £679
Floor Area
102 m²
Street avg 81 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
6.1 t/year
Street avg 4.1 t/year
Similar properties nearby
1 Collins Close, Treherbert
CF42 5NH
1 Delwyn Terrace, Blaencwm
CF42 5ED
1 Alma Street, Treherbert
CF42 5LY
1 Baglan Street, Treherbert
CF42 5AA
1 Bute Street, Treherbert
CF42 5NP
1 Charles Street, Treherbert
CF42 5HF
1 Cwmsaerbren Street, Treherbert
CF42 5HY
1 Corbett Street, Treherbert
CF42 5EL
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
Gwendoline Street — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.