35 Gwendoline Street, Treherbert, Treorchy, CF42 5BN
About 35 Gwendoline Street
35 Gwendoline Street is a three-bedroom mid-terrace house in Treherbert, Treorchy, Treorchy (CF42 5BN). It has a recorded floor area of 79 m² (around 848 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (May 2009) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 67). The latest certificate is from May 2009, so improvements made since then won't be reflected.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1998–2017, sale prices on this property compounded at 5.7% per year. Today's modelled estimate of £113,000 sits 253.1% above the 2017 sale of £32,000. On a £-per-square-foot basis, the last sale (£38/sq ft) was about 26.9% below the postcode norm. Last sold in February 2017, so it's been off the market for around 9 years.
Know exactly what you're buying at 35 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
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenRear
Energy performance
35 Gwendoline Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 18 May 2019
EPC Rating
Planning history
35 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 35 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
35 Gwendoline Street has more than doubled in price since the earliest registered sale in 1998.
£113,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 19 years.
£32,000
Growth on file: 5.7% per year over 19 years.
Sales timeline
17 February 2017Most recent
£32,000
+184.4%over 18 years26 March 1998
£11,250
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 35 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
35 Gwendoline Street is notably below the street on epc rating.
Price per m²
£406
Street avg £708
Floor Area
79 m²
Street avg 82 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.3 t/year
Street avg 4.1 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 Abertonllwyd Street, Treherbert
CF42 5PF
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.