8 Heol Gwys, Upper Cwmtwrch, Swansea, SA9 2XG
About 8 Heol Gwys
8 Heol Gwys is a three-bedroom semi-detached house in Upper Cwmtwrch, Swansea, Swansea (SA9 2XG). It has a recorded floor area of 88 m² (around 951 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (March 2011) shows an F (score 34), near the bottom of the EPC scale. The recommended improvements would lift it to D (score 57), a 2-band jump. Main heating runs on oil. The latest certificate is from March 2011, so improvements made since then won't be reflected.
Today's modelled estimate of £167,000 sits 138.6% above the 2011 sale of £70,000. On a £-per-square-foot basis, the last sale (£74/sq ft) was about 99.8% above the typical sold price in the postcode. Last sold in November 2011, so it's been off the market for around 15 years. At 88 m² it's 20.4% smaller than the typical home in the postcode (111 m² median across 9 EPCs). One historical planning record sits against the property in 2015.
Know exactly what you're buying at 8 Heol Gwys
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
Energy performance
8 Heol Gwys's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 25 Mar 2021
EPC Rating
Planning history
- Oct 2015ExtensionFullIn report
Extension: Side and rear of property
Householder: Bathroom extension at first floor level to side and rear dwelling.
- Documents
- 1 doc on file
- Reference
- P/2015/0721
What's in 8 Heol Gwys, Upper Cwmtwrch, Swansea, SA9 2XG's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
8 Heol Gwys valuation sits well clear of the typical sold price in this postcode.
£167,000
Modelled from EPC, postcode comparables.
£70,000
Recorded with HM Land Registry.
Sales timeline
21 November 2011Most recent
£70,000
Median price across the last 5 sales in SA9 2XG: £200,000 (2024–2003).
Nearby sales in SA9 2XG
5 Heol Gwys, Upper Cwmtwrch, Swansea, SA9 2XG
Sold Feb 2024
£275,00015 Heol Gwys, Upper Cwmtwrch, Swansea, SA9 2XG
Sold Jul 2022
£200,000Lower Brynmorgan Bridge, Brynmorgan Villa, Upper Cwmtwrch, Swansea, SA9 2XG
Sold Apr 2021
£385,00031 Heol Gwys, Upper Cwmtwrch, Swansea, SA9 2XG
Sold Jul 2019
£145,00021 Heol Gwys, Upper Cwmtwrch, Swansea, SA9 2XG
Sold Sept 2003
£79,950
Everything we know about 8 Heol Gwys, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus the street
Habitable Rooms for 8 Heol Gwys lags the street by a wide margin.
Price per m²
£792
Street avg £1,147
Floor Area
88 m²
Street avg 102 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
9.0 t/year
Street avg 7.6 t/year
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
New Tredegar Arms — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.