75 Heol Gleien, Upper Cwmtwrch, Swansea, SA9 2UF
About 75 Heol Gleien
75 Heol Gleien is a semi-detached house in Upper Cwmtwrch, Swansea, Swansea (SA9 2UF). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (September 2025) returns a high B (score 87), putting the home a stone's throw from an A rating. When first surveyed in October 2015 the rating was E, the property has climbed 3 bands since. Between certificates, roof efficiency went from Good to Very Good and main heating went from Average to Very Good; while window efficiency dropped from Good to Poor and hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to A (score 102). Main heating runs on electricity.
On energy efficiency it sits in the top 10% of properties in this postcode. Most recent transfer was December 2024 at £160,000 — fresh data. Across 2000–2024, sale prices on this property compounded at 10.1% per year. Today's modelled estimate of £180,000 is 12.5% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£177/sq ft) was about 154.8% above the typical sold price in the postcode.
Know exactly what you're buying at 75 Heol Gleien
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
75 Heol Gleien ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
More low energy lighting installed
Hot water efficiency improved
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Loft insulation installed or upgraded to 250mm+
Planning history
75 Heol Gleien has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
75 Heol Gleien has more than quadrupled in price since its earliest registered sale in 2000.
£180,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.1% per year over 25 years.
£160,000
Growth on file: 10.1% per year over 25 years.
Sales timeline
18 December 2024Most recent
£160,000
+1003.4%over 24 years11 February 2000
£14,500
Median price across the last 5 sales in SA9 2UF: £94,000 (2025–2015).
Nearby sales in SA9 2UF
97 Heol Gleien, Upper Cwmtwrch, Swansea, SA9 2UF
Sold Aug 2025
£175,000105 Heol Gleien, Upper Cwmtwrch, Swansea, SA9 2UF
Sold Dec 2018
£108,00089 Heol Gleien, Upper Cwmtwrch, Swansea, SA9 2UF
Sold Jun 2018
£94,00069 Heol Gleien, Upper Cwmtwrch, Swansea, SA9 2UF
Sold Oct 2014
£80,00085 Heol Gleien, Upper Cwmtwrch, Swansea, SA9 2UF
Sold Oct 2006
£144,000
Everything we know about 75 Heol Gleien, 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 other Heol Gleien homes
Price per m² for 75 Heol Gleien runs comfortably ahead of the street norm.
Price per m²
£1,905
Street avg £1,057
Floor Area
84 m²
Street avg 93 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
0.4 t/year
Street avg 8.7 t/year
Similar properties nearby
1 Dan Y Graig Cottages, Felinfach, Ystradowen
SA9 2XT
1 Cadfan Villas, Swanfield, Ystalyfera
SA9 2JE
1 Carreg Yr Afon, Godrergraig
SA9 2DR
1 Brynheulog Terrace, New Road, Cwmllynfell
SA9 2FD
1 Ffordd Glandwr, Ystalyfera
SA9 2ER
1 Caedu Road, Cwmllynfell
SA9 2FQ
1 Deeley Road, Ystalyfera
SA9 2LW
1 Bethel Road, Lower Cwmtwrch
SA9 2PS
The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Heol Gleien — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.