1 Glantwrch, Ystalyfera, Swansea, SA9 2JN
About 1 Glantwrch
1 Glantwrch is a three-bedroom semi-detached house in Ystalyfera, Swansea, Swansea (SA9 2JN). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (August 2021) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since March 2013. Between certificates, wall efficiency went from Poor to Average, window efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 82), a 2-band jump.
At 91 m² the property is well over the postcode median (69 m² across 34 EPCs), placing it in the larger end of the local stock. Across 2014–2021, sale prices on this property compounded at 7.2% per year. Today's modelled estimate of £171,000 is 20.2% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£145/sq ft) was about 57% above the typical sold price in the postcode. Sold December 2021 for £142,250. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2021.
Know exactly what you're buying at 1 Glantwrch
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
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- Private gardenYes
- GarageYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Heating controls changed
Window efficiency improved
Cavity wall insulation installed
More low energy lighting installed
Planning history
- Dec 2021ExtensionAmendmentIn report
Extension: Single storey · Side of property
Single storey side extension
- Documents
- 3 docs on file
- Reference
- P2021/1168
What's in 1 Glantwrch, Ystalyfera, Swansea, SA9 2JN's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£171,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.2% per year over 7 years.
£142,250
Growth on file: 7.2% per year over 7 years.
Sales timeline
20 December 2021Most recent
£142,250
+67.4%over 7 years30 July 2014
£85,000
Median price across the last 5 sales in SA9 2JN: £123,000 (2024–2022).
Nearby sales in SA9 2JN
67 Glantwrch, Ystalyfera, Swansea, SA9 2JN
Sold Oct 2024
£84,50071 Glantwrch, Ystalyfera, Swansea, SA9 2JN
Sold Jun 2024
£162,00063 Glantwrch, Ystalyfera, Swansea, SA9 2JN
Sold Aug 2023
£123,00029 Glantwrch, Ystalyfera, Swansea, SA9 2JN
Sold Mar 2022
£110,00035 Glantwrch, Ystalyfera, Swansea, SA9 2JN
Sold Jan 2022
£126,000
Everything we know about 1 Glantwrch, 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 Glantwrch homes
On floor area, 1 Glantwrch stands well clear of the street.
Price per m²
£1,563
Street avg £1,209
Floor Area
91 m²
Street avg 78 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.8 t/year
Street avg 3.6 t/year
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Capital Buildings — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.