37 Glantwrch, Ystalyfera, Swansea, SA9 2JN
About 37 Glantwrch
37 Glantwrch is a three-bedroom semi-detached house in Ystalyfera, Swansea, Swansea (SA9 2JN). It has a recorded floor area of 99 m² (around 1070 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (November 2011) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. The latest certificate is from November 2011, so improvements made since then won't be reflected.
At 99 m² the property is well over the postcode median (69 m² across 34 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2012–2020, sale prices on this property compounded at 2.9% per year. Today's modelled estimate of £138,000 is 39.4% above the 2020 sale price. Most recent transfer: March 2020 at £99,000.
Know exactly what you're buying at 37 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
- Bathrooms2
- Dining roomYes
Outside
- Private gardenfront_and_rear
Energy performance
37 Glantwrch 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This certificate is over 10 years old and is no longer valid.Expired 17 Nov 2021
EPC Rating
Planning history
37 Glantwrch has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
37 Glantwrch saw 3 transfers in just over a decade — high turnover for the postcode.
£138,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 8 years.
£99,000
Growth on file: 2.9% per year over 8 years.
Sales timeline
2 March 2020Most recent
£99,000
+36.6%over 4 years2 February 2016
£72,500
-9.4%over 3 years19 August 2012
£80,000
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 37 Glantwrch, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
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- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Glantwrch homes
37 Glantwrch outperforms the street on habitable rooms by a wide margin.
Price per m²
£996
Street avg £1,272
Floor Area
99 m²
Street avg 77 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
6.1 t/year
Street avg 3.5 t/year
Similar properties nearby
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1 Dan Y Graig Cottages, Felinfach, Ystradowen
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1 Crimea Court, Graig Newydd, Godrergraig
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1 Cynwal Terrace, Upper Cwmtwrch
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1 Carreg Yr Afon, Godrergraig
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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.