18 Lon Catwg, Gellinudd, Pontardawe, Swansea, SA8 3DU
About 18 Lon Catwg
18 Lon Catwg is a three-bedroom semi-detached house in Pontardawe, Swansea, Swansea (SA8 3DU). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (July 2020) shows a C (score 69), just inside the C band. When first surveyed in May 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Poor to Average and lighting went from Very Poor to Very Good.
Across 2011–2018, sale prices on this property compounded at 2.1% per year. Today's modelled estimate of £229,000 sits 57.9% above the 2018 sale of £145,000. At 109 m² it's 19.1% larger than the typical home in the postcode (92 m² median across 12 EPCs). On the market in May 2018 and unlisted since — roughly 8 years.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
- CloakroomYes
Outside
- Private gardenYes
- GarageYes
Building
- Heating systemGas
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
18 Lon Catwg has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
18 Lon Catwg valuation sits well clear of the typical sold price in this postcode.
£229,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.1% per year over 7 years.
£145,000
Growth on file: 2.1% per year over 7 years.
Sales timeline
9 May 2018Most recent
£145,000
+16.0%over 7 years11 March 2011
£125,000
Median price across the last 5 sales in SA8 3DU: £200,000 (2025–2019).
Nearby sales in SA8 3DU
25 Lon Catwg, Gellinudd, Pontardawe, Swansea, SA8 3DU
Sold Mar 2025
£190,0004 Lon Catwg, Gellinudd, Pontardawe, Swansea, SA8 3DU
Sold Dec 2024
£200,00035 Lon Catwg, Gellinudd, Pontardawe, Swansea, SA8 3DU
Sold Sept 2024
£440,0003 Lon Catwg, Gellinudd, Pontardawe, Swansea, SA8 3DU
Sold Jun 2023
£227,50031 Lon Catwg, Gellinudd, Pontardawe, Swansea, SA8 3DU
Sold Jul 2019
£130,000
Versus other Lon Catwg homes
Floor Area for 18 Lon Catwg runs comfortably ahead of the street norm.
Price per m²
£1,330
Street avg £1,836
Floor Area
109 m²
Street avg 94 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.0 t/year
Street avg 4.1 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Capel Bryn Seion — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







