11 Lon Catwg, Gellinudd, Pontardawe, Swansea, SA8 3DU
About 11 Lon Catwg
11 Lon Catwg is a semi-detached house in Pontardawe, Swansea, Swansea (SA8 3DU). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (November 2013) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 86), a 3-band jump. The latest certificate is from November 2013, so improvements made since then won't be reflected.
It hasn't traded since June 1995, a hold of 31 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £182,000 sits 237% above the 1995 sale of £54,000. On a £-per-square-foot basis, the last sale (£56/sq ft) was about 55.7% below the postcode norm.
Energy performance
11 Lon Catwg 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This certificate is over 10 years old and is no longer valid.Expired 29 Nov 2023
EPC Rating
Certificate validity
Expired on 29 November 2023
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Planning history
11 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
11 Lon Catwg's estimated value is more than triple its earliest registered sale price (1995).
£182,000
Modelled from EPC, postcode comparables.
£54,000
Recorded with HM Land Registry.
Sales timeline
28 June 1995Most recent
£54,000
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
On price per m², 11 Lon Catwg runs well behind the street norm.
Price per m²
£600
Street avg £1,903
Floor Area
90 m²
Street avg 95 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
5.0 t/year
Street avg 4.0 t/year
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The neighbourhood at a glance
Crime
66/mo
Falling 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.







