25 Gellideg, Pontardawe, Swansea, SA8 4LX
About 25 Gellideg
25 Gellideg is a semi-detached house in Pontardawe, Swansea, Swansea (SA8 4LX). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (August 2025) shows a D (score 59), a step below the typical UK home. The recommended improvements would lift it to B (score 82), a 2-band jump.
Most recent transfer was January 2026 at £135,000 — fresh data. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Today's modelled estimate of £154,000 is 14.1% above the 2026 sale price. On a £-per-square-foot basis, the last sale (£153/sq ft) was about 56.9% above the typical sold price in the postcode.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 31 August 2035
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Planning history
25 Gellideg has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
25 Gellideg valuation sits well clear of the typical sold price in this postcode.
£154,000
Modelled from EPC, postcode comparables.
£135,000
Recorded with HM Land Registry.
Sales timeline
9 January 2026Most recent
£135,000
Median price across the last 5 sales in SA8 4LX: £125,000 (2023–2018).
Nearby sales in SA8 4LX
3 Gellideg, Pontardawe, Swansea, SA8 4LX
Sold Oct 2023
£140,0005 Gellideg, Pontardawe, Swansea, SA8 4LX
Sold May 2023
£130,00045 Gellideg, Pontardawe, Swansea, SA8 4LX
Sold Feb 2023
£125,00053 Gellideg, Pontardawe, Swansea, SA8 4LX
Sold Mar 2019
£97,00013 Gellideg, Pontardawe, Swansea, SA8 4LX
Sold Oct 2018
£104,000
Versus other Gellideg homes
25 Gellideg is notably below the street on years held.
Price per m²
£1,646
Street avg £1,192
Floor Area
82 m²
Street avg 76 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.7 t/year
Street avg 2.8 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
Gelliderw — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







