16 Alltywerin, Pontardawe, Swansea, SA8 4NQ
About 16 Alltywerin
16 Alltywerin is a semi-detached house in Pontardawe, Swansea, Swansea (SA8 4NQ). It has a recorded floor area of 72 m² (around 772 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (May 2011) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 71), a 2-band jump. The latest certificate is from May 2011, so improvements made since then won't be reflected.
At 72 m² it's 15.6% smaller than the typical home in the postcode (85 m² median across 31 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £142,000 sits 108.8% above the 2012 sale of £68,000. Last changed hands 14 years ago, in November 2012.
Energy performance
16 Alltywerin 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This certificate is over 10 years old and is no longer valid.Expired 26 May 2021
EPC Rating
Certificate validity
Expired on 26 May 2021
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Planning history
16 Alltywerin 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
16 Alltywerin valuation sits well clear of the typical sold price in this postcode.
£142,000
Modelled from EPC, postcode comparables.
£68,000
Recorded with HM Land Registry.
Sales timeline
15 November 2012Most recent
£68,000
Median price across the last 5 sales in SA8 4NQ: £130,000 (2025–2021).
Nearby sales in SA8 4NQ
4 Alltywerin, Pontardawe, Swansea, SA8 4NQ
Sold Nov 2025
£174,0005 Alltywerin, Pontardawe, Swansea, SA8 4NQ
Sold Jul 2025
£130,00021 Alltywerin, Pontardawe, Swansea, SA8 4NQ
Sold Apr 2022
£170,50010 Alltywerin, Pontardawe, Swansea, SA8 4NQ
Sold Aug 2021
£130,00017 Alltywerin, Pontardawe, Swansea, SA8 4NQ
Sold May 2021
£123,000
Versus other Alltywerin homes
On epc rating, 16 Alltywerin runs well behind the street norm.
Price per m²
£948
Street avg £1,361
Floor Area
72 m²
Street avg 90 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.9 t/year
Street avg 3.1 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
Alltywerin — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







