10 Heol Glynderwen, Alltwen, Pontardawe, Swansea, SA8 3AT
About 10 Heol Glynderwen
10 Heol Glynderwen is a semi-detached house in Pontardawe, Swansea, Swansea (SA8 3AT). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (July 2026) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2012. Between certificates, roof efficiency went from Good to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 79). This certificate was lodged in the last six months, so the rating reflects current condition.
Across 2013–2018, sale prices on this property compounded at 3.5% per year. Today's modelled estimate of £203,000 sits 69.2% above the 2018 sale of £120,000. Sold September 2018 for £120,000.
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 21 July 2036
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Roof insulation improved
More low energy lighting installed
Ventilation system changed
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Planning history
10 Heol Glynderwen 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
£203,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 5 years.
£120,000
Growth on file: 3.5% per year over 5 years.
Sales timeline
10 September 2018Most recent
£120,000
+20.0%over 5 years23 May 2013
£100,000
Median price across the last 2 sales in SA8 3AT: £61,250 (2014–2002).
Versus other Heol Glynderwen homes
EPC Rating
63 (D)
Street avg 66 (D)
Floor Area
109 m²
Street avg 111 m²
CO₂ Emissions
4.4 t/year
Street avg 4.0 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
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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
Heol Glyndernwen — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







