17 Heol Glanllechau, Alltwen, Pontardawe, Swansea, SA8 3AP
About 17 Heol Glanllechau
17 Heol Glanllechau is a two-bedroom semi-detached house in Pontardawe, Swansea, Swansea (SA8 3AP). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (September 2025) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since September 2012. Between certificates, wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Average. The recommended improvements would push it to C (score 75). The home occupies a cul-de-sac position.
Across 2011–2022, sale prices on this property compounded at 10.6% per year. Today's modelled estimate of £157,000 is 20.8% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£159/sq ft) was about 38.6% above the typical sold price in the postcode. Most recent transfer: July 2022 at £130,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Outside
- Cul-de-sacYes
Building
- Heating systemGas
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Switched from oil to mains gas, reducing emissions and costs
Heating controls upgraded for better temperature management
More low energy lighting installed
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Planning history
17 Heol Glanllechau 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
Sale price has grown by over 3x since 2011.
£157,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.6% per year over 12 years.
£130,000
Growth on file: 10.6% per year over 12 years.
Sales timeline
19 July 2022Most recent
£130,000
+54.8%over 9 years9 May 2013
£84,000
+105.1%over 2 years17 January 2011
£40,953
Median price across the last 5 sales in SA8 3AP: £116,000 (2023–2009).
Nearby sales in SA8 3AP
22 Heol Glanllechau, Alltwen, Pontardawe, Swansea, SA8 3AP
Sold Nov 2023
£150,0009 Heol Glanllechau, Alltwen, Pontardawe, Swansea, SA8 3AP
Sold Jan 2020
£116,0002 Heol Glanllechau, Alltwen, Pontardawe, Swansea, SA8 3AP
Sold May 2019
£118,0003 Heol Glanllechau, Alltwen, Pontardawe, Swansea, SA8 3AP
Sold Jul 2015
£92,000
Versus other Heol Glanllechau homes
Price per m² for 17 Heol Glanllechau runs comfortably ahead of the street norm.
Price per m²
£1,711
Street avg £1,280
Floor Area
76 m²
Street avg 80 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
4.3 t/year
Street avg 3.1 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
Gwyn Arms — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







