33a, Ynys Y Mond Road, Alltwen, Pontardawe, Swansea, SA8 3BA
About 33a
33a is a five-bedroom detached house in Pontardawe, Swansea, Swansea (SA8 3BA). It has a recorded floor area of 183 m² (around 1970 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (September 2025) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since August 2011. Between certificates, roof efficiency went from Good to Very Good; while window efficiency dropped from Good to Average and lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 83).
Untraded for 19 years, with the last transfer in May 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 183 m² the property is well over the postcode median (106 m² across 32 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 72% of similar EPCs). Across 2005–2007, sale prices on this property compounded at 16.3% per year. Today's modelled estimate of £389,000 is 41.5% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£140/sq ft) was about 28.2% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms5
Energy performance
EPC Rating
Certificate validity
Valid until 15 September 2035
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
33a 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
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£389,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.3% per year over 2 years.
£275,000
Growth on file: 16.3% per year over 2 years.
Sales timeline
31 May 2007Most recent
£275,000
+41.0%over 2 years18 February 2005
£195,000
Median price across the last 5 sales in SA8 3BA: £260,000 (2025–2024).
Nearby sales in SA8 3BA
12 Ynys Y Mond Road, Alltwen, Pontardawe, Swansea, SA8 3BA
Sold Oct 2025
£260,00044 Ynys Y Mond Road, Alltwen, Pontardawe, Swansea, SA8 3BA
Sold Oct 2025
£70,00016 Ynys Y Mond Road, Alltwen, Pontardawe, Swansea, SA8 3BA
Sold Dec 2024
£325,00060 Ynys Y Mond Road, Alltwen, Pontardawe, Swansea, SA8 3BA
Sold Nov 2024
£165,00033 Ynys Y Mond Road, Alltwen, Pontardawe, Swansea, SA8 3BA
Sold Aug 2024
£385,000
Versus other Ynys Y Mond Road homes
On epc rating, 33a stands well clear of the street.
Price per m²
£1,503
Street avg £1,704
Floor Area
183 m²
Street avg 117 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.5 t/year
Street avg 5.3 t/year
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The neighbourhood at a glance
Crime
66/mo
Falling year-on-year across the wider district.
Nearest stop
0.3 km
Heol Phillip — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







