18 Bwllfa Road, Ynystawe, Swansea, SA6 5AL
About 18 Bwllfa Road
18 Bwllfa Road is a semi-detached house in Ynystawe, Swansea, Swansea (SA6 5AL). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (November 2024) shows a C (score 75), near the top of the C band. When first surveyed in March 2024 the rating was G, the property has climbed 4 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Average to Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 87).
Today's modelled estimate of £218,000 sits 162.7% above the 2024 sale of £83,000. On a £-per-square-foot basis, the last sale (£104/sq ft) was about 23.3% below the postcode norm. At 74 m² it's 29.2% smaller than the typical home in the postcode (105 m² median across 28 EPCs). Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). Last sale on file: £83,000 in May 2024.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Wall insulation improved
Roof insulation improved
Floor insulation added or improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
18 Bwllfa Road 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
18 Bwllfa Road valuation sits well clear of the typical sold price in this postcode.
£218,000
Modelled from EPC, postcode comparables.
£83,000
Recorded with HM Land Registry.
Sales timeline
16 May 2024Most recent
£83,000
Median price across the last 5 sales in SA6 5AL: £262,500 (2025–2024).
Nearby sales in SA6 5AL
51 Bwllfa Road, Ynystawe, Swansea, SA6 5AL
Sold Jan 2025
£275,00019 Bwllfa Road, Ynystawe, Swansea, SA6 5AL
Sold Dec 2024
£235,00034 Bwllfa Road, Ynystawe, Swansea, SA6 5AL
Sold Aug 2024
£262,50029 Bwllfa Road, Ynystawe, Swansea, SA6 5AL
Sold Aug 2024
£280,00015 Bwllfa Road, Ynystawe, Swansea, SA6 5AL
Sold Jul 2024
£195,000
Versus other Bwllfa Road homes
On co₂ emissions, 18 Bwllfa Road stands well clear of the street.
Price per m²
£1,122
Street avg £1,762
Floor Area
74 m²
Street avg 112 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.0 t/year
Street avg 4.8 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Ynystawe Hill — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







