17 Penygraig Road, Ystradowen, Swansea, SA9 2YP
About 17 Penygraig Road
17 Penygraig Road is a four-bedroom detached house in Ystradowen, Swansea, Swansea (SA9 2YP). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (September 2022) shows a D (score 55), a step below the typical UK home. When first surveyed in February 2014 the rating was G, the property has climbed 3 bands since. Between certificates, roof efficiency went from Very Poor to Good, hot-water efficiency went from Very Poor to Average and lighting went from Average to Very Good. The recommended improvements would push it to C (score 80). Main heating runs on oil.
One planning record on file: an extension approved in 2025. Past consents include an extension, meaningful when judging how the property has evolved. At 112 m² it's 19.8% larger than the typical home in the postcode (94 m² median across 12 EPCs). Across 1997–2024, sale prices on this property compounded at 10.3% per year. On a £-per-square-foot basis, the last sale (£205/sq ft) was about 55.3% above the typical sold price in the postcode. Sold August 2024 for £247,000.
Know exactly what you're buying at 17 Penygraig Road
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Energy performance
17 Penygraig Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Fuel source changed
Heating controls upgraded for better temperature management
Hot water system upgraded
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Planning history
17 Penygraig Road has an approved single-storey rear extension on the planning record.
- Apr 2025ExtensionFullIn report
Extension: Single storey · Rear of property
Proposed single storey rear domestic extension on an existing patio area
- Documents
- 10 docs on file
- Reference
- PL/09077
What's in 17 Penygraig Road, Ystradowen, Swansea, SA9 2YP's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Latest sale on 17 Penygraig Road was the highest on Land Registry record across the postcode.
£267,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.3% per year over 27 years.
£247,000
Growth on file: 10.3% per year over 27 years.
Sales timeline
22 August 2024Most recent
£247,000
+671.9%over 22 years16 May 2002
£32,000
+93.9%over 5 years28 February 1997
£16,500
Median price across the last 5 sales in SA9 2YP: £175,000 (2024–2016).
Nearby sales in SA9 2YP
11 Penygraig Road, Ystradowen, Swansea, SA9 2YP
Sold Jun 2024
£200,00015 Penygraig Road, Ystradowen, Swansea, SA9 2YP
Sold Dec 2019
£192,50037 Penygraig Road, Ystradowen, Swansea, SA9 2YP
Sold Feb 2019
£161,00050 Penygraig Road, Ystradowen, Swansea, SA9 2YP
Sold Nov 2016
£38,00033 Penygraig Road, Ystradowen, Swansea, SA9 2YP
Sold Nov 2013
£188,000
Everything we know about 17 Penygraig Road, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Penygraig Road homes
17 Penygraig Road is notably below the street on years held.
Price per m²
£2,205
Street avg £1,437
Floor Area
112 m²
Street avg 91 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
6.8 t/year
Street avg 6.3 t/year
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Gwys Berrington Arms — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.