16 17, Pelican Street, Ystradgynlais, Swansea, SA9 1LG
About 16 17
16 17 is an end-of-terrace house in Ystradgynlais, Swansea, Swansea (SA9 1LG). It has a recorded floor area of 174 m² (around 1873 sq ft) and construction records dating it to 1900-1929. The latest certificate (July 2013) shows an F (score 33), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 74), a 3-band jump. The latest certificate is from July 2013, so improvements made since then won't be reflected.
It hasn't traded since July 2005, a hold of 21 years that's notably long for the area. At 174 m² the property is well over the postcode median (93 m² across 16 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). Across 1998–2005, sale prices on this property compounded at 23.4% per year. Today's modelled estimate of £256,000 is 31.3% above the 2005 sale price. On a £-per-square-foot basis, the last sale (£104/sq ft) was about 16.9% above the typical sold price in the postcode.
Know exactly what you're buying at 16 17
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
16 17's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 25 Jul 2023
EPC Rating
Planning history
16 17 has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 16 17
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Latest sale on 16 17 was the highest on Land Registry record across the postcode.
£256,000
Modelled from EPC, postcode comparables and a sale-price growth of 23.4% per year over 7 years.
£195,000
Growth on file: 23.4% per year over 7 years.
Sales timeline
7 July 2005Most recent
£195,000
+343.2%over 3 years4 October 2001
£44,000
+3.5%over 3 years8 April 1998
£42,500
Median price across the last 5 sales in SA9 1LG: £118,000 (2025–2019).
Nearby sales in SA9 1LG
2 Pelican Street, Ystradgynlais, Swansea, SA9 1LG
Sold Apr 2025
£140,00029 Pelican Street, Ystradgynlais, Swansea, SA9 1LG
Sold Sept 2023
£150,000Old Pelican House, Pelican Street, Ystradgynlais, Swansea, SA9 1LG
Sold Jul 2023
£118,00013 Pelican Street, Ystradgynlais, Swansea, SA9 1LG
Sold Dec 2019
£80,00030 Pelican Street, Ystradgynlais, Swansea, SA9 1LG
Sold Nov 2019
£75,000
Everything we know about 16 17, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Pelican Street homes
Floor Area for 16 17 runs comfortably ahead of the street norm.
Price per m²
£1,121
Street avg £1,267
Floor Area
174 m²
Street avg 90 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
12.0 t/year
Street avg 4.9 t/year
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Teddy Bear Bridge — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.