11 Glannant Terrace, Ystradgynlais, Swansea, SA9 1BD
About 11 Glannant Terrace
11 Glannant Terrace is a semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1BD). It has a recorded floor area of 81 m² (around 872 sq ft) and construction records dating it to 1900-1929. The latest certificate (February 2021) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (April 2010); the latest reading is one band lower. Between certificates, roof efficiency dropped from Good to Poor and lighting dropped from Average to Poor. The recommended improvements would lift it to B (score 83), a 3-band jump.
Across 2012–2021, sale prices on this property compounded at 7.7% per year. Today's modelled estimate of £176,000 is 26.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£159/sq ft) was about 35.2% above the typical sold price in the postcode. Last sale on file: £139,000 in August 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 11 Glannant Terrace
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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Planning history
11 Glannant Terrace has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 11 Glannant Terrace
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
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£176,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.7% per year over 9 years.
£139,000
Growth on file: 7.7% per year over 9 years.
Sales timeline
1 August 2021Most recent
£139,000
+91.7%over 8 years25 October 2012
£72,500
Median price across the last 5 sales in SA9 1BD: £144,500 (2024–2023).
Nearby sales in SA9 1BD
The Elms, Glannant Terrace, Ystradgynlais, Swansea, SA9 1BD
Sold Jun 2024
£325,00010 Glannant Terrace, Ystradgynlais, Swansea, SA9 1BD
Sold Apr 2024
£144,5002 Glannant Terrace, Ystradgynlais, Swansea, SA9 1BD
Sold Feb 2024
£124,40016 Glannant Terrace, Ystradgynlais, Swansea, SA9 1BD
Sold Oct 2023
£175,0007 Glannant Terrace, Ystradgynlais, Swansea, SA9 1BD
Sold Sept 2021
£95,000
Everything we know about 11 Glannant Terrace, 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 Glannant Terrace homes
On habitable rooms, 11 Glannant Terrace stands well clear of the street.
Price per m²
£1,716
Street avg £1,476
Floor Area
81 m²
Street avg 77 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
5.0 t/year
Street avg 5.1 t/year
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Glanrhyd Hospital — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.