16 Glannant Terrace, Ystradgynlais, Swansea, SA9 1BD
About 16 Glannant Terrace
16 Glannant Terrace is a three-bedroom semi-detached house in Ystradgynlais, Swansea, Swansea (SA9 1BD). It has a recorded floor area of 95 m² (around 1023 sq ft) and construction records dating it to 1900-1929. The latest certificate (March 2023) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since October 2010. Between certificates, roof efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 72). Other recorded features include a basement. Our model identifies extension potential, subject to local planning policy.
At 95 m² it's 27.5% larger than the typical home in the postcode (75 m² median across 8 EPCs). Across 2009–2023, sale prices on this property compounded at 13.2% per year. Today's modelled estimate of £193,000 is 10.3% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£171/sq ft) was about 53.5% above the typical sold price in the postcode. Last sale on file: £175,000 in October 2023. One historical planning record sits against the property in 2022.
Know exactly what you're buying at 16 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
What this property has
Inside
- Bedrooms3
- Bathrooms2
- BasementYes
Outside
- Private gardenrear
- DrivewayYes
Building
- Extension potentialPossible
Energy performance
16 Glannant Terrace's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Council records include a part-single-part-two-storey extension at 16 Glannant Terrace.
- Nov 2022ExtensionFullIn report
Extension: Part single, part two storey
Erection of single and two storey extension
- Documents
- 13 docs on file
- Reference
- 22/1636/HH
We flagged 1 thing worth checking at 16 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
16 Glannant Terrace has more than quadrupled in price since its earliest registered sale in 2009.
£193,000
Modelled from EPC, postcode comparables and a sale-price growth of 13.2% per year over 14 years.
£175,000
Growth on file: 13.2% per year over 14 years.
Sales timeline
15 October 2023Most recent
£175,000
+34.6%over 3 years22 November 2019
£130,000
+333.3%over 10 years28 July 2009
£30,000
Median price across the last 5 sales in SA9 1BD: £124,400 (2024–2021).
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
£124,4007 Glannant Terrace, Ystradgynlais, Swansea, SA9 1BD
Sold Sept 2021
£95,00011 Glannant Terrace, Ystradgynlais, Swansea, SA9 1BD
Sold Aug 2021
£139,000
Everything we know about 16 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
Floor Area for 16 Glannant Terrace runs comfortably ahead of the street norm.
Price per m²
£1,842
Street avg £1,450
Floor Area
95 m²
Street avg 75 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
6.0 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
0.2 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.