19, William Street, SA9 1AT

19 William Street is a 104 m² / 1,119 sq ft detached home in Ystradgynlais. It sold for £71,000 in November 2013. Indexed forward to today's value, that sale is roughly £117k. Recent local prices imply a broad valuation context of £159k to £260k based on its internal area. The Land Registry and EPC data was last updated 1 June 2026.

Property data
Sale history
£71,000 on Nov 2013
Internal area
104 square metres (1,119 square feet) according to latest EPC inspection
Price per internal area

This property sold for £682 per square metre (£63 per square foot) in Nov 2013. Indexed forward to today's value, this is roughly £1,129 per square metre (£105 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Nov 2013 £71,000 £683 £117,424 £1,129

Calculated using the latest EPC internal area of 104 m². Earlier sale dates may not have had the same measured area available.

Valuation
The most recent sale price indexed forward to today's value is £117,424. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Ystradgynlais are now selling for between £1,530 and £2,500 per square metre (£142 and £232 per square foot). Based on an internal area of 104 m², this implies a valuation between £159,000 and £260,000. Treat this as context only. For a valuation using hand-picked comparable sales, use the Advanced search tool — create a shortlist of similar condition homes, then export a valuation report.
Bedrooms
2
Type
Detached
Council tax band
B
Plot size
171 square metres (1,841 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 19 William Street. Advertised on multiple portals. It was added on 23/07/2013. It last appeared Dec 2013.
Photos:

There are 8 archived estate agent listing photos for 19 William Street.

Photos for 19 William Street
View photos
Advertiser remarks:
  • 2 bedrooms
EPC Inspections
Summary:
08 October 2008 - energy performance certificate grade D
Reason for EPC:
None
Tenure:
Owner-occupied
Property type:
None , has 4 habitable rooms. Estimated year built 1900 to 1929
Area:
104 sqm (1,119 square foot) total internal area
Comments:
Frequently asked questions

19 William Street is worth whatever price a willing buyer and seller agree upon. However, the following can provide useful context.

  • HouseMetric estimates the most recent sale price indexed forward to today's value is £117,424.
  • Based on an internal area of 104 m² and recent prices in Ystradgynlais, this implies a lower and upper quartile range from £159,000 to £260,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 19 William Street last sold for £71,000 in November 2013.

HouseMetric shows 19 William Street as 104 m² (1,119 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 2 bedrooms. Bedroom numbers can come from a previous estate agency listing, an EPC record, or an estimate based on the size of the property.

The latest EPC rating shown by HouseMetric is D, from an inspection dated 08 October 2008. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 19 William Street was in council tax band B. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

19 William Street is in postcode SA9 1AT, in Ystradgynlais. You can also view HouseMetric's sold-price page for William Street, SA9 1AT or analysis of the Ystradgynlais property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 1 June 2026. Figures such as indexed values and local valuation ranges are calculated estimates for context, while official records can change as public datasets are updated.

For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.