Property data
Sale history
Date Paid price Annual growth After inflation
Aug 2025 £165,000 18.4% 13.9%
Feb 2023 £108,000 na na
Internal area
77 square metres (829 square feet) according to latest EPC inspection
Price per internal area

This property sold for £2,142 per square metre (£199 per square foot) in Aug 2025. Indexed forward to today's value, this is roughly £2,192 per square metre (£204 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Aug 2025 £165,000 £2,143 £168,787 £2,192
Feb 2023 £108,000 £1,403 £118,781 £1,543

Calculated using the latest EPC internal area of 77 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 £168,787. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Pontarddulais are now selling for between £1,710 and £2,550 per square metre (£158 and £236 per square foot). Based on an internal area of 77 m², this implies a valuation between £132,000 and £196,000. 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
3
Type
Terrace
Council tax band
B
Plot size
170 square metres (1,830 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 20 Williams Street. Advertised on multiple portals. It was added on 15/10/2022. It last appeared Nov 2022.
Photos:

There are 15 archived estate agent listing photos for 20 Williams Street.

Photos for 20 Williams Street
View photos
Advertiser remarks:
  • 2 bedrooms
  • 1 bathrooms
EPC Inspections
Summary:
27 February 2021 - energy performance certificate grade C
Reason for EPC:
None of the above
Tenure:
Owner-occupied
Property type:
Mid-Terrace House , has 5 habitable rooms. Estimated year built before 1900
Area:
77 sqm (829 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 300 mm loft insulation. Heating: Boiler and radiators, mains gas.

Summary:
25 January 2021 - energy performance certificate grade F
Reason for EPC:
None of the above
Tenure:
Owner-occupied
Property type:
Mid-Terrace House , has 5 habitable rooms. Estimated year built before 1900
Area:
77 sqm (829 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 300 mm loft insulation. Heating: No system present: electric heaters assumed.

Summary:
15 January 2021 - energy performance certificate grade G
Reason for EPC:
None of the above
Tenure:
Owner-occupied
Property type:
Mid-Terrace House , has 5 habitable rooms. Estimated year built before 1900
Area:
76 sqm (818 square foot) total internal area
Comments:
Walls: Granite or whinstone, as built, no insulation (assumed). Roof: Pitched, 300 mm loft insulation. Heating: No system present: electric heaters assumed.