15, Heol Undeb, SA12 9DN

15 Heol Undeb is a 100 m² / 1,076 sq ft semi-detached home in Cwmavon. It sold for £125,000 in May 2016. Indexed forward to today's value, that sale is roughly £234k. Recent local prices imply a broad valuation context of £136k to £207k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.

Property data
Sale history
Date Paid price Annual growth After inflation
May 2016 £125,000 3.4% 1.2%
Jul 2007 £93,000 na na
Internal area
100 square metres (1,076 square feet) according to latest EPC inspection
Price per internal area

This property sold for £1,250 per square metre (£116 per square foot) in May 2016. Indexed forward to today's value, this is roughly £2,340 per square metre (£217 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
May 2016 £125,000 £1,250 £234,020 £2,340
Jul 2007 £93,000 £930 £158,400 £1,584

Calculated using the latest EPC internal area of 100 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 £234,020. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Cwmavon are now selling for between £1,360 and £2,070 per square metre (£126 and £192 per square foot). Based on an internal area of 100 m², this implies a valuation between £136,000 and £207,000. 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
Semi-detached
Council tax band
B
Plot size
197 square metres (2,120 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 15 Heol Undeb. Advertised on multiple portals. It was . It last appeared Jul 2007.
Photos:

There are 1 archived estate agent listing photos for 15 Heol Undeb.

Photos for 15 Heol Undeb
View photos
Advertiser remarks:
  • 3 bedrooms
Planning applications
Planning ref:
April 2010 P2010/0207
Type:
Full and householder planning application
Status:
Application approved
Address:
15 HEOL UNDEB CWMAVON PORT TALBO
Description:
single storey side and rear extension
EPC Inspections
Summary:
04 August 2015 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Marketed sale
Tenure:
Owner-occupied
Property type:
Semi-Detached House , has 6 habitable rooms. Estimated year built 1930 to 1949
Area:
100 sqm (1,076 square foot) total internal area
Comments:
Walls: Cavity wall, filled cavity. Roof: Pitched, 250 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

15 Heol Undeb 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 £234,020.
  • Based on an internal area of 100 m² and recent prices in Cwmavon, this implies a lower and upper quartile range from £136,000 to £207,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 15 Heol Undeb last sold for £125,000 in May 2016.

HouseMetric shows 15 Heol Undeb as 100 m² (1,076 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 3 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 C, from an inspection dated 04 August 2015. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 15 Heol Undeb was in council tax band B. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

15 Heol Undeb is in postcode SA12 9DN, in Cwmavon. You can also view HouseMetric's sold-price page for Heol Undeb, SA12 9DN or analysis of the Cwmavon property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 2 July 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.