12, Y Llanerch, SA4 9DR

12 Y Llanerch is a 166 m² / 1,787 sq ft detached home in Penllergaer. It sold for £440,000 in July 2026. Indexed forward to today's value, that sale is roughly £428k. Recent local prices imply a broad valuation context of £390k to £520k based on its internal area. The Land Registry and EPC data was last updated 8 October 2026.

Property data
Sale history
Date Paid price Annual growth After inflation
Jul 2026 £440,000 3.5% 0.7%
May 2003 New build New £199,995 na na
Internal area
166 square metres (1,787 square feet) according to latest EPC inspection
Price per internal area

This property sold for £2,650 per square metre (£246 per square foot) in Jul 2026. Indexed forward to today's value, this is roughly £2,578 per square metre (£239 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Jul 2026 £440,000 £2,651 £427,905 £2,578
May 2003 £199,995 £1,205 £481,065 £2,898

Calculated using the latest EPC internal area of 166 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 £427,905. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Penllergaer are now selling for between £2,350 and £3,130 per square metre (£218 and £290 per square foot). Based on an internal area of 166 m², this implies a valuation between £390,000 and £520,000. 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
5
Type
Detached
Council tax band
F
Plot size
413 square metres (4,445 square feet) - map showing freehold boundary lines
EPC Inspections
Summary:
19 January 2026 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Detached House , has 8 habitable rooms. Estimated year built 2003 to 2006
Area:
166 sqm (1,787 square foot) total internal area
Comments:
Walls: Cavity wall, as built, insulated (assumed). Roof: Pitched, 200 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

12 Y Llanerch 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 £427,905.
  • Based on an internal area of 166 m² and recent prices in Penllergaer, this implies a lower and upper quartile range from £390,000 to £520,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 12 Y Llanerch last sold for £440,000 in July 2026.

HouseMetric shows 12 Y Llanerch as 166 m² (1,787 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 5 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 19 January 2026. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 12 Y Llanerch was in council tax band F. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

12 Y Llanerch is in postcode SA4 9DR, in Penllergaer. You can also view HouseMetric's sold-price page for Y Llanerch, SA4 9DR or analysis of the Penllergaer property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 8 October 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.