1, Castleton Avenue, CF42 5SS

1 Castleton Avenue is a 128 m² / 1,378 sq ft semi-detached home in Treherbert. It sold for £75,000 in June 2011. Indexed forward to today's value, that sale is roughly £163k. Recent local prices imply a broad valuation context of £119k to £198k based on its internal area. The Land Registry and EPC data was last updated 2 July 2026.

Property data
Sale history
£75,000 on Jun 2011
Internal area
128 square metres (1,378 square feet) according to latest EPC inspection
Price per internal area

This property sold for £585 per square metre (£54 per square foot) in Jun 2011. Indexed forward to today's value, this is roughly £1,270 per square metre (£118 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Jun 2011 £75,000 £586 £162,509 £1,270

Calculated using the latest EPC internal area of 128 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 £162,509. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Treherbert are now selling for between £930 and £1,550 per square metre (£86 and £143 per square foot). Based on an internal area of 128 m², this implies a valuation between £119,000 and £198,000. 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
306 square metres (3,294 square feet) - map showing freehold boundary lines
Planning applications
Planning ref:
June 2019 19/0349/10
Type:
Full and householder planning application
Status:
Application approved
Address:
1 Castleton Avenue Tynewydd Treherbert Treorchy
Description:
Garage & workshop/store including associated retaining features.
Planning ref:
August 2018 18/0544/10
Type:
Full and householder planning application
Status:
Application approved
Address:
1 Castleton Avenue Tynewydd Treherbert Treorchy
Description:
Proposed detached garage & workshop/store.
EPC Inspections
Summary:
05 October 2010 - energy performance certificate grade E
Reason for EPC:
None
Tenure:
Owner-occupied
Property type:
None , has 6 habitable rooms. Estimated year built 1900 to 1929
Area:
128 sqm (1,378 square foot) total internal area
Comments:
Frequently asked questions

1 Castleton Avenue 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 £162,509.
  • Based on an internal area of 128 m² and recent prices in Treherbert, this implies a lower and upper quartile range from £119,000 to £198,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 1 Castleton Avenue last sold for £75,000 in June 2011.

HouseMetric shows 1 Castleton Avenue as 128 m² (1,378 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 E, from an inspection dated 05 October 2010. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 1 Castleton Avenue was in council tax band B. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

1 Castleton Avenue is in postcode CF42 5SS, in Treherbert. You can also view HouseMetric's sold-price page for Castleton Avenue, CF42 5SS or analysis of the Treherbert 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.