20, Speedwell Close, CF23 8QF

20 Speedwell Close is a 180 m² / 1,938 sq ft detached home in Pontprennau. It sold for £290,000 in December 2006, recorded as a new-build sale. Indexed forward to today's value, that sale is roughly £451k. Recent local prices imply a broad valuation context of £581k to £745k based on its internal area. The Land Registry and EPC data was last updated 4 August 2026.

Property data
Sale history
£290,000 on Dec 2006 New build New
Internal area
180 square metres (1,938 square feet) according to latest EPC inspection
Price per internal area

This property sold for £1,611 per square metre (£150 per square foot) in Dec 2006. Indexed forward to today's value, this is roughly £2,507 per square metre (£233 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Dec 2006 £290,000 £1,611 £451,213 £2,507

Calculated using the latest EPC internal area of 180 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 £451,213. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Pontprennau are now selling for between £3,230 and £4,140 per square metre (£300 and £384 per square foot). Based on an internal area of 180 m², this implies a valuation between £581,000 and £745,000. 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
4
Type
Detached
Council tax band
G
Plot size
268 square metres (2,885 square feet) - map showing freehold boundary lines
EPC Inspections
Summary:
12 April 2016 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
ECO assessment
Tenure:
Owner-occupied
Property type:
Detached House , has 7 habitable rooms. Estimated year built 2012 to onwards
Area:
180 sqm (1,938 square foot) total internal area
Comments:
Walls: Cavity wall, as built, insulated (assumed). Roof: Pitched, insulated (assumed). Heating: Boiler and radiators, mains gas.
Summary:
14 March 2016 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
ECO assessment
Tenure:
Owner-occupied
Property type:
Detached House , has 7 habitable rooms. Estimated year built 2012 to onwards
Area:
180 sqm (1,938 square foot) total internal area
Comments:
Walls: Cavity wall, as built, insulated (assumed). Roof: Pitched, insulated (assumed). Heating: Boiler and radiators, mains gas.
Frequently asked questions

20 Speedwell Close 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 £451,213.
  • Based on an internal area of 180 m² and recent prices in Pontprennau, this implies a lower and upper quartile range from £581,000 to £745,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 20 Speedwell Close last sold for £290,000 in December 2006. The transaction was recorded as a new-build sale.

HouseMetric shows 20 Speedwell Close as 180 m² (1,938 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 4 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 12 April 2016. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 20 Speedwell Close was in council tax band G. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

20 Speedwell Close is in postcode CF23 8QF, in Pontprennau. You can also view HouseMetric's sold-price page for Speedwell Close, CF23 8QF or analysis of the Pontprennau property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 4 August 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.