21, Castle Street, NP20 2DF

21 Castle Street is a 115 m² / 1,238 sq ft terraced home in Newport. It sold for £190,000 in July 2026. Indexed forward to today's value, that sale is roughly £189k. Recent local prices imply a broad valuation context of £186k to £344k based on its internal area. The Land Registry and EPC data was last updated 1 November 2026.

Property data
Sale history
Date Paid price Annual growth After inflation
Jul 2026 £190,000 23.0% 19.0%
May 2024 £120,000 -0.1% -2.8%
Nov 2006 £122,000 na na
Internal area
115 square metres (1,238 square feet) according to latest EPC inspection
Price per internal area

This property sold for £1,652 per square metre (£153 per square foot) in Jul 2026. Indexed forward to today's value, this is roughly £1,642 per square metre (£153 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Jul 2026 £190,000 £1,652 £188,864 £1,642
May 2024 £120,000 £1,043 £127,968 £1,113
Nov 2006 £122,000 £1,061 £205,812 £1,790

Calculated using the latest EPC internal area of 115 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 £188,864. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Newport are now selling for between £1,620 and £2,990 per square metre (£150 and £277 per square foot). Based on an internal area of 115 m², this implies a valuation between £186,000 and £344,000. 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
Terrace
Council tax band
B
Plot size
149 square metres (1,604 square feet) - map showing freehold boundary lines
EPC Inspections
Summary:
07 May 2026 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Private rental
Property type:
Mid-Terrace House , has 6 habitable rooms. Estimated year built 1900 to 1929
Area:
115 sqm (1,238 square foot) total internal area
Comments:
Walls: Sandstone, as built, no insulation (assumed). Roof: Pitched, insulated (assumed). Heating: Boiler and radiators, mains gas.
Summary:
28 November 2014 - energy performance certificate grade E
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
None of the above
Tenure:
Owner-occupied
Property type:
Mid-Terrace House , has 6 habitable rooms. Estimated year built before 1900
Area:
116 sqm (1,249 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.
Summary:
17 June 2014 - energy performance certificate grade E
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
None of the above
Tenure:
Owner-occupied
Property type:
Mid-Terrace House , has 6 habitable rooms. Estimated year built 1900 to 1929
Area:
118 sqm (1,270 square foot) total internal area
Comments:
Walls: Granite or whinstone, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.
Summary:
23 September 2013 - energy performance certificate grade E
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
None of the above
Tenure:
Owner-occupied
Property type:
Mid-Terrace House , has 6 habitable rooms. Estimated year built 1900 to 1929
Area:
112 sqm (1,206 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.
Frequently asked questions

21 Castle Street 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 £188,864.
  • Based on an internal area of 115 m² and recent prices in Newport, this implies a lower and upper quartile range from £186,000 to £344,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 21 Castle Street last sold for £190,000 in July 2026.

HouseMetric shows 21 Castle Street as 115 m² (1,238 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 D, from an inspection dated 07 May 2026. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 21 Castle Street was in council tax band B. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

21 Castle Street is in postcode NP20 2DF, in Newport. You can also view HouseMetric's sold-price page for Castle Street, NP20 2DF or analysis of the Newport property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 1 November 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.