How much is 23 Castle Street, Newport, NP20 2DF worth?
Estimated value — November 2026
£183,000
Likely range £138,000 – £217,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale March 1997
58%
confidence
Medium
Typically within 11% of the sale price
Property details
Mid-terrace house
Castle Street · Newport · NP20 2DF
Energy performance
Mains Gas (Not Community) · EPC 0978-0200-8105-4119-2210 · inspected March 2025 · lodged April 2025
Address
- District
- Newport
- County
- Newport
Value over time
- Modelled value
- Projected
- Likely range (80%)
- Today's estimate
Drawn through each of this property's recorded sales and ending at today's estimate, with the UK House Price Index for its area and property type filling in the months between. The shaded band is where four in five prices fell when we tested this line against real sales of similar homes; it widens the further a month is from a recorded sale, and today it matches the likely range above.
View as a table
| Year | Modelled value | Likely range |
|---|---|---|
| 2000 | £28,411 | £24,070 – £32,828 |
| 2001 | £31,816 | £26,656 – £36,958 |
| 2002 | £40,911 | £33,907 – £47,759 |
| 2003 | £53,961 | £44,339 – £62,987 |
| 2004 | £68,832 | £56,142 – £80,323 |
| 2005 | £74,187 | £59,989 – £86,685 |
| 2006 | £84,386 | £67,531 – £99,010 |
| 2007 | £88,256 | £69,986 – £103,809 |
| 2008 | £74,248 | £58,380 – £87,763 |
| 2009 | £75,068 | £58,878 – £89,020 |
| 2010 | £75,431 | £58,975 – £89,865 |
| 2011 | £75,268 | £58,704 – £90,204 |
| 2012 | £78,074 | £60,759 – £93,645 |
| 2013 | £76,575 | £65,853 – £84,676 |
| 2014 | £83,907 | £71,457 – £93,314 |
| 2015 | £89,463 | £75,441 – £100,057 |
| 2016 | £96,766 | £80,790 – £108,836 |
| 2017 | £105,974 | £87,592 – £119,862 |
| 2018 | £118,132 | £96,654 – £134,360 |
| 2019 | £122,411 | £99,132 – £140,000 |
| 2020 | £133,173 | £106,734 – £153,149 |
| 2021 | £148,990 | £118,165 – £172,280 |
| 2022 | £167,576 | £131,505 – £194,830 |
| 2023 | £164,788 | £127,940 – £192,629 |
| 2024 | £168,348 | £129,296 – £197,854 |
| 2025 | £177,790 | £135,062 – £210,073 |
| 2026 | £183,000 | £138,000 – £217,000 |
Sale history
Mortgage calculator
£982
Estimated monthly repayment
£164,700
Loan amount
£188,882
Total interest
£353,582
Total repayable
A guide only, based on a capital repayment mortgage held at a constant interest rate for the full term. Not a mortgage offer or financial advice.
Related properties
- 5 Castle Street, Newport, NP20 2DF£161,000 · 2025£177,000
- 31 Castle Street, Newport, NP20 2DF£148,000 · 2024£174,000
- 1B, Castle Street, Newport, NP20 2DF£135,000 · 2019£195,000
- 29 Castle Street, Newport, NP20 2DF£97,000 · 2016£169,000
- 3 Castle Street, Newport, NP20 2DF£102,000 · 2008£187,000
- 21 Castle Street, Newport, NP20 2DF£190,000 · 2026£210,000
- 1A, Castle Street, Newport, NP20 2DF£105,000 · 2019£144,000
- 25 Castle Street, Newport, NP20 2DF£77,585 · 2015£151,000
- 11 Castle Street, Newport, NP20 2DF£45,000 · 2002£205,000
- 9 Castle Street, Newport, NP20 2DF£48,000 · 1998£207,000
About this property
23 Castle Street, Newport, NP20 2DF is a mid-terrace house on Castle Street in Newport. Stede's estimated value for November 2026 is £183,000. Four in five similar homes sold within their likely range when tested; for this property that range is £138,000 to £217,000. It combines their price per m² applied to its floor area (50%), its own last sale brought up to date with the House Price Index (25%) and recent sales of 84 similar homes in the same postcode sector (25%). The confidence score is 58 out of 100 (medium): estimates like this one are typically within 11% of the eventual sale price.
It last sold in March 1997 for £22,000. The current estimate is 732% higher than that price. The current owner has held it for about 29 years.
Its EPC energy-efficiency rating is band C (71 out of 100), with a potential of band B (84) after the recommended improvements. The certificate records a total floor area of 108 m² (1,163 sq ft). It was lodged in April 2025.
The modelled value is up 4% over the past year and up 24% over the past five years.
Among 10 nearby properties Stede tracks in the NP20 area, estimated values run from £144,000 to £210,000. This mid-terrace house's £183,000 sits around the middle of that range.
Common questions
How much is 23 Castle Street, Newport, NP20 2DF worth?
Stede estimates 23 Castle Street, Newport, NP20 2DF is worth £183,000 as of November 2026, within a likely range of £138,000 to £217,000. The estimate is generated automatically from recorded sale prices of this and similar nearby homes and the UK House Price Index, and is not a formal valuation.
When did 23 Castle Street, Newport, NP20 2DF last sell?
It last sold in March 1997 for £22,000.
What type of property is 23 Castle Street, Newport, NP20 2DF?
It is recorded as a Mid-terrace house on Castle Street in the NP20 postcode area.
What is the EPC rating of 23 Castle Street, Newport, NP20 2DF?
23 Castle Street, Newport, NP20 2DF has an EPC energy-efficiency rating of band C (71 out of 100). Its potential rating after the recommended improvements is band B (84). The certificate records a floor area of 108 m² (1,163 sq ft). EPC data is published by the Ministry of Housing, Communities & Local Government and reflects the most recent certificate on record.
How reliable is this estimate?
The confidence score is 58 out of 100 (medium). Tested against real sales of similar homes, estimates like this one are typically within 11% of the sale price, and four in five sold within their likely range. The figure is a data model, not a RICS valuation or Home Report, and should not be used for mortgage or legal decisions.
How does Stede calculate this estimate?
It combines their price per m² applied to its floor area (50%), its own last sale brought up to date with the House Price Index (25%) and recent sales of 84 similar homes in the same postcode sector (25%). Each piece of evidence gets the share that proved most accurate when tested against real sales of similar homes, and the same testing sets the likely range and confidence. Full detail is on the methodology page.
How we got this figure
We weighed the evidence below, giving each piece the share that proved most accurate when we tested it against real sales of similar homes. The likely range and confidence come from testing the same method against 49,875 real sales of similar homes.
- Recent price per m² in the same postcode sector, for its 108 m²£221,68950%
- Its sale in March 1997, brought up to today with the House Price Index£99,13025%
- 84 similar homes sold recently in the same postcode sector£190,21525%
Estimate £183,000, likely £138,000 – £217,000
Read the full methodology and data sources →