How much is 18 Newport Road, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DA worth?
Estimated value — November 2026
£140,000
Likely range £105,000 – £182,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale October 1998
52%
confidence
Medium
Typically within 12% of the sale price
Property details
Mid-terrace house
Newport Road · Caerphilly · CF83 8DA
Address
- District
- Rhymney Valley
- County
- Mid Glamorgan
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 | £27,667 | £23,850 – £32,293 |
| 2001 | £29,277 | £24,941 – £34,203 |
| 2002 | £37,089 | £31,220 – £43,555 |
| 2003 | £48,917 | £40,713 – £58,010 |
| 2004 | £64,043 | £52,740 – £76,459 |
| 2005 | £71,037 | £58,026 – £85,005 |
| 2006 | £75,286 | £61,015 – £90,436 |
| 2007 | £79,162 | £63,540 – £95,624 |
| 2008 | £70,806 | £56,234 – £86,177 |
| 2009 | £70,274 | £55,325 – £86,017 |
| 2010 | £67,814 | £53,003 – £83,695 |
| 2011 | £71,435 | £55,745 – £88,693 |
| 2012 | £69,028 | £53,658 – £86,412 |
| 2013 | £70,130 | £54,385 – £88,462 |
| 2014 | £75,565 | £64,592 – £88,732 |
| 2015 | £76,951 | £65,086 – £91,189 |
| 2016 | £77,806 | £65,110 – £93,041 |
| 2017 | £83,702 | £69,292 – £100,994 |
| 2018 | £90,447 | £74,064 – £110,107 |
| 2019 | £92,324 | £74,771 – £113,387 |
| 2020 | £100,190 | £80,242 – £124,128 |
| 2021 | £112,936 | £89,436 – £141,136 |
| 2022 | £127,959 | £100,183 – £161,290 |
| 2023 | £126,218 | £97,687 – £160,456 |
| 2024 | £133,098 | £101,816 – £170,636 |
| 2025 | £134,414 | £101,615 – £173,772 |
| 2026 | £140,000 | £105,000 – £182,000 |
Sale history
Mortgage calculator
£751
Estimated monthly repayment
£126,000
Loan amount
£144,500
Total interest
£270,500
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
- 19 Newport Road, Trethomas, Caerphilly, CF83 8DA£85,000 · 2012£168,000
- 20 Newport Road, Trethomas, Caerphilly, CF83 8DA£31,750 · 1998£158,000
- 29 Newport Road, Trethomas, Caerphilly, CF83 8DA£200,000 · 2022£237,000
- 22 Newport Road, Trethomas, Caerphilly, CF83 8DA£210,000 · 2022£250,000
- 17 Newport Road, Trethomas, Caerphilly, CF83 8DA£165,000 · 2022£218,000
- 30 Newport Road, Trethomas, Caerphilly, CF83 8DA£135,000 · 2016£218,000
- 27 Newport Road, Trethomas, Caerphilly, CF83 8DA£130,000 · 2013£241,000
- 32 Newport Road, Trethomas, Caerphilly, CF83 8DA£125,000 · 2012£229,000
- 31 Newport Road, Trethomas, Caerphilly, CF83 8DA£120,000 · 2012£216,000
- 35 Newport Road, Trethomas, Caerphilly, CF83 8DA£230,000 · 2026£249,000
About this property
18 Newport Road, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DA is a mid-terrace house on Newport Road in Caerphilly, Mid Glamorgan. Stede's estimated value for November 2026 is £140,000. Four in five similar homes sold within their likely range when tested; for this property that range is £105,000 to £182,000. It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 95 similar homes in the same postcode sector (25%). The confidence score is 52 out of 100 (medium): estimates like this one are typically within 12% of the eventual sale price.
It last sold in October 1998 for £26,000. It has 2 sales on record, the earliest in 1995. The current estimate is 438% higher than that price. The current owner has held it for about 28 years.
The modelled value is up 5% over the past year and up 26% over the past five years.
Among 10 nearby properties Stede tracks in the CF83 area, estimated values run from £158,000 to £250,000. This mid-terrace house's £140,000 sits below that range.
Common questions
How much is 18 Newport Road, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DA worth?
Stede estimates 18 Newport Road, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DA is worth £140,000 as of November 2026, within a likely range of £105,000 to £182,000. 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 18 Newport Road, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DA last sell?
It last sold in October 1998 for £26,000. There are 2 sales on record, the earliest in 1995.
What type of property is 18 Newport Road, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DA?
It is recorded as a Mid-terrace house on Newport Road in the CF83 postcode area.
How reliable is this estimate?
The confidence score is 52 out of 100 (medium). Tested against real sales of similar homes, estimates like this one are typically within 12% 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 its own last sale brought up to date with the House Price Index (75%) and recent sales of 95 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 26,552 real sales of similar homes.
- Its sale in October 1998, brought up to today with the House Price Index£119,92875%
- 95 similar homes sold recently in the same postcode sector£199,63225%
Estimate £140,000, likely £105,000 – £182,000
Read the full methodology and data sources →