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33 Islwyn Street, Abercarn, Newport, Caerphilly, NP11 4ST

How much is 33 Islwyn Street, Abercarn, Newport, Caerphilly, NP11 4ST worth?

Estimated value — November 2026

£103,000

Likely range £54,000 – £136,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale August 1997

12%

confidence

Low

Typically within 22% of the sale price

Property details

Mid-terrace house

Islwyn Street · Newport · NP11 4ST

Address

District
Caerphilly
County
Caerphilly
See house prices in NP11 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£50k£100k£150k20002002200420062008201020122014201620182020202220242026£103,000

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
Modelled value at the end of each year, with any recorded sales
YearModelled valueLikely range
2000£23,234£19,162 – £27,200
2001£25,534£20,608 – £30,092
2002£32,238£25,468 – £38,366
2003£41,767£32,325 – £50,015
2004£52,352£39,770 – £62,876
2005£55,471£41,343 – £66,922
2006£62,053£45,271 – £75,353
2007£63,849£45,563 – £78,115
2008£52,863£36,947 – £65,116
2009£52,618£36,121 – £65,348
2010£52,072£35,259 – £65,120
2011£51,188£34,123 – £64,589
2012£52,321£34,377 – £66,490
2013£50,585£37,031 – £59,713
2014£54,654£39,114 – £65,120
2015£57,475£40,190 – £69,116
2016£61,329£41,878 – £74,428
2017£66,279£44,171 – £81,168
2018£72,927£47,405 – £90,115
2019£74,609£47,275 – £93,018
2020£80,154£49,473 – £100,816
2021£88,575£53,218 – £112,387
2022£98,426£57,522 – £125,973
2023£95,645£54,328 – £123,471
2024£96,573£53,271 – £125,736
2025£100,825£53,962 – £132,386
2026£103,000£54,000 – £136,000

Sale history

1997Sold
£20,000
2026Today — estimated
+415%£103,000

Mortgage calculator

£553

Estimated monthly repayment

£92,700

Loan amount

£106,310

Total interest

£199,010

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

About this property

33 Islwyn Street, Abercarn, Newport, Caerphilly, NP11 4ST is a mid-terrace house on Islwyn Street in Newport, Caerphilly. Stede's estimated value for November 2026 is £103,000. Four in five similar homes sold within their likely range when tested; for this property that range is £54,000 to £136,000. It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 97 similar homes in the same postcode sector (25%). The confidence score is 12 out of 100 (low): estimates like this one are typically within 22% of the eventual sale price.

It last sold in August 1997 for £20,000. The current estimate is 415% higher than that price. The current owner has held it for about 29 years.

The modelled value is up 3% over the past year and up 18% over the past five years.

Among 8 nearby properties Stede tracks in the NP11 area, estimated values run from £139,000 to £180,000. This mid-terrace house's £103,000 sits below that range.

Common questions

How much is 33 Islwyn Street, Abercarn, Newport, Caerphilly, NP11 4ST worth?

Stede estimates 33 Islwyn Street, Abercarn, Newport, Caerphilly, NP11 4ST is worth £103,000 as of November 2026, within a likely range of £54,000 to £136,000. 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 33 Islwyn Street, Abercarn, Newport, Caerphilly, NP11 4ST last sell?

It last sold in August 1997 for £20,000.

What type of property is 33 Islwyn Street, Abercarn, Newport, Caerphilly, NP11 4ST?

It is recorded as a Mid-terrace house on Islwyn Street in the NP11 postcode area.

How reliable is this estimate?

The confidence score is 12 out of 100 (low). Tested against real sales of similar homes, estimates like this one are typically within 22% 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 97 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 1,382 real sales of similar homes.

  • Its sale in August 1997, brought up to today with the House Price Index£87,35075%
  • 97 similar homes sold recently in the same postcode sector£148,21325%

Estimate £103,000, likely £54,000 – £136,000

Read the full methodology and data sources →