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5 Cwm Gwynlais, Tongwynlais, Cardiff, CF15 7HU

How much is 5 Cwm Gwynlais, Tongwynlais, Cardiff, CF15 7HU worth?

Estimated value — November 2026

£343,000

Likely range £274,000 – £390,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale July 1997

64%

confidence

Medium

Typically within 9% of the sale price

Property details

Detached house

Cwm Gwynlais · Cardiff · CF15 7HU

88 m²947 sq ftFloor area
1983-1990Built
Mains gas boilerHeating

Energy performance

Current ratingC72
PotentialB86

Mains Gas (Not Community) · EPC 6634-1828-6400-0651-0206 · inspected August 2024

Address

District
Cardiff
County
Cardiff
See house prices in CF15 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£100k£200k£300k£400k20002002200420062008201020122014201620182020202220242026£343,000

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£111,468£95,375 – £128,138
2001£126,995£107,627 – £146,252
2002£153,602£129,008 – £177,667
2003£175,172£146,006 – £202,700
2004£208,361£172,681 – £240,560
2005£208,881£172,065 – £241,003
2006£217,765£177,989 – £251,667
2007£223,358£181,146 – £258,684
2008£201,211£162,136 – £233,528
2009£204,456£164,248 – £238,010
2010£210,101£168,761 – £245,132
2011£214,764£172,312 – £251,648
2012£212,486£170,458 – £249,405
2013£218,029£193,271 – £234,893
2014£237,355£208,761 – £256,832
2015£245,959£214,627 – £267,301
2016£254,502£220,322 – £277,784
2017£264,758£227,369 – £290,226
2018£276,258£235,334 – £304,134
2019£283,241£239,323 – £313,156
2020£291,053£243,911 – £323,164
2021£315,656£262,346 – £351,969
2022£346,223£285,356 – £387,683
2023£337,355£275,713 – £379,343
2024£339,783£275,347 – £383,674
2025£342,574£275,239 – £388,440
2026£343,000£274,000 – £390,000

Sale history

1997Sold
£83,000
2026Today — estimated
+313%£343,000

Mortgage calculator

£1,841

Estimated monthly repayment

£308,700

Loan amount

£354,024

Total interest

£662,724

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

5 Cwm Gwynlais, Tongwynlais, Cardiff, CF15 7HU is a detached house on Cwm Gwynlais in Cardiff. Stede's estimated value for November 2026 is £343,000. Four in five similar homes sold within their likely range when tested; for this property that range is £274,000 to £390,000. 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 19 similar homes in the same postcode sector (25%). The confidence score is 64 out of 100 (medium): estimates like this one are typically within 9% of the eventual sale price.

It last sold in July 1997 for £83,000. The current estimate is 313% higher than that price. The current owner has held it for about 29 years.

Its EPC energy-efficiency rating is band C (72 out of 100), with a potential of band B (86) after the recommended improvements. The certificate records a total floor area of 88 m² (947 sq ft). It was lodged in August 2024.

The modelled value is unchanged over the past year and up 10% over the past five years.

Among 10 nearby properties Stede tracks in the CF15 area, estimated values run from £293,000 to £416,000. This detached house's £343,000 sits toward the lower end of that range.

Common questions

How much is 5 Cwm Gwynlais, Tongwynlais, Cardiff, CF15 7HU worth?

Stede estimates 5 Cwm Gwynlais, Tongwynlais, Cardiff, CF15 7HU is worth £343,000 as of November 2026, within a likely range of £274,000 to £390,000. 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 5 Cwm Gwynlais, Tongwynlais, Cardiff, CF15 7HU last sell?

It last sold in July 1997 for £83,000.

What type of property is 5 Cwm Gwynlais, Tongwynlais, Cardiff, CF15 7HU?

It is recorded as a Detached house on Cwm Gwynlais in the CF15 postcode area.

What is the EPC rating of 5 Cwm Gwynlais, Tongwynlais, Cardiff, CF15 7HU?

5 Cwm Gwynlais, Tongwynlais, Cardiff, CF15 7HU has an EPC energy-efficiency rating of band C (72 out of 100). Its potential rating after the recommended improvements is band B (86). The certificate records a floor area of 88 m² (947 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 64 out of 100 (medium). Tested against real sales of similar homes, estimates like this one are typically within 9% 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 19 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 16,524 real sales of similar homes.

  • Recent price per m² in the same postcode sector, for its 88 m²£318,22650%
  • Its sale in July 1997, brought up to today with the House Price Index£375,90325%
  • 19 similar homes sold recently in the same postcode sector£358,29125%

Estimate £343,000, likely £274,000 – £390,000

Read the full methodology and data sources →