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House prices in St Mellons

Median value — November 2026

£248,000

Modelled from 3,242 properties Stede tracks in St Mellons

Market snapshot

£248,000

Median value

£263,663

Average value

111

Sales in the last 12 months

+1%

Change over the past year

Value over time

  • Modelled value
  • Projected
£50k£100k£150k£200k£250k20002002200420062008201020122014201620182020202220242026

Modelled month by month from the UK House Price Index, averaged across every property type Stede tracks here.

View as a table
Modelled value at the end of each year, with any recorded sales
YearModelled value
2000£64,563
2001£74,706
2002£92,637
2003£110,384
2004£135,987
2005£138,972
2006£146,160
2007£149,762
2008£133,356
2009£136,159
2010£137,529
2011£141,060
2012£141,413
2013£145,570
2014£159,327
2015£165,161
2016£171,182
2017£180,489
2018£187,676
2019£193,303
2020£198,930
2021£217,983
2022£242,839
2023£237,785
2024£241,105
2025£244,993
2026£248,000

Property types

  • Semi-detached house36%£249,000
  • Mid-terrace house33%£211,000
  • Detached house26%£329,000
  • Flat / Maisonette5%£122,000
  • Property0%£201,000

Recent sales

Addresses in St Mellons

About this area

St Mellons, in Cardiff, is a village. Stede can model 3,242 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.

As of November 2026, St Mellons has a median estimated value of £248,000 and an average of £263,663.

Modelled values in St Mellons are +1% over the past year and +15% over five years.

The market here is mostly semi-detached houses, which make up 36% of the properties Stede tracks in St Mellons.

111 sales were recorded in St Mellons over the past 12 months.

Common questions

What is the average house price in St Mellons?

As of November 2026, the average estimated value is £263,663 and the median is £248,000 across 3,242 properties Stede tracks in St Mellons. This is not a formal market valuation.

Are house prices in St Mellons going up or down?

Modelled values in St Mellons are +1% over the past year and +15% over five years, based on the UK House Price Index.

What types of property are in St Mellons?

36% of the properties Stede tracks in St Mellons are semi-detached houses. mid-terrace houses are next most common, at 33%.

How many properties are in St Mellons?

Stede can model 3,242 properties in St Mellons, with 111 recorded sales in the past 12 months.

How does Stede calculate house prices for St Mellons?

These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources used for every individual property valuation on Stede. Full detail is on the methodology page.

How we calculate this

These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources behind every individual property valuation on Stede.

Read the full methodology and data sources →