House prices in St Mellons

Median value — July 2026

£465,826

Modelled from 4 properties Stede tracks in St Mellons

Market snapshot

£465,826

Median value

£500,898

Average value

0

Sales in the last 12 months

+3%

Change over the past year

Value over time

  • Modelled value
£100k£200k£300k£400k£500k20002002200420062008201020122014201620182020202220242026

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£121,355
2001£140,420
2002£174,124
2003£207,482
2004£255,607
2005£261,218
2006£274,730
2007£281,500
2008£250,663
2009£255,931
2010£258,506
2011£265,143
2012£265,807
2013£273,619
2014£299,478
2015£310,444
2016£321,762
2017£339,255
2018£352,764
2019£363,341
2020£373,919
2021£409,730
2022£456,451
2023£446,951
2024£453,191
2025£460,335
2026£465,826

Property types

  • Detached house50%£581,179
  • Semi-detached house50%£420,618

Recent sales

Addresses in St Mellons

About this area

St Mellons, in Cardiff, is a village. Stede can model 4 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.

As of July 2026, St Mellons has a median estimated value of £465,826 and an average of £500,898.

Modelled values in St Mellons are +3% over the past year and +16% over five years.

The market here is mostly detached houses, which make up 50% of the properties Stede tracks in St Mellons.

Common questions

What is the average house price in St Mellons?

As of July 2026, the average estimated value is £500,898 and the median is £465,826 across 4 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 +3% over the past year and +16% over five years, based on the UK House Price Index.

What types of property are in St Mellons?

50% of the properties Stede tracks in St Mellons are detached houses. semi-detached houses are next most common, at 50%.

How many properties are in St Mellons?

Stede can model 4 properties in St Mellons, with 0 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 →