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Neighbourhood · Cardiff

Pwll-mawr & St Mellons East: house prices and how the area is changing

Official figures for the Pwll-mawr & St Mellons East neighbourhood of Cardiff, Wales (ONS area Cardiff 011). Headline figures assembled 3 October 2026. Additional local information checked 13 October 2026. Postcodes CF23, CF3. Figures that read a point use the neighbourhood's centre, near CF3 0RQ.

An affluent neighbourhood, changing little against Cardiff

Pwll-mawr & St Mellons East is an affluent neighbourhood; it is changing little against Cardiff (few signs of gentrification: 2 of 20 signals rising, 3 falling). Houses here typically resell for £250,000 and flats for £145,000 (median resale prices, 2023-2025). Recorded crime is lower than across Cardiff (0.6 times the borough's rate) and the nearest railway station, Heath High Level, is 5.6 km from the neighbourhood's centre.

The neighbourhood in brief, from the figures on this page. Summary updated 13 October 2026; source dates are shown below.

Typical house price

£250,000

Median resale price of houses in the neighbourhood, 2023-2025; +43% against 2017-2019.

Source: HM Land Registry Price Paid Data

Typical flat price

£145,000

Median resale price of flats in the neighbourhood, 2023-2025; +12% against 2017-2019.

Source: HM Land Registry Price Paid Data

Affluence today

Affluent

How well off the neighbourhood is now, from household income, home prices and deprivation.

Source: ONS, HM Land Registry, MHCLG Indices of Deprivation

Signs of gentrification

Few signs

Weighted balance -0.09; 2 of 20 signals up, 3 down, against the borough.

Source: Official statistics on prices, incomes, benefits, businesses, schools and more (a full report shows every signal)

Average household income

£49,700

ONS estimate for the neighbourhood (modelled, with a margin of error).

Source: Office for National Statistics

Recorded crime

0.6 times the borough's rate

Crimes recorded by the police over 12 months (not anti-social behaviour) per resident, against the borough. Crime per resident can overstate the risk in busy centres where many people work or visit.

Source: Police.uk

Where Pwll-mawr & St Mellons East sits in Cardiff

  • Typical house price: 18th lowest of 48 neighbourhoods in Cardiff
  • Typical flat price: 8th lowest of the 34 neighbourhoods in Cardiff with enough flat sales for one
  • Average household income: 23rd highest of 48 neighbourhoods in Cardiff

Ranked among the council's neighbourhoods by the figures on each one's own page, checked 13 October 2026: typical prices are HM Land Registry resale medians over the latest three-year window, household income the ONS's modelled estimate, with a margin of error, so neighbourhoods a place or two apart may not really differ.

Prices over time in Pwll-mawr & St Mellons East

House prices: Pwll-mawr & St Mellons East against Cardiff: This neighbourhood £43k (1995) to £225k (2026); Cardiff £50k (1995) to £303k (2026).£75k£270k2026202120162011200620011995This neighbourhood£225kCardiff£303k
Median resale price of houses each year here and across Cardiff, 1995 to 2026 (HM Land Registry Price Paid Data: standard sales, new builds left out). Years with fewer than 10 sales here are left out. 2026 is the year so far (dashed).

Source: HM Land Registry Price Paid Data, held locally and checked 13 October 2026. Medians each year, not a valuation of any home.

How the area is changing, signal by signal

2 of 20 counted signals point towards rising affluence against Cardiff, 3 the other way and 15 in line. A reading of official statistics against the borough, not a prediction; a full report shows every signal's figures and weight. Where this reading sits among every neighbourhood in England and Wales: the gentrification league table.

Rising against the borough

  • Plug-in car growth
  • Homes selling

Falling behind the borough

  • Anti-social behaviour
  • Home improvement applications
  • Benefit claims (DWP)

Stations nearby

Nearest station

  • Heath High Level Railway station, 5.6 km from the neighbourhood's centre in a straight line. About 12 trains an hour leave between 07:00 and 19:00 on a weekday: Transport for Wales to Barry Island (about 45 min) and Caerphilly (about 12 min).

Station locations: NaPTAN (Department for Transport). Trains: Network Rail's timetable for Tuesday 6 October 2026, with the timetabled minutes of direct trains; timetabled, not live running. Distances from the neighbourhood's centre in a straight line, walked at 4.8 km/h; the real route is longer.

Questions about Pwll-mawr & St Mellons East

What is the typical house price in Pwll-mawr & St Mellons East?

£250,000. Median resale price of houses in the neighbourhood, 2023-2025; +43% against 2017-2019.

How does Pwll-mawr & St Mellons East compare with the rest of Cardiff?

Typical house price: 18th lowest of 48 neighbourhoods in Cardiff. Typical flat price: 8th lowest of the 34 neighbourhoods in Cardiff with enough flat sales for one. Average household income: 23rd highest of 48 neighbourhoods in Cardiff.

Is Pwll-mawr & St Mellons East an affluent area?

Affluent. How well off the neighbourhood is now, from household income, home prices and deprivation.

Is Pwll-mawr & St Mellons East gentrifying?

Few signs. Weighted balance -0.09; 2 of 20 signals up, 3 down, against the borough.

What is the nearest station to Pwll-mawr & St Mellons East?

Heath High Level. Railway station, 5.6 km from the neighbourhood's centre in a straight line. About 12 trains an hour leave between 07:00 and 19:00 on a weekday: Transport for Wales to Barry Island (about 45 min) and Caerphilly (about 12 min).

Each answer repeats a figure shown above, with its source there.

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Neighbourhood names: House of Commons Library, MSOA Names, Open Parliament Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Contains National Statistics data © Crown copyright and database right 2026. Contains public sector information (MHCLG, Police.uk, Ofsted, Department for Education) licensed under the Open Government Licence v3.0. Station locations from NaPTAN (Department for Transport), Open Government Licence v3.0. Trains: contains information of Network Rail Infrastructure Limited licensed under the Open Government Licence v3.0. Figures describe the area, not any home, and are not a valuation or a prediction.