How many parks and green spaces are in Old St. Mellons? 2 public parks

Old St. Mellons has 2 public parks among 15 green space sites. Green space covers 4.2% of the area: about 32 m² per resident, or 4.4 football pitches for every 1,000 people. More green space per resident than 52% of areas in England and Wales, where the typical area has 31 m².

Green space per resident
32 m²
More green space than
52% of areas
Football pitches per 1,000 people
4.4

Public green space from OS Open Greenspace; golf courses are listed but not counted. Per resident uses Census 2021 population. Contains OS data © Crown copyright and database right 2026. How we calculate this

All house prices in Old St. Mellons

What are the largest parks in Old St. Mellons?

Beech Tree Park is the largest public park in Old St. Mellons, at 8,977 m². 1 of the 2 public parks have a name.

Largest public parks in Old St. Mellons
ParkSize
Beech Tree Park8,977 m²

What kinds of green space are there in Old St. Mellons?

Other sports facilities cover the most ground in Old St. Mellons: 10.1 hectares. Golf courses are shown but left out of the green space total, because most need a membership.

Green space in Old St. Mellons by type
TypeArea
Other sports facilities10.1 hectares · 2 sites
Playing fields1.9 hectares · 2 sites
Public parks and gardens1.7 hectares · 2 sites
Churchyards and religious grounds1.1 hectares · 3 sites
Tennis courts1,206 m² · 1 site
Cemeteries1,145 m² · 2 sites
Play spaces502 m² · 2 sites
Allotments and community growing spaces125 m² · 0 sites
Golf coursesNot counted9.4 hectares · 1 site

Does Old St. Mellons have a lot of green space?

About average. Old St. Mellons has 32 m² of green space per resident, against 31 m² in the typical area of England and Wales and 32 m² across Cardiff. More green space per resident than 52% of areas in England and Wales.

Green space per resident in Old St. Mellons compared with other areas
AreaPer resident
Old St. MellonsThis area32 m² per resident
Cardiff32 m² per resident
Typical area in England and Wales31 m² per resident

A full-size football pitch is about 7,140 m². 32 m² for every resident adds up to 4.4 football pitches of parks, playing fields and other public green space for every 1,000 people.

Typical means the middle fifth of areas in England and Wales. The bands split every area we cover into fifths by green space per resident, from Very Low to Very High.

What else do people ask about Old St. Mellons?

More quick answers on house prices, sales, areas and green space in Old St. Mellons.

Where does this data come from?

Price information is from HM Land Registry, location boundaries are from OpenStreetMap, and households and population are from Nomis Census 2021 postcode estimates (21 March 2021). Parks and green space are from OS Open Greenspace. Contains OS data © Crown copyright and database right 2026.

Last updated 7 October 2026 at 03:28 with the latest Land Registry data (August 2026). The Old St. Mellons dataset covers 134 postcodes.

Read our full data methodology

Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

About·Data methodology·Buying checklist