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Liveable© 2026

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Data sources

Contains OS, National Statistics and HM Land Registry data © Crown copyright and database right 2026.

Contains public sector information from Ofsted, the Food Standards Agency, data.police.uk, the Environment Agency, Defra, the Regulator of Social Housing and the Energy Performance of Buildings Register, licensed under the Open Government Licence v3.0. Map data © OpenStreetMap contributors and Protomaps.

All data, scores, and rankings are provided for general information only and do not constitute professional, financial, or property advice. We accept no liability for any loss arising from reliance on this information. See our Terms & Conditions for full details. Searchbase Limited (17146810).

Thornhill - Best areas to live in 2026 (and areas to avoid map)

Home/Cardiff/Thornhill

Thornhill

B+

Liveable Score

Very good area

£350kAverage sold price

73%belownational crime average

A

Outdoor spaces

C+

Amenities

A

Transport

C

Schools

Vibe: Fitness fanatics
Demographics: Homeowner families

Interactive liveability map of Thornhill showing color-coded areas with Liveable Scores ranging from A+ (Outstanding - dark green) to C (Challenged - red). Crime hotspots are marked with red pulsing indicators in 6 locations. Thornhill boundary is outlined in blue.Map allows users to explore different neighborhoods and their liveability ratings within the area.

C

C+

B

B+

A

A+

Crime hotspots

(off)

Spotted a mistake?

Nearby Places

Llanishen

suburb

1.1 km away

Lisvane

suburb

1.3 km away

Rhiwbina

suburb

1.3 km away

Heath

suburb

2.5 km away

Pantmawr

suburb

2.5 km away

Birchgrove

suburb

2.6 km away

Llanishen

suburb

1.1 km away

Lisvane

suburb

1.3 km away

Outdoor Spaces

Allotments

Allotments

Ample

Play Space

Play Space

Adequate

Golf Course

Golf Course

Ample

Public Park

Public Park

Plentiful

Tennis Court

Tennis Court

Ample

Bowling Green

Bowling Green

Limited

Playing Field

Playing Field

Adequate

Local Amenities

Pubs & Bars

Pubs & Bars

Limited

Restaurants & Cafes

Restaurants & Cafes

Adequate

Retail Shopping

Retail Shopping

Limited

Supermarkets

Supermarkets

Adequate

Takeaways

Takeaways

Limited

Transport Links

train

Lisvane and Thornhill

Train

train

Llanishen

Train

train

Ty Glas

Train

train

Heath High Level

Train

train

Birchgrove

Train

motorway

J32M4

Motorway

motorway

J30M4

Motorway

Schools

Outstanding0 schools

Good0 schools

Requires Improvement0 schools

Thornhill Primary School

Christ The King R.C. Primary School

Llanishen High School

Coed Glas Primary School

Llanishen Fach Primary School

Thornhill House Prices

The average house price in Thornhill is £349,919, based on HM Land Registry Price Paid Data. The sold house prices graph below shows Thornhill house price trends over the last 30 years.

Sold house prices Thornhill graph showing house price trends over the last 30 years.

Average prices by property type

all dwelling types

£349,919

Detached house prices

£501,615

Flats and maisonettes prices

£180,757

Semi-detached house prices

£348,529

Terraced house prices

£248,485

Sold prices

Recent sales in Thornhill

See what your budget buys here, street by street, and how each home’s price has changed over time.

Free to explore

What sold, and for how much?

Under £250k
£250k–£350k
£350k–£450k
£450k–£600k
£600k–£800k
Over £800k

See all the best places in Cardiff

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There’s more to Thornhill

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Frequently Asked Questions

Is Thornhill a nice place to live?

Yes, Thornhill is a very good place to live. We've given it a liveable rating of B+. This means it ranks highly among places in Cardiff. It particularly appeals to homeowner families. Locals particularly enjoy access to parks and outdoor spaces.

How safe is Thornhill?

Thornhill has a low crime rate for a Welsh suburb, with around 20 recorded crimes per 1,000 people a year. This is 73% below the national average, and 75% below the Cardiff average.

What are the demographics of Thornhill?

The majority of residents in Thornhill identify as White (British) (88%). Most residents were born in the United Kingdom (92%). The area has a mix of religious beliefs with no single faith forming a majority.