Compare house prices

How do I compare house prices between areas?

The average house price in Cathays is £298,650 over the last 12 months. Over the past year prices rose 1.8%.

Cymru Wales / South Glamorgan / Cardiff

Cathays

£298,650

Average price, last 12 months

+1.8% in a year
OCT 2016£206kSEPT 2026£299k

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Where is this area?

Boundary outlines for this location, using the same colours as the rest of the page.

What can I buy with my budget in Cathays?

With £300,000 you could afford the average detached house in Cathays.

£300,000

Cathays

  • Flats

    £135,750

    In budget

  • Terraced

    £304,399

    £4k short

  • Semi-detached

    £359,914

    £60k short

  • Detached

    £255,000

    In budget

Average sale price by type of home over the last 12 months, from HM Land Registry. These are averages, so cheaper homes of each type do sell.

How much would a mortgage cost in Cathays?

With a 10% deposit, a 25-year mortgage at 4.5% on the average home in Cathays costs £1,494 a month.

10%
4.5%
25 years
  • Cathays

    £1,494

    a month

    Average price
    £298,650
    Deposit
    £29,865
    Mortgage
    £268,785
    Salary needed at 4.5×
    £59,730

A repayment mortgage on each location's average sale price over the last 12 months. The rate is an example, not a quote, so check current deals. Many lenders cap borrowing at about 4.5 times income.

What does each type of home cost?

Average sale price by property type over the last 12 months.

Detached

  • £255,000

Semi-detached

  • £359,914

Terraced

  • £304,399

Flats

  • £135,750

What kinds of homes sell in each area?

Share of last 12 months' sales by property type.

  • Detached
  • Semi-detached
  • Terraced
  • Flats

Cathays

Mostly terraced houses

84%

How green is Cathays?

Cathays has 0 public parks among 6 green space sites. Green space covers 15.6% of the area: about 13 m² per resident, or 1.9 football pitches for every 1,000 people. Less green space per resident than 83% of areas in England and Wales, where the typical area has 31 m².

  • Cathays

    15.6%

    of the land is green space
    13 m² per resident, or 1.9 football pitches for every 1,000 residents
    0 public parks

Each grid is the location's land, one square per 1%. Green space from OS Open Greenspace, not counting golf courses; Contains OS data © Crown copyright and database right 2026.

How crowded is Cathays?

Cathays has about 84 residents for every football pitch of land, or 30,501 people per square mile, which counts as very high density.

Cathays
84 people per football pitch of land · 30,501 per square mile

Each figure is 5 people. Census 2021 population divided by land area. A football pitch is about 7,140 m² (105 m × 68 m).

How have average house prices moved?

Rolling 12-month average for each location, last 10 years. Gaps mean no sales were recorded that month.

When have prices risen and fallen in Cathays?

Prices in Cathays were down on a year earlier in 42 months of the 108 since October 2017. They are now up 1.8% on a year earlier.

Cathays42 of 108 months down
FallingRising

Each stripe is one month: the rolling 12-month average against the same month a year earlier, since October 2017. Falls are hatched as well as red.

How many homes were sold?

Monthly sales volume for each location, last 10 years.

How do all the numbers compare?

Every measure side by side. The highest value in each row is highlighted.

Latest 12-month average

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    £298,650

Change over 1 year

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    +£5,349

Change over ~10 years

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    +£95,171

Homes sold (last 12 months)

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    134

Number of postcodes

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    540

Households (Census 2021)

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    5,041

Household density

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    8,007 per sq mi · Very High

Population (Census 2021)

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    19,202

Population density

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    30,501 per sq mi · Very High

Green space per resident

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    13 m² per resident · less than 83% of areas

Green space share of area

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    15.6%

Public parks

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    0

Crime rate (per 1,000 residents)

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    67 per 1,000 · High

Crime vs previous 12 months

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    +5.6%

Anti-social behaviour per 1,000 residents

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    4.8 per 1,000

Peak month

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    JUL 2025 · £483,014

Most common price band

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    £200k – £300k · 44.2%

Detached average

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    £255,000

Semi-detached average

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    £359,914

Terraced average

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    £304,399

Flats average

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    £135,750

Detached share of sales

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    1.8%

Semi-detached share of sales

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    6.8%

Terraced share of sales

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    83.8%

Flats share of sales

  • Cathays

    Cymru Wales / South Glamorgan / Cardiff / Cathays

    7.5%

Sold prices from HM Land Registry. Households and population from Census 2021. Green space from OS Open Greenspace, not counting golf courses; Contains OS data © Crown copyright and database right 2026. Crime is police-recorded crime from police.uk, per 1,000 residents, over the latest 12 published months; anti-social behaviour is counted separately. Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.

Thinking of buying a property?

There's a lot to think about. Whether it's a home to live in or a buy-to-let, our free checklist walks you through what to check before you make an offer.

What to check before you buy

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

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