Compare house prices

How do I compare house prices between areas?

The average house price in Pentwyn is £233,191 over the last 12 months. Over the past year prices rose 3.4%.

Cymru Wales / South Glamorgan / Cardiff

Pentwyn

£233,191

Average price, last 12 months

+3.4% in a year
OCT 2016£154kSEPT 2026£233k

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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 Pentwyn?

With £240,000 you could afford the average terraced house in Pentwyn.

£240,000

Pentwyn

  • Flats

    £166,866

    In budget

  • Terraced

    £227,130

    In budget

  • Semi-detached

    £248,840

    £9k short

  • Detached

    £386,250

    £146k short

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 Pentwyn?

With a 10% deposit, a 25-year mortgage at 4.5% on the average home in Pentwyn costs £1,167 a month.

10%
4.5%
25 years
  • Pentwyn

    £1,167

    a month

    Average price
    £233,191
    Deposit
    £23,319
    Mortgage
    £209,872
    Salary needed at 4.5×
    £46,638

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

  • £386,250

Semi-detached

  • £248,840

Terraced

  • £227,130

Flats

  • £166,866

What kinds of homes sell in each area?

Share of last 12 months' sales by property type.

  • Detached
  • Semi-detached
  • Terraced
  • Flats

Pentwyn

Mostly terraced houses

27%
50%
17%

How green is Pentwyn?

Pentwyn has 1 public park among 8 green space sites. Green space covers 5.5% of the area: about 13 m² per resident, or 1.8 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.

  • Pentwyn

    5.5%

    of the land is green space
    13 m² per resident, or 1.8 football pitches for every 1,000 residents
    1 public park

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 Pentwyn?

Pentwyn has about 31 residents for every football pitch of land, or 11,107 people per square mile, which counts as very high density.

Pentwyn
31 people per football pitch of land · 11,107 per square mile

Each figure is 2 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 Pentwyn?

Prices in Pentwyn were down on a year earlier in 19 months of the 108 since October 2017. They are now up 3.4% on a year earlier.

Pentwyn19 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

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    £233,191

Change over 1 year

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    +£7,716

Change over ~10 years

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    +£79,221

Homes sold (last 12 months)

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    87

Number of postcodes

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    309

Households (Census 2021)

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    3,178

Household density

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    4,381 per sq mi · Very High

Population (Census 2021)

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    8,057

Population density

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    11,107 per sq mi · Very High

Green space per resident

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    13 m² per resident · less than 83% of areas

Green space share of area

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    5.5%

Public parks

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    1

Crime rate (per 1,000 residents)

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    70 per 1,000 · High

Crime vs previous 12 months

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    −24.1%

Anti-social behaviour per 1,000 residents

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    5.6 per 1,000

Peak month

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    MAY 2026 · £291,000

Most common price band

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    £200k – £300k · 53.6%

Detached average

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    £386,250

Semi-detached average

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    £248,840

Terraced average

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    £227,130

Flats average

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    £166,866

Detached share of sales

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    6.6%

Semi-detached share of sales

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    26.5%

Terraced share of sales

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    50.3%

Flats share of sales

  • Pentwyn

    Cymru Wales / South Glamorgan / Cardiff / Pentwyn

    16.6%

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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