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St John Avenue, Radyr, Cardiff

MyStreetCheck free street report: St John Avenue, Radyr, Cardiff · 30 October 2026 · www.mystreetcheck.co.uk/cardiff-cardiff/st-john-avenue/

House prices, sold prices and local information for CF15 8GS.

Average price (last 12 months)
£485,000
1 sale
Average price (since 2019)
£355,954
48 sales
Price range
£196k – £510k
lowest to highest sale
Last sale
11 May 2026
CF15 8GS

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At a glance

48 property sales on St John Avenue, Radyr, Cardiff have been recorded by HM Land Registry since 2019. In the last 12 months 1 home sold here for an average of £485,000. Most sales here are detached homes, which have sold for an average of £408,321. 2 homes here have sold more than once since 2019; 2 of them sold for more the second time. By property type, sales here have been 48% detached, 31% semi-detached, 21% terraced. Recorded sale prices on St John Avenue range from £195,996 to £509,995. Every home sold here was sold freehold.

House prices on St John Avenue compared

CF15 postcode area£384,421
Cardiff£315,449
England & Wales£358,701

Average sale price over the last 12 months. St John Avenue has had fewer than two sales in that time, so it is left out. See all CF15 house prices.

Average sale price by year

2019: £366,995 (1 sales)2019£367k2021: £337,813 (11 sales)2021£338k2022: £371,495 (4 sales)2022£371k2023: £474,995 (1 sales)2023£475k2024: £352,995 (29 sales)2024£353k2025: £319,995 (1 sales)2025£320k2026: £485,000 (1 sales)2026£485k

Tenure: 100% freehold and 0% leasehold across 51 recorded sales.

Prices by property type

TypeSalesAverage priceLast sold
Detached23£408,32130 Aug 2024
Semi-detached15£325,09511 May 2026
Terraced10£281,79612 Dec 2024

Sold prices on St John Avenue

AddressDatePriceTypeTenure
30, St John Avenue CF15 8GS 11 May 2026£485,000 Semi-detachedFreehold
13, St John Avenue CF15 8GS 30 Apr 2025£468,995 Detached New buildFreehold
3, St John Avenue CF15 8GS 31 Jan 2025£319,995 Semi-detached New buildFreehold
5, St John Avenue CF15 8GS 12 Dec 2024£319,995 Terraced New buildFreehold
19, St John Avenue CF15 8GS 13 Sep 2024£279,995 Semi-detached New buildFreehold
21, St John Avenue CF15 8GS 30 Aug 2024£195,996 Detached New buildFreehold
16, St John Avenue CF15 8GS 23 Aug 2024£509,995 Detached New buildFreehold
25, St John Avenue CF15 8GS 23 Aug 2024£279,995 Semi-detached New buildFreehold
1, St John Avenue CF15 8GS 16 Aug 2024£324,995 Semi-detached New buildFreehold
23, St John Avenue CF15 8GS 16 Aug 2024£279,995 Semi-detached New buildFreehold
10, St John Avenue CF15 8GS 9 Aug 2024£279,995 Semi-detached New buildFreehold
17, St John Avenue CF15 8GS 9 Aug 2024£444,995 Detached New buildFreehold
4, St John Avenue CF15 8GS 9 Aug 2024£324,995 Semi-detached New buildFreehold
8, St John Avenue CF15 8GS 9 Aug 2024£279,995 Semi-detached New buildFreehold
27, St John Avenue CF15 8GS 2 Aug 2024£324,495 Semi-detached New buildFreehold
29, St John Avenue CF15 8GS 2 Aug 2024£326,995 Semi-detached New buildFreehold
35, St John Avenue CF15 8GS 2 Aug 2024£326,995 Semi-detached New buildFreehold
38, St John Avenue CF15 8GS 12 Jul 2024£248,000 TerracedFreehold
6, St John Avenue CF15 8GS 28 Jun 2024£227,496 Semi-detached New buildFreehold
31, St John Avenue CF15 8GS 21 Jun 2024£454,995 Detached New buildFreehold
11, St John Avenue CF15 8GS 31 May 2024£279,995 Terraced New buildFreehold
15, St John Avenue CF15 8GS 31 May 2024£364,995 Detached New buildFreehold
7, St John Avenue CF15 8GS 31 May 2024£279,995 Terraced New buildFreehold
9, St John Avenue CF15 8GS 31 May 2024£279,995 Terraced New buildFreehold
33, St John Avenue CF15 8GS 23 May 2024£326,995 Semi-detached New buildFreehold
37, St John Avenue CF15 8GS 3 May 2024£389,995 Detached New buildFreehold
45, St John Avenue CF15 8GS 3 May 2024£389,995 Detached New buildFreehold
43, St John Avenue CF15 8GS 28 Apr 2024£387,495 Detached New buildFreehold
39, St John Avenue CF15 8GS 26 Apr 2024£444,995 Detached New buildFreehold
41, St John Avenue CF15 8GS 26 Apr 2024£444,995 Detached New buildFreehold
14, St John Avenue CF15 8GS 8 Mar 2024£454,995 Detached New buildFreehold
18, St John Avenue CF15 8GS 29 Jan 2024£454,995 Detached New buildFreehold
20, St John Avenue CF15 8GS 29 Jan 2024£448,995 Detached New buildFreehold
22, St John Avenue CF15 8GS 29 Jan 2024£509,995 Detached New buildFreehold
47, St John Avenue CF15 8GS 20 Jan 2023£474,995 Detached New buildFreehold
49, St John Avenue CF15 8GS 15 Dec 2022£349,995 Detached New buildFreehold
51, St John Avenue CF15 8GS 25 Nov 2022£349,995 Detached New buildFreehold
53, St John Avenue CF15 8GS 19 Oct 2022£372,995 Detached New buildFreehold
55, St John Avenue CF15 8GS 14 Oct 2022£412,995 Detached New buildFreehold
24, St John Avenue CF15 8GS 14 Dec 2021£385,995 Detached New buildFreehold
30, St John Avenue CF15 8GS 15 Nov 2021£379,995 Semi-detached New buildFreehold
32, St John Avenue CF15 8GS 30 Sep 2021£379,995 Terraced New buildFreehold
42, St John Avenue CF15 8GS 27 Aug 2021£379,995 Semi-detached New buildFreehold
44, St John Avenue CF15 8GS 27 Aug 2021£379,995 Semi-detached New buildFreehold
38, St John Avenue CF15 8GS 30 Jul 2021£234,995 Terraced New buildFreehold
36, St John Avenue CF15 8GS 13 Jul 2021£234,995 Terraced New buildFreehold
34, St John Avenue CF15 8GS 9 Jul 2021£279,995 Terraced New buildFreehold
40, St John Avenue CF15 8GS 9 Jul 2021£279,995 Terraced New buildFreehold
28, St John Avenue CF15 8GS 18 Jun 2021£389,995 Detached New buildFreehold
26, St John Avenue CF15 8GS 28 May 2021£389,995 Detached New buildFreehold
12

Sale prices are as recorded by HM Land Registry. Some sales (for example repossessions and company purchases) are listed but left out of the averages.

Sale history: homes sold more than once

AddressSalesChange
30, St John Avenue £379,995 (Nov 2021) → £485,000 (May 2026) +28%
over 4 yrs
38, St John Avenue £234,995 (Jul 2021) → £248,000 (Jul 2024) +6%
over 3 yrs

Buying on St John Avenue?

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Crime and flood risk near St John Avenue

Crime

71 crimes were reported within about a mile of St John Avenue in August 2026.

Violence & sexual offences20
Anti-social behaviour14
Shoplifting9
Public order8
Criminal damage & arson5
Vehicle crime4

Source: data.police.uk. Locations are approximate and cover the surrounding area, not just this street.

Flood risk

St John Avenue is not in or near any Environment Agency flood warning or alert area.

Flood warning areas cover places at risk from rivers and the sea. Surface water risk isn't included. Check the long-term flood risk for a postcode on GOV.UK.

Getting around, shops and health

Train stations

  • Radyr station 0.6 mi · 11 min walk
  • Danescourt station 1.0 mi · 19 min walk
  • Llandaf station 1.0 mi · 20 min walk

Nearest bus stops

  • Heol Isaf (o/s 124, Heol Isaf) 1 min walk
  • Heol Isaf (opp 122, Heol Isaf) 2 min walk
  • Maes Y Llech (nr, Llantrisant Road) 2 min walk
  • Ty Gwyn (before, Llantrisant Road) 3 min walk

GP surgeries

  • Radyr Medical Centre
    Rectory Close, Radyr, Cardiff · 0.4 mi
  • Llandaff North Medical Ce
    99 Station Road, Llandaff North, Cardiff · 1.0 mi
  • Whitchurch Village Practice
    Whitchurch Medical Centre, Park Road, Cardiff · 1.2 mi
  • Fairwater Health Centre
    Plasmawr Road, Cardiff · 1.3 mi

Supermarkets

  • The Co-operative Food Co-op Radyr - Station Road · 0.5 mi
  • Morrisons Daily Morrisons Daily Cardiff Radyr Station Road · 0.5 mi
  • The Co-operative Food Co-op Llandaff - Radyr Court · 0.6 mi
  • Asda Express Asda Llantrisant Express Petrol · 1.0 mi

Pharmacies

  • Well · 0.5 mi
  • Knights Danescourt Pharmacy · 0.6 mi
  • Bainbridge Pharmacy · 1.0 mi

Dentists

  • The Courtyard Dental Care · 0.6 mi
  • Fairwater Dental Surgery · 0.8 mi
  • Dental Surgery · 1.1 mi

Sources: Department for Transport (NaPTAN), NHS England organisation data, and GEOLYTIX Retail Points (open data). Walking times are estimates from straight-line distance.

Area profile

Homes

HereEng & Wales
Owned76.3%62.5%
Private rented16.2%20.3%
Social rented7.5%17.1%
Households890

People

HereEng & Wales
Under 1523.9%17.4%
Aged 15–6467.4%64.1%
Aged 65+8.6%18.6%
Residents2,290

Broadband

HereUK
Superfast (30Mbit+)100%95%
Ultrafast (300Mbit+)100%80%
Gigabit-capable100%80%

Share of homes on this street's postcodes that can get each speed. UK figure is the average across all postcodes. Source: Ofcom Connected Nations.

Mobile signal

HereEng & Wales
4G indoors, all 4 networks98%89%
4G indoors, at least 1 network100%100%
4G outdoors, all 4 networks100%99%
Calls indoors, all 4 networks99%92%

Share of homes across Cardiff with good coverage (Jul 2025). Signal varies street by street; check your exact address on Ofcom's checker. Source: Ofcom Connected Nations.

Neighbourhood figures cover the surrounding Lower Layer Super Output Area (about 1,500 residents). Sources: Census 2021 (ONS) and the English Indices of Deprivation 2025.

Energy ratings and home sizes on St John Avenue

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Who lives around St John Avenue

Ethnic group

HereCardiff
White87.8%79.2%
Asian, Asian British or Asian Welsh5.1%9.7%
Mixed or Multiple ethnic groups4.1%4%
Other ethnic group1.6%3.3%
Black, Black British, Black Welsh, Caribbean or African1.4%3.8%

Religion

HereCardiff
No religion46.9%42.9%
Christian41.4%38.4%
Not answered6%6.3%
Muslim2.5%9.3%
Hindu2.4%1.5%
Buddhist0.4%0.5%
Other religion0.3%0.6%
Jewish0%–

Country of birth

HereCardiff
Born in the UK90.5%83.5%
Born outside the UK9.5%16.5%

Highest qualification

HereCardiff
Level 4 qualifications and above64.5%40%
Level 3 qualifications13%19.2%
Level 2 qualifications9.7%11.1%
No qualifications5.7%16.3%
Level 1 and entry level qualifications4.1%6.9%
Apprenticeship2.1%3.9%
Other qualifications0.8%2.6%

General health

HereCardiff
Very good health65.7%50.1%
Good health26.7%31.8%
Fair health5.7%12.2%
Bad health1.7%4.5%
Very bad health0.3%1.4%

Cars or vans per household

HereCardiff
1 car or van in household42.6%43%
2 cars or vans in household41.1%24%
3 or more cars or vans in household9.5%7%
No cars or vans in household6.7%26%

Source: Census 2021 (ONS), via Nomis. Percentages of usual residents or households, as recorded in March 2021.

Figures cover the surrounding neighbourhood (Lower Layer Super Output Area, about 1,500 residents). Full demographics of Cardiff.

Planning and heritage near St John Avenue

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Noise, radon and ground hazards

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Planning applications near St John Avenue

Recent planning applications around St John Avenue from the council's planning register. Choose how far to look:

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Council tax here

Cardiff Band D is £2,013 a year (Band A £1,342). See every band.

Estate agents near St John Avenue

  • Michael Graham Young 0.5 mi
  • Thomas H Wood 0.5 mi
  • Kings Super Cut 1.0 mi
  • Thomas H Wood 1.3 mi
  • Fortis Estate Agents 1.4 mi

Agent locations © OpenStreetMap contributors. More local agents

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Nearby streets in CF15

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