23 St John Avenue, CF15 8GS
Semi-detached house · Freehold · Cardiff
Data updates monthly. Explore Cardiff on the map →
Everything above is free. This is what we'd tell a friend.
A 5 page dossier for 23 St John Avenue: the specific red flags worth raising before you offer, every comparable sale within 400m lined up against this asking price, and the questions an experienced buyer would ask. Not more records. Our judgement on the ones above.
Official records only. No valuations, no estimates. Not a survey.
Sale history
- £279,99516 August 2024 · New build · Semi-detached house
Completions appear roughly 7 weeks after the event.
Planning history at this property
No planning applications matched to this exact address. Address-level coverage begins mid-2026, so this isn't proof nothing was ever filed here.
Around 23 St John Avenue
Amber pins are planning applications from the last two years. Train and school icons show the nearest rail links and schools. Tap anything for details.
Local intelligence
Crime within 500 metres, nearest stations, schools and deprivation context around this address.
Crime within 500m
40offences in 12 months
- vehicle crime13
- violence and sexual offences7
- other theft6
- anti social behaviour6
Rail links
11min walk to Radyr
- Radyr901m · ~11 min
- Danescourt1.6km · ~19 min
- Llandaf1.6km · ~20 min
Schools within 1km
2within walking distance
- Radyr Comprehensive School349m
- Ysgol Gynradd Groes-Wen Primary592m
Deprivation (IMD)
No IMD data for this neighbourhood.
Area context
District-level figures for CF15, not specific to this address.
District averages, not a per-address assessment.
Energy efficiency at CF15 8GS
Postcode-level figures from the MHCLG EPC register. No certificate matched this exact address, which usually means none has been lodged since 2008.
The area: Cardiff (CF15)
Whether this address is a good buy depends on where Cardiff is heading. Praesago tracks prices, crime, planning, schools and 30+ official sources for CF15, updated monthly.
Recent sales near 23 St John Avenue
| 30 St John Avenue | £485,000 | May 2026 |
| 3 St John Avenue | £319,995 | Jan 2025 |
| 5 St John Avenue | £319,995 | Dec 2024 |
| 19 St John Avenue | £279,995 | Sept 2024 |
| 21 St John Avenue | £195,996 | Aug 2024 |
| 25 St John Avenue | £279,995 | Aug 2024 |
| 16 St John Avenue | £509,995 | Aug 2024 |
| 1 St John Avenue | £324,995 | Aug 2024 |
23 St John Avenue common questions
When did 23 St John Avenue last sell and for how much?
23 St John Avenue, CF15 8GS last sold for £279,995 on 16 August 2024, according to HM Land Registry.
How many times has 23 St John Avenue been sold?
HM Land Registry records 1 sale at this address since 1995.
Is Cardiff a good area?
Praesago scores Cardiff (CF15) 55 out of 100 for area trajectory, based on 30+ official data sources covering prices, crime, planning and more. See the full Cardiff area page →
Disclaimer: Praesago provides data analytics and market intelligence. Nothing on this platform constitutes financial advice, investment advice, or a personal recommendation. Property values can fall as well as rise. Past performance does not predict future results. Seek independent financial and legal advice before making property investment decisions.