How much is 21 Llandennis Avenue, Cardiff, CF23 6JD worth?
Estimated value — October 2026
£1,650,000
Likely range £1,650,000 – £1,650,000
Latest recorded sale January 1999
0%
confidence
Low
Property details
Detached house
Llandennis Avenue · Cardiff · CF23 6JD
Energy performance
Mains Gas (Not Community) · EPC 7498-4957-7200-6218-1990 · inspected October 2018 · lodged November 2018
Address
- District
- Cardiff
- County
- Cardiff
Value over time
- Modelled value
- Today's estimate
Modelled by indexing this property's most recent recorded sale, month by month, against the UK House Price Index for its area and property type. Earlier sales are shown as recorded. Today's estimate also blends in the other valuation methods, so it can sit a little off the line.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £462,976 |
| 2001 | £530,160 |
| 2002 | £644,518 |
| 2003 | £738,815 |
| 2004 | £883,358 |
| 2005 | £890,174 |
| 2006 | £932,889 |
| 2007 | £961,884 |
| 2008 | £871,103 |
| 2009 | £889,856 |
| 2010 | £919,315 |
| 2011 | £944,765 |
| 2012 | £939,809 |
| 2013 | £969,561 |
| 2014 | £1,061,270 |
| 2015 | £1,105,781 |
| 2016 | £1,150,525 |
| 2017 | £1,203,534 |
| 2018 | £1,262,821 |
| 2019 | £1,302,014 |
| 2020 | £1,345,498 |
| 2021 | £1,467,522 |
| 2022 | £1,618,826 |
| 2023 | £1,586,423 |
| 2024 | £1,607,096 |
| 2025 | £1,630,401 |
| 2026 | £1,650,224 |
Sale history
Mortgage calculator
£8,856
Estimated monthly repayment
£1,485,000
Loan amount
£1,703,032
Total interest
£3,188,032
Total repayable
A guide only, based on a capital repayment mortgage held at a constant interest rate for the full term. Not a mortgage offer or financial advice.
Related properties
- 3 Llandennis Avenue, Cardiff, CF23 6JD£1,675,000 · 2022£1,748,000
- 11 Llandennis Avenue, Cardiff, CF23 6JD£379,000 · 1998£1,683,000
- 13 Llandennis Avenue, Cardiff, CF23 6JD£1,500,000 · 2020£1,906,000
- 1 Llandennis Avenue, Cardiff, CF23 6JD£935,000 · 2021£1,146,000
- 19 Llandennis Avenue, Cardiff, CF23 6JD£1,600,000 · 2018£2,152,000
- 9 Llandennis Avenue, Cardiff, CF23 6JD£25,000 · 1996£135,000
About this property
21 Llandennis Avenue, Cardiff, CF23 6JD is a detached house on Llandennis Avenue in Cardiff. Stede's estimated value for October 2026 is £1,650,000. It is the average of 2 independent methods that re-index recorded sale prices to today. The confidence score is 0 out of 100 (low), based on how recent the most recent recorded sale is.
It last sold in January 1999 for £380,000. The current estimate is 334% higher than that price. The current owner has held it for about 27 years.
Its EPC energy-efficiency rating is band C (70 out of 100). The certificate records a total floor area of 213 m² (2,293 sq ft). It was lodged in November 2018.
The modelled value is up 3% over the past year and up 17% over the past five years.
Among 6 nearby properties Stede tracks in the CF23 area, estimated values run from £135,000 to £2,152,000. This detached house's £1,650,000 sits around the middle of that range.
Common questions
How much is 21 Llandennis Avenue, Cardiff, CF23 6JD worth?
Stede estimates 21 Llandennis Avenue, Cardiff, CF23 6JD is worth £1,650,000 as of October 2026. The estimate is generated automatically from recorded sale prices and the UK House Price Index, and is not a formal valuation.
When did 21 Llandennis Avenue, Cardiff, CF23 6JD last sell?
It last sold in January 1999 for £380,000.
What type of property is 21 Llandennis Avenue, Cardiff, CF23 6JD?
It is recorded as a Detached house on Llandennis Avenue in the CF23 postcode area.
What is the EPC rating of 21 Llandennis Avenue, Cardiff, CF23 6JD?
21 Llandennis Avenue, Cardiff, CF23 6JD has an EPC energy-efficiency rating of band C (70 out of 100). The certificate records a floor area of 213 m² (2,293 sq ft). EPC data is published by the Ministry of Housing, Communities & Local Government and reflects the most recent certificate on record.
How reliable is this estimate?
The confidence score is 0 out of 100 (low), which reflects how recent the most recent recorded sale is rather than local market volatility. The figure is a data model, not a RICS valuation or Home Report, and should not be used for mortgage or legal decisions.
How does Stede calculate this estimate?
Stede runs 2 independent methods that re-index this property's recorded sale prices to today using the House Price Index for its type and region, then takes the average. Full detail is on the methodology page.
How we calculated this
This estimate averages 2 valuation methods, each re-indexing recorded sale prices to today. The confidence score reflects how recent the most recent recorded sale is.
2
Valuation methods used
1
Recorded sales on file
1999
Most recent recorded sale