How much is 1 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX worth?
Estimated value — July 2026
£235,000
Likely range £191,000 – £283,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale July 2010
63%
confidence
Medium
Typically within 9% of the sale price
Property details
Mid-terrace house
Trecastle Avenue · Cardiff · CF14 5BX
Energy performance
Mains Gas (Not Community) · EPC 9517-2526-0000-1128-0202 · inspected June 2023
Address
- District
- Cardiff
- County
- Cardiff
Value over time
- Modelled value
- Recorded sale
- Likely range (80%)
- Today's estimate
Drawn through each of this property's recorded sales and ending at today's estimate, with the UK House Price Index for its area and property type filling in the months between. A sale we treat with caution is shown but the line doesn't pass through it. The shaded band is where four in five prices fell when we tested this line against real sales of similar homes; it widens the further a month is from a recorded sale, and today it matches the likely range above.
View as a table
| Year | Modelled value | Likely range | Recorded sale |
|---|---|---|---|
| 2003 | £94,745 | £81,320 – £122,504 | £88,950 |
| 2004 | £116,847 | £102,094 – £138,169 | — |
| 2005 | £118,911 | £103,443 – £137,300 | — |
| 2006 | £125,189 | £108,069 – £144,129 | — |
| 2007 | £126,968 | £110,317 – £146,488 | — |
| 2008 | £111,621 | £97,490 – £131,161 | — |
| 2009 | £114,080 | £98,438 – £144,361 | — |
| 2010 | £113,835 | £97,571 – £146,926 | £115,500 |
| 2011 | £117,204 | £101,776 – £138,816 | — |
| 2012 | £119,199 | £102,670 – £138,521 | — |
| 2013 | £123,284 | £105,103 – £143,323 | — |
| 2014 | £135,702 | £114,576 – £158,503 | — |
| 2015 | £141,322 | £118,288 – £166,144 | — |
| 2016 | £146,143 | £121,463 – £172,352 | — |
| 2017 | £155,159 | £128,308 – £183,200 | — |
| 2018 | £162,761 | £133,937 – £192,638 | — |
| 2019 | £169,078 | £138,372 – £200,851 | — |
| 2020 | £177,531 | £144,614 – £211,679 | — |
| 2021 | £195,547 | £158,797 – £233,914 | — |
| 2022 | £221,400 | £179,637 – £265,659 | — |
| 2023 | £217,418 | £176,507 – £261,431 | — |
| 2024 | £222,980 | £181,049 – £268,565 | — |
| 2025 | £229,616 | £186,532 – £276,627 | — |
| 2026 | £235,000 | £191,000 – £283,000 | — |
Sale history
Mortgage calculator
£1,261
Estimated monthly repayment
£211,500
Loan amount
£242,553
Total interest
£454,053
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
- 19 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX£192,000 · 2016£280,000
- 17 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX£173,000 · 2015£287,000
- 11 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX£293,000 · 2023£321,000
- 3 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX£135,000 · 2017£216,000
- 4 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX£180,000 · 2024£178,000
- 6 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX£166,000 · 2022£184,000
- 7 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX£145,000 · 2020£179,000
- 25 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX£147,500 · 2019£184,000
- 8 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX£137,500 · 2021£165,000
- 14 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX£132,000 · 2020£170,000
About this property
1 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX is a mid-terrace house on Trecastle Avenue in Cardiff. Stede's estimated value for July 2026 is £235,000. Four in five similar homes sold within their likely range when tested; for this property that range is £191,000 to £283,000. It combines its own last sale brought up to date with the House Price Index (50%), recent sales of 62 similar homes in the same postcode sector (25%) and their price per m² applied to its floor area (25%). The confidence score is 63 out of 100 (medium): estimates like this one are typically within 9% of the eventual sale price.
It last sold in July 2010 for £115,500. It has 2 sales on record, the earliest in 2003. The current estimate is 103% higher than that price. The current owner has held it for about 16 years.
Its EPC energy-efficiency rating is band C (73 out of 100). The certificate records a total floor area of 73 m² (786 sq ft). It was lodged in June 2023.
The modelled value is up 4% over the past year and up 22% over the past five years.
Among 10 nearby properties Stede tracks in the CF14 area, estimated values run from £165,000 to £321,000. This mid-terrace house's £235,000 sits toward the upper end of that range.
Common questions
How much is 1 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX worth?
Stede estimates 1 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX is worth £235,000 as of July 2026, within a likely range of £191,000 to £283,000. The estimate is generated automatically from recorded sale prices of this and similar nearby homes and the UK House Price Index, and is not a formal valuation.
When did 1 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX last sell?
It last sold in July 2010 for £115,500. There are 2 sales on record, the earliest in 2003.
What type of property is 1 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX?
It is recorded as a Mid-terrace house on Trecastle Avenue in the CF14 postcode area.
What is the EPC rating of 1 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX?
1 Trecastle Avenue, Llanishen, Cardiff, CF14 5BX has an EPC energy-efficiency rating of band C (73 out of 100). The certificate records a floor area of 73 m² (786 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 63 out of 100 (medium). Tested against real sales of similar homes, estimates like this one are typically within 9% of the sale price, and four in five sold within their likely range. 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?
It combines its own last sale brought up to date with the House Price Index (50%), recent sales of 62 similar homes in the same postcode sector (25%) and their price per m² applied to its floor area (25%). Each piece of evidence gets the share that proved most accurate when tested against real sales of similar homes, and the same testing sets the likely range and confidence. Full detail is on the methodology page.
How we got this figure
We weighed the evidence below, giving each piece the share that proved most accurate when we tested it against real sales of similar homes. The likely range and confidence come from testing the same method against 80,998 real sales of similar homes.
- Its sale in July 2010, brought up to today with the House Price Index£209,17850%
- 62 similar homes sold recently in the same postcode sector£299,50725%
- Recent price per m² in the same postcode sector, for its 73 m²£220,59825%
Estimate £235,000, likely £191,000 – £283,000
Read the full methodology and data sources →