How much is 155 Gabalfa Avenue, Cardiff, CF14 2PB worth?
Estimated value — November 2026
£307,000
Likely range £230,000 – £361,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale March 1997
56%
confidence
Medium
Typically within 11% of the sale price
Property details
Semi-detached house
Gabalfa Avenue · Cardiff · CF14 2PB
Energy performance
Mains Gas (Not Community) · EPC 1236-4324-1600-0536-1292 · inspected April 2026 · lodged May 2026
Address
- District
- Cardiff
- County
- Cardiff
Value over time
- Modelled value
- Projected
- 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. 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 |
|---|---|---|
| 2000 | £63,203 | £53,507 – £72,949 |
| 2001 | £73,273 | £61,331 – £84,998 |
| 2002 | £91,525 | £75,767 – £106,667 |
| 2003 | £109,325 | £89,708 – £127,364 |
| 2004 | £134,586 | £109,599 – £156,703 |
| 2005 | £138,238 | £111,580 – £161,119 |
| 2006 | £146,847 | £117,276 – £171,814 |
| 2007 | £151,206 | £119,633 – £177,306 |
| 2008 | £136,286 | £106,893 – £160,554 |
| 2009 | £141,150 | £110,408 – £166,779 |
| 2010 | £145,352 | £113,309 – £172,494 |
| 2011 | £150,632 | £117,111 – £179,777 |
| 2012 | £152,069 | £117,943 – £181,592 |
| 2013 | £158,203 | £135,609 – £174,048 |
| 2014 | £174,833 | £148,374 – £193,389 |
| 2015 | £183,545 | £154,202 – £204,123 |
| 2016 | £191,192 | £158,996 – £213,771 |
| 2017 | £203,342 | £167,367 – £228,571 |
| 2018 | £214,320 | £174,575 – £242,193 |
| 2019 | £224,038 | £180,581 – £254,514 |
| 2020 | £232,501 | £185,420 – £265,519 |
| 2021 | £256,913 | £202,698 – £294,934 |
| 2022 | £288,972 | £225,528 – £333,465 |
| 2023 | £285,894 | £220,688 – £331,623 |
| 2024 | £291,167 | £222,276 – £339,480 |
| 2025 | £299,228 | £225,878 – £350,668 |
| 2026 | £307,000 | £230,000 – £361,000 |
Sale history
Mortgage calculator
£1,648
Estimated monthly repayment
£276,300
Loan amount
£316,867
Total interest
£593,167
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
- 139 Gabalfa Avenue, Llandaff North, Cardiff, CF14 2PB£305,000 · 2025£336,000
- 103 Gabalfa Avenue, Cardiff, CF14 2PB£295,000 · 2024£325,000
- 141 Gabalfa Avenue, Cardiff, CF14 2PB£270,000 · 2023£297,000
- 157 Gabalfa Avenue, Cardiff, CF14 2PB£157,000 · 2012£312,000
- 123 Gabalfa Avenue, Cardiff, CF14 2PB£145,000 · 2007£282,000
- 159 Gabalfa Avenue, Cardiff, CF14 2PB£144,000 · 2005£316,000
- 101 Gabalfa Avenue, Cardiff, CF14 2PB£145,000 · 2004£312,000
- 113 Gabalfa Avenue, Llandaff North, Cardiff, CF14 2PB£255,800 · 2024£302,000
- 161 Gabalfa Avenue, Cardiff, CF14 2PB£260,000 · 2022£277,000
- 127 Gabalfa Avenue, Cardiff, CF14 2PB£230,000 · 2019£321,000
About this property
155 Gabalfa Avenue, Cardiff, CF14 2PB is a semi-detached house on Gabalfa Avenue in Cardiff. Stede's estimated value for November 2026 is £307,000. Four in five similar homes sold within their likely range when tested; for this property that range is £230,000 to £361,000. It combines their price per m² applied to its floor area (50%), its own last sale brought up to date with the House Price Index (25%) and recent sales of 86 similar homes in the same postcode sector (25%). The confidence score is 56 out of 100 (medium): estimates like this one are typically within 11% of the eventual sale price.
It last sold in March 1997 for £43,950. The current estimate is 599% higher than that price. The current owner has held it for about 29 years.
Its EPC energy-efficiency rating is band C (80 out of 100), with a potential of band B (82) after the recommended improvements. The certificate records a total floor area of 86 m² (926 sq ft). It was lodged in May 2026.
The modelled value is up 3% over the past year and up 21% over the past five years.
Among 10 nearby properties Stede tracks in the CF14 area, estimated values run from £277,000 to £336,000. This semi-detached house's £307,000 sits around the middle of that range.
Common questions
How much is 155 Gabalfa Avenue, Cardiff, CF14 2PB worth?
Stede estimates 155 Gabalfa Avenue, Cardiff, CF14 2PB is worth £307,000 as of November 2026, within a likely range of £230,000 to £361,000. 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 155 Gabalfa Avenue, Cardiff, CF14 2PB last sell?
It last sold in March 1997 for £43,950.
What type of property is 155 Gabalfa Avenue, Cardiff, CF14 2PB?
It is recorded as a Semi-detached house on Gabalfa Avenue in the CF14 postcode area.
What is the EPC rating of 155 Gabalfa Avenue, Cardiff, CF14 2PB?
155 Gabalfa Avenue, Cardiff, CF14 2PB has an EPC energy-efficiency rating of band C (80 out of 100). Its potential rating after the recommended improvements is band B (82). The certificate records a floor area of 86 m² (926 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 56 out of 100 (medium). Tested against real sales of similar homes, estimates like this one are typically within 11% 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 their price per m² applied to its floor area (50%), its own last sale brought up to date with the House Price Index (25%) and recent sales of 86 similar homes in the same postcode sector (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 12,882 real sales of similar homes.
- Recent price per m² in the same postcode sector, for its 86 m²£328,78050%
- Its sale in March 1997, brought up to today with the House Price Index£237,97925%
- 86 similar homes sold recently in the same postcode sector£334,26525%
Estimate £307,000, likely £230,000 – £361,000
Read the full methodology and data sources →