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23 Allerton Street, Cardiff, CF11 6SJ

How much is 23 Allerton Street, Cardiff, CF11 6SJ worth?

Estimated value — October 2026

£209,000

Likely range £209,000 – £209,000

Latest recorded sale October 1997

0%

confidence

Low

Property details

Mid-terrace house

Allerton Street · Cardiff · CF11 6SJ

110 m²1,184 sq ftFloor area
1900-1929Built
Mains gas boilerHeating

Energy performance

Current ratingD67
PotentialB85

Mains Gas (Not Community) · EPC 5517-3929-8000-1994-0296 · inspected January 2023

Address

District
Cardiff
County
Cardiff
See house prices in CF11 →

Value over time

  • Modelled value
  • Today's estimate
£0£50k£100k£150k£200k£250k20002002200420062008201020122014201620182020202220242026£209,000

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
Modelled value at the end of each year, with any recorded sales
YearModelled value
2000£48,642
2001£56,196
2002£69,859
2003£84,468
2004£105,373
2005£108,480
2006£115,550
2007£118,586
2008£105,510
2009£109,149
2010£109,604
2011£112,265
2012£113,586
2013£116,878
2014£127,995
2015£132,621
2016£136,452
2017£144,143
2018£150,451
2019£155,514
2020£162,481
2021£178,089
2022£200,648
2023£196,080
2024£200,119
2025£205,253
2026£208,777

Sale history

1997Sold
£38,000
2026Today — estimated
+450%£209,000

Mortgage calculator

£1,122

Estimated monthly repayment

£188,100

Loan amount

£215,717

Total interest

£403,817

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

About this property

23 Allerton Street, Cardiff, CF11 6SJ is a mid-terrace house on Allerton Street in Cardiff. Stede's estimated value for October 2026 is £209,000. 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 October 1997 for £38,000. The current estimate is 450% higher than that price. The current owner has held it for about 29 years.

Its EPC energy-efficiency rating is band D (67 out of 100), with a potential of band B (85) after the recommended improvements. The certificate records a total floor area of 110 m² (1,184 sq ft). It was lodged in January 2023.

The modelled value is up 4% over the past year and up 19% over the past five years.

Among 10 nearby properties Stede tracks in the CF11 area, estimated values run from £194,000 to £249,000. This mid-terrace house's £209,000 sits around the middle of that range.

Common questions

How much is 23 Allerton Street, Cardiff, CF11 6SJ worth?

Stede estimates 23 Allerton Street, Cardiff, CF11 6SJ is worth £209,000 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 23 Allerton Street, Cardiff, CF11 6SJ last sell?

It last sold in October 1997 for £38,000.

What type of property is 23 Allerton Street, Cardiff, CF11 6SJ?

It is recorded as a Mid-terrace house on Allerton Street in the CF11 postcode area.

What is the EPC rating of 23 Allerton Street, Cardiff, CF11 6SJ?

23 Allerton Street, Cardiff, CF11 6SJ has an EPC energy-efficiency rating of band D (67 out of 100). Its potential rating after the recommended improvements is band B (85). The certificate records a floor area of 110 m² (1,184 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

1997

Most recent recorded sale

Read the full methodology and data sources →