How much is 21 St Mary Street, Bargoed, Caerphilly, CF81 8NG worth?
Estimated value — October 2026
£282,000
Likely range £282,000 – £282,000
Latest recorded sale November 2007
26%
confidence
Low
Property details
Semi-detached house
St Mary Street · Bargoed · CF81 8NG
Energy performance
Mains Gas (Not Community) · EPC 5034-1827-1300-0129-5296 · inspected March 2024
Address
- District
- Caerphilly
- County
- Caerphilly
Value over time
- Modelled value
- Recorded sale
- 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 | Recorded sale |
|---|---|---|
| 2007 | £162,681 | £166,000 |
| 2008 | £146,090 | — |
| 2009 | £143,680 | — |
| 2010 | £140,079 | — |
| 2011 | £148,348 | — |
| 2012 | £142,041 | — |
| 2013 | £144,727 | — |
| 2014 | £155,879 | — |
| 2015 | £159,201 | — |
| 2016 | £161,353 | — |
| 2017 | £174,052 | — |
| 2018 | £188,051 | — |
| 2019 | £192,142 | — |
| 2020 | £205,602 | — |
| 2021 | £231,386 | — |
| 2022 | £260,773 | — |
| 2023 | £257,964 | — |
| 2024 | £269,371 | — |
| 2025 | £273,093 | — |
| 2026 | £282,017 | — |
Sale history
Mortgage calculator
£1,339
Estimated monthly repayment
£253,800
Loan amount
£228,341
Total interest
£482,141
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
- 23 St Mary Street, Bargoed, Caerphilly, CF81 8NG£149,950 · 2004£308,000
- 22 St Mary Street, Bargoed, Caerphilly, CF81 8NG£210,000 · 2022£231,000
- 25 St Mary Street, Bargoed, Caerphilly, CF81 8NG£180,000 · 2007£325,000
- 7 St Mary Street, Bargoed, Caerphilly, CF81 8NG£155,000 · 2024£165,000
- 3 St Mary Street, Bargoed, Caerphilly, CF81 8NG£125,000 · 2021£156,000
- 16 St Mary Street, Bargoed, Caerphilly, CF81 8NG£95,000 · 2019£141,000
- 2 St Mary Street, Bargoed, Caerphilly, CF81 8NG£81,500 · 2013£157,000
- 5 St Mary Street, Bargoed, Caerphilly, CF81 8NG£80,000 · 2010£149,000
- 11 St Mary Street, Bargoed, Caerphilly, CF81 8NG£85,000 · 2010£165,000
- 6 St Mary Street, Bargoed, Caerphilly, CF81 8NG£85,000 · 2007£149,000
About this property
21 St Mary Street, Bargoed, Caerphilly, CF81 8NG is a semi-detached house on St Mary Street in Bargoed, Caerphilly. Stede's estimated value for October 2026 is £282,000. It is the average of 2 independent methods that re-index recorded sale prices to today. The confidence score is 26 out of 100 (low), based on how recent the most recent recorded sale is.
It last sold in November 2007 for £166,000. The current estimate is 70% higher than that price. The current owner has held it for about 19 years.
Its EPC energy-efficiency rating is band C (77 out of 100), with a potential of band B (89) after the recommended improvements. The certificate records a total floor area of 103 m² (1,109 sq ft). It was lodged in March 2024.
The modelled value is up 5% over the past year and up 26% over the past five years.
Among 10 nearby properties Stede tracks in the CF81 area, estimated values run from £141,000 to £325,000. This semi-detached house's £282,000 sits toward the upper end of that range.
Common questions
How much is 21 St Mary Street, Bargoed, Caerphilly, CF81 8NG worth?
Stede estimates 21 St Mary Street, Bargoed, Caerphilly, CF81 8NG is worth £282,000 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 St Mary Street, Bargoed, Caerphilly, CF81 8NG last sell?
It last sold in November 2007 for £166,000.
What type of property is 21 St Mary Street, Bargoed, Caerphilly, CF81 8NG?
It is recorded as a Semi-detached house on St Mary Street in the CF81 postcode area.
What is the EPC rating of 21 St Mary Street, Bargoed, Caerphilly, CF81 8NG?
21 St Mary Street, Bargoed, Caerphilly, CF81 8NG has an EPC energy-efficiency rating of band C (77 out of 100). Its potential rating after the recommended improvements is band B (89). The certificate records a floor area of 103 m² (1,109 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 26 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
2007
Most recent recorded sale