How much is Thorngate Mill, Flat 15, Thorngate, Barnard Castle, County Durham, DL12 8QD worth?
Estimated value — July 2026
£235,000
Likely range £154,000 – £276,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale October 2010
38%
confidence
Low
Typically within 16% of the sale price
Property details
Flat / Maisonette
Thorngate · Barnard Castle · DL12 8QD
Energy performance
Mains Gas · EPC 7308-6029-6284-5750-1920 · inspected April 2010 · lodged May 2010
Address
- District
- County Durham
- County
- County Durham
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 uses the property's earlier sales, so it can sit a little off the line.
View as a table
| Year | Modelled value | Recorded sale |
|---|---|---|
| 2010 | £207,162 | £212,500 |
| 2011 | £199,701 | — |
| 2012 | £193,561 | — |
| 2013 | £183,767 | — |
| 2014 | £180,326 | — |
| 2015 | £183,528 | — |
| 2016 | £187,661 | — |
| 2017 | £195,916 | — |
| 2018 | £192,651 | — |
| 2019 | £188,032 | — |
| 2020 | £196,176 | — |
| 2021 | £214,833 | — |
| 2022 | £233,633 | — |
| 2023 | £225,729 | — |
| 2024 | £234,843 | — |
| 2025 | £239,018 | — |
| 2026 | £235,146 | — |
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
- Thorngate Mill, Flat 7, Thorngate, Barnard Castle, County Durham, DL12 8QD£175,000 · 2019£224,000
- Thorngate Mill, Flat 16, Thorngate, Barnard Castle, Teesdale, Durham, DL12 8QD£249,950 · 2006£243,000
- Thorngate Mill, Flat 13, Thorngate, Barnard Castle, County Durham, DL12 8QD£275,000 · 2026£274,000
- Thorngate Mill, Flat 11, Thorngate, Barnard Castle, County Durham, DL12 8QD£180,000 · 2024£183,000
- Thorngate Mill, Flat 12, Thorngate, Barnard Castle, County Durham, DL12 8QD£175,000 · 2024£187,000
- Thorngate Mill, Flat 9, Thorngate, Barnard Castle, County Durham, DL12 8QD£170,000 · 2023£184,000
- Thorngate Mill, Flat 4, Thorngate, Barnard Castle, County Durham, DL12 8QD£190,000 · 2023£201,000
- Thorngate Mill, Flat 3, Thorngate, Barnard Castle, County Durham, DL12 8QD£185,000 · 2022£190,000
- Thorngate Mill, Flat 8, Thorngate, Barnard Castle, County Durham, DL12 8QD£170,000 · 2022£190,000
- Thorngate Mill, Flat 2, Thorngate, Barnard Castle, County Durham, DL12 8QD£158,000 · 2015£197,000
About this property
Thorngate Mill, Flat 15, Thorngate, Barnard Castle, County Durham, DL12 8QD is a flat on Thorngate in Barnard Castle, County Durham. 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 £154,000 to £276,000. It re-indexes the property's recorded sale prices to today using the UK House Price Index. The confidence score is 38 out of 100 (low): estimates like this one are typically within 16% of the eventual sale price.
It last sold in October 2010 for £212,500. The current estimate is 11% higher than that price. The current owner has held it for about 16 years.
Its EPC energy-efficiency rating is band B (81 out of 100). The certificate records a total floor area of 107 m² (1,152 sq ft). It was lodged in May 2010.
The modelled value is up 1% over the past year and up 6% over the past five years.
Among 10 nearby properties Stede tracks in the DL12 area, estimated values run from £183,000 to £274,000. This flat's £235,000 sits toward the upper end of that range.
Common questions
How much is Thorngate Mill, Flat 15, Thorngate, Barnard Castle, County Durham, DL12 8QD worth?
Stede estimates Thorngate Mill, Flat 15, Thorngate, Barnard Castle, County Durham, DL12 8QD is worth £235,000 as of July 2026, within a likely range of £154,000 to £276,000. The estimate is generated automatically from recorded sale prices and the UK House Price Index, and is not a formal valuation.
When did Thorngate Mill, Flat 15, Thorngate, Barnard Castle, County Durham, DL12 8QD last sell?
It last sold in October 2010 for £212,500.
What type of property is Thorngate Mill, Flat 15, Thorngate, Barnard Castle, County Durham, DL12 8QD?
It is recorded as a Flat / Maisonette on Thorngate in the DL12 postcode area.
What is the EPC rating of Thorngate Mill, Flat 15, Thorngate, Barnard Castle, County Durham, DL12 8QD?
Thorngate Mill, Flat 15, Thorngate, Barnard Castle, County Durham, DL12 8QD has an EPC energy-efficiency rating of band B (81 out of 100). The certificate records a floor area of 107 m² (1,152 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 38 out of 100 (low). Tested against real sales of similar homes, estimates like this one are typically within 16% 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?
Stede re-indexes this property's recorded sale prices to today using the House Price Index for its type and region, and tests the result against real sales to set the likely range and confidence. Full detail is on the methodology page.
How we calculated this
This estimate re-indexes the property's recorded sale prices to today with the UK House Price Index for its area and type. Its range and confidence come from testing the same method against 50,847 real sales of similar homes.
2
Valuation methods used
1
Recorded sales on file
2010
Most recent recorded sale