How much is 21 Borderside, Slough, SL2 5QT worth?
Estimated value — September 2026
£406,000
Likely range £404,000 – £407,000
Latest recorded sale December 2003
11%
confidence
Low
Property details
Mid-terrace house
Borderside · Slough · SL2 5QT
Energy performance
Mains Gas (Not Community) · EPC 6436-9223-5600-0220-4292 · inspected July 2026
Address
- District
- Slough
- County
- Slough
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 |
|---|---|---|
| 2000 | £107,943 | — |
| 2001 | £126,815 | — |
| 2002 | £149,043 | — |
| 2003 | £164,500 | £164,500 |
| 2004 | £177,900 | — |
| 2005 | £181,572 | — |
| 2006 | £202,301 | — |
| 2007 | £216,353 | — |
| 2008 | £189,465 | — |
| 2009 | £194,443 | — |
| 2010 | £200,811 | — |
| 2011 | £203,629 | — |
| 2012 | £209,964 | — |
| 2013 | £222,900 | — |
| 2014 | £256,228 | — |
| 2015 | £304,240 | — |
| 2016 | £331,205 | — |
| 2017 | £339,858 | — |
| 2018 | £343,536 | — |
| 2019 | £326,434 | — |
| 2020 | £344,414 | — |
| 2021 | £366,840 | — |
| 2022 | £389,291 | — |
| 2023 | £382,687 | — |
| 2024 | £391,669 | — |
| 2025 | £394,933 | — |
| 2026 | £406,890 | — |
Sale history
Mortgage calculator
£1,928
Estimated monthly repayment
£365,400
Loan amount
£328,747
Total interest
£694,147
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
- 9 Borderside, Slough, SL2 5QT£300,000 · 2020£370,000
- 27 Borderside, Slough, SL2 5QT£327,000 · 2019£408,000
- 23 Borderside, Slough, SL2 5QT£198,000 · 2005£444,000
- 11 Borderside, Slough, SL2 5QT£170,000 · 2004£390,000
- 1 Borderside, Slough, SL2 5QT£340,000 · 2025£350,000
- 13 Borderside, Slough, SL2 5QT£300,000 · 2017£359,000
- 120 Borderside, Slough, SL2 5QT£71,000 · 1998£362,000
- 25 Borderside, Slough, SL2 5QT£285,000 · 2026£291,000
- 116 Borderside, Slough, SL2 5QT£272,000 · 2022£302,000
About this property
21 Borderside, Slough, SL2 5QT is a mid-terrace house on Borderside in Slough. Stede's estimated value for September 2026 is £406,000. The likely range is £404,000 to £407,000. It is the average of 2 independent methods that re-index recorded sale prices to today. The confidence score is 11 out of 100 (low), based on how recent the most recent recorded sale is.
It last sold in December 2003 for £164,500. It has 2 sales on record, the earliest in 1999. The current estimate is 147% higher than that price. The current owner has held it for about 23 years.
Its EPC energy-efficiency rating is band C (70 out of 100). The certificate records a total floor area of 90 m² (969 sq ft). It was lodged in July 2026.
The modelled value is up 3% over the past year and up 14% over the past five years.
Among 9 nearby properties Stede tracks in the SL2 area, estimated values run from £291,000 to £444,000. This mid-terrace house's £406,000 sits toward the upper end of that range.
Common questions
How much is 21 Borderside, Slough, SL2 5QT worth?
Stede estimates 21 Borderside, Slough, SL2 5QT is worth £406,000 as of September 2026, within a likely range of £404,000 to £407,000. The estimate is generated automatically from recorded sale prices and the UK House Price Index, and is not a formal valuation.
When did 21 Borderside, Slough, SL2 5QT last sell?
It last sold in December 2003 for £164,500. There are 2 sales on record, the earliest in 1999.
What type of property is 21 Borderside, Slough, SL2 5QT?
It is recorded as a Mid-terrace house on Borderside in the SL2 postcode area.
What is the EPC rating of 21 Borderside, Slough, SL2 5QT?
21 Borderside, Slough, SL2 5QT has an EPC energy-efficiency rating of band C (70 out of 100). The certificate records a floor area of 90 m² (969 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 11 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
2
Recorded sales on file
2003
Most recent recorded sale