How much is 21 Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY worth?
Estimated value — November 2026
£603,000
Likely range £461,000 – £795,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale May 1996
45%
confidence
Medium
Typically within 14% of the sale price
Property details
Mid-terrace house
Boyn Hill Avenue · Maidenhead · SL6 4EY
Energy performance
Mains Gas (Not Community) · EPC 0117-2826-7736-9827-0541 · inspected July 2013 · lodged August 2013
Address
- District
- Windsor and Maidenhead
- County
- Windsor and Maidenhead
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 | £268,120 | £225,582 – £316,455 |
| 2001 | £289,271 | £240,870 – £344,492 |
| 2002 | £329,521 | £272,046 – £394,198 |
| 2003 | £345,508 | £283,255 – £414,604 |
| 2004 | £365,478 | £297,288 – £440,608 |
| 2005 | £383,025 | £308,570 – £465,064 |
| 2006 | £412,139 | £329,040 – £503,692 |
| 2007 | £461,444 | £365,446 – £568,299 |
| 2008 | £387,680 | £306,023 – £480,938 |
| 2009 | £405,258 | £319,223 – £506,564 |
| 2010 | £420,148 | £330,200 – £530,014 |
| 2011 | £406,486 | £318,942 – £515,568 |
| 2012 | £429,926 | £374,424 – £504,971 |
| 2013 | £457,759 | £395,100 – £542,481 |
| 2014 | £510,840 | £436,938 – £610,763 |
| 2015 | £557,523 | £472,528 – £672,446 |
| 2016 | £565,730 | £475,079 – £688,300 |
| 2017 | £574,659 | £478,104 – £705,212 |
| 2018 | £558,014 | £459,912 – £690,659 |
| 2019 | £537,104 | £438,497 – £670,432 |
| 2020 | £552,933 | £447,115 – £696,011 |
| 2021 | £586,921 | £470,030 – £744,971 |
| 2022 | £630,457 | £499,987 – £806,867 |
| 2023 | £580,636 | £455,956 – £749,217 |
| 2024 | £601,010 | £467,276 – £781,833 |
| 2025 | £586,011 | £451,053 – £768,489 |
| 2026 | £603,000 | £461,000 – £795,000 |
Sale history
Mortgage calculator
£3,236
Estimated monthly repayment
£542,700
Loan amount
£622,381
Total interest
£1,165,081
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
- 21 3, Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY£485,000 · 2014£656,000
- 29 Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY£550,000 · 2013£655,000
- 27 Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY£587,000 · 2014£673,000
- 31 Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY£597,000 · 2015£698,000
- Boyn Hill Court, 19, Flat 1, Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY£420,000 · 2024£432,000
- Boyn Hill Court, 19, Flat 2, Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY£375,000 · 2022£381,000
- Boyn Hill Court, 19, Flat 3, Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY£390,000 · 2015£382,000
- Boyn Hill Court, 19, Flat 4, Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY£330,000 · 2014£342,000
- 17 Flat 4, Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY£220,000 · 2022£227,000
- 15 Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY£1,277,500 · 2021£1,957,000
About this property
21 Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY is a mid-terrace house on Boyn Hill Avenue in Maidenhead. Stede's estimated value for November 2026 is £603,000. Four in five similar homes sold within their likely range when tested; for this property that range is £461,000 to £795,000. 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 60 similar homes in the same postcode sector (25%). The confidence score is 45 out of 100 (medium): estimates like this one are typically within 14% of the eventual sale price.
It last sold in May 1996 for £143,500. The current estimate is 320% higher than that price. The current owner has held it for about 30 years.
Its EPC energy-efficiency rating is band D (61 out of 100), with a potential of band C (73) after the recommended improvements. The certificate records a total floor area of 110 m² (1,184 sq ft). It was lodged in August 2013.
The modelled value is unchanged over the past year and up 3% over the past five years.
Among 10 nearby properties Stede tracks in the SL6 area, estimated values run from £227,000 to £1,957,000. This mid-terrace house's £603,000 sits toward the upper end of that range.
Common questions
How much is 21 Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY worth?
Stede estimates 21 Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY is worth £603,000 as of November 2026, within a likely range of £461,000 to £795,000. 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 21 Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY last sell?
It last sold in May 1996 for £143,500.
What type of property is 21 Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY?
It is recorded as a Mid-terrace house on Boyn Hill Avenue in the SL6 postcode area.
What is the EPC rating of 21 Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY?
21 Boyn Hill Avenue, Maidenhead, Windsor And Maidenhead, SL6 4EY has an EPC energy-efficiency rating of band D (61 out of 100). Its potential rating after the recommended improvements is band C (73). 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 45 out of 100 (medium). Tested against real sales of similar homes, estimates like this one are typically within 14% 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 60 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 6,542 real sales of similar homes.
- Recent price per m² in the same postcode sector, for its 110 m²£576,72550%
- Its sale in May 1996, brought up to today with the House Price Index£832,56925%
- 60 similar homes sold recently in the same postcode sector£426,37025%
Estimate £603,000, likely £461,000 – £795,000
Read the full methodology and data sources →