How much is 21 Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN worth?
Estimated value — November 2026
£1,293,000
Likely range £891,000 – £1,892,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale August 1996
31%
confidence
Low
Typically within 17% of the sale price
Property details
Detached house
Lock Road · Marlow · SL7 1QN
Address
- District
- Wycombe
- County
- Buckinghamshire
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 | £513,422 | £427,453 – £615,238 |
| 2001 | £564,608 | £463,706 – £685,726 |
| 2002 | £643,736 | £522,104 – £789,531 |
| 2003 | £669,686 | £537,500 – £826,790 |
| 2004 | £712,386 | £565,682 – £886,622 |
| 2005 | £710,084 | £556,764 – £892,648 |
| 2006 | £774,918 | £599,687 – £984,806 |
| 2007 | £862,762 | £659,942 – £1,107,668 |
| 2008 | £759,593 | £575,954 – £986,516 |
| 2009 | £765,010 | £577,365 – £1,003,768 |
| 2010 | £813,324 | £609,998 – £1,080,224 |
| 2011 | £822,492 | £613,788 – £1,103,763 |
| 2012 | £840,470 | £698,203 – £1,052,454 |
| 2013 | £871,034 | £714,567 – £1,104,178 |
| 2014 | £971,393 | £786,831 – £1,246,400 |
| 2015 | £1,070,660 | £856,142 – £1,390,303 |
| 2016 | £1,146,307 | £904,752 – £1,506,236 |
| 2017 | £1,179,329 | £918,594 – £1,567,838 |
| 2018 | £1,169,019 | £898,448 – £1,572,183 |
| 2019 | £1,143,749 | £867,173 – £1,555,860 |
| 2020 | £1,199,450 | £896,975 – £1,650,153 |
| 2021 | £1,241,117 | £915,272 – £1,726,643 |
| 2022 | £1,318,206 | £958,460 – £1,854,245 |
| 2023 | £1,295,655 | £928,636 – £1,842,531 |
| 2024 | £1,304,485 | £921,446 – £1,875,232 |
| 2025 | £1,306,643 | £909,429 – £1,898,512 |
| 2026 | £1,293,000 | £891,000 – £1,892,000 |
Sale history
Mortgage calculator
£6,940
Estimated monthly repayment
£1,163,700
Loan amount
£1,334,558
Total interest
£2,498,258
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
- 15 Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN£850,000 · 2013£1,177,000
- Apple House, 13, Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN£810,000 · 2013£1,198,000
- 31 Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN£875,000 · 2013£1,200,000
- Woodnook, 33, Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN£795,000 · 2006£1,352,000
- 25 Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN£1,265,000 · 2014£1,467,000
- 19 Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN£785,000 · 2012£1,104,000
- 29 Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN£1,750,000 · 2021£1,848,000
- 23 Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN£1,660,000 · 2016£1,710,000
- Lock Heights, 13, Lock Road, Marlow, Buckinghamshire, SL7 1QN£2,280,000 · 2024£2,460,000
- Thames Reach, 27, Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN£2,450,000 · 2021£2,759,000
About this property
21 Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN is a detached house on Lock Road in Marlow, Buckinghamshire. Stede's estimated value for November 2026 is £1,293,000. Four in five similar homes sold within their likely range when tested; for this property that range is £891,000 to £1,892,000. It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 43 similar homes in the same postcode sector (25%). The confidence score is 31 out of 100 (low): estimates like this one are typically within 17% of the eventual sale price.
It last sold in August 1996 for £283,000. The current estimate is 357% higher than that price. The current owner has held it for about 30 years.
The modelled value is down 1% over the past year and up 5% over the past five years.
Among 10 nearby properties Stede tracks in the SL7 area, estimated values run from £1,104,000 to £2,759,000. This detached house's £1,293,000 sits toward the lower end of that range.
Common questions
How much is 21 Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN worth?
Stede estimates 21 Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN is worth £1,293,000 as of November 2026, within a likely range of £891,000 to £1,892,000. 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 Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN last sell?
It last sold in August 1996 for £283,000.
What type of property is 21 Lock Road, Marlow, Wycombe, Buckinghamshire, SL7 1QN?
It is recorded as a Detached house on Lock Road in the SL7 postcode area.
How reliable is this estimate?
The confidence score is 31 out of 100 (low). Tested against real sales of similar homes, estimates like this one are typically within 17% 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 its own last sale brought up to date with the House Price Index (75%) and recent sales of 43 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 1,399 real sales of similar homes.
- Its sale in August 1996, brought up to today with the House Price Index£1,392,79575%
- 43 similar homes sold recently in the same postcode sector£992,84525%
Estimate £1,293,000, likely £891,000 – £1,892,000
Read the full methodology and data sources →