How much is 31 Flat 3, Sea Lane, Gerrards Cross, Chiltern, Buckinghamshire, SL9 9SP worth?
Estimated value — November 2026
£307,000
Likely range £233,000 – £391,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale March 1997
50%
confidence
Medium
Typically within 13% of the sale price
Property details
Flat / Maisonette
Gerrards Cross · SL9 9SP
Address
- District
- Chiltern
- 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 | £130,302 | £110,476 – £152,017 |
| 2001 | £148,302 | £124,365 – £174,373 |
| 2002 | £176,946 | £146,820 – £209,600 |
| 2003 | £191,972 | £157,956 – £227,952 |
| 2004 | £213,269 | £174,224 – £253,807 |
| 2005 | £215,323 | £174,426 – £257,222 |
| 2006 | £230,365 | £184,722 – £276,993 |
| 2007 | £253,461 | £201,441 – £306,263 |
| 2008 | £213,525 | £168,307 – £259,881 |
| 2009 | £214,983 | £169,070 – £263,123 |
| 2010 | £216,294 | £169,600 – £266,563 |
| 2011 | £216,960 | £169,742 – £269,568 |
| 2012 | £221,579 | £173,013 – £276,190 |
| 2013 | £227,971 | £196,682 – £263,488 |
| 2014 | £256,300 | £219,022 – £298,615 |
| 2015 | £278,818 | £235,981 – £327,444 |
| 2016 | £303,624 | £254,488 – £359,400 |
| 2017 | £316,816 | £262,949 – £377,963 |
| 2018 | £304,747 | £250,435 – £366,399 |
| 2019 | £296,200 | £240,984 – £358,878 |
| 2020 | £299,053 | £240,855 – £365,116 |
| 2021 | £306,163 | £244,072 – £376,645 |
| 2022 | £324,284 | £255,861 – £401,953 |
| 2023 | £318,647 | £248,802 – £397,930 |
| 2024 | £319,081 | £246,527 – £401,440 |
| 2025 | £315,967 | £241,532 – £400,461 |
| 2026 | £307,000 | £233,000 – £391,000 |
Sale history
Mortgage calculator
£1,648
Estimated monthly repayment
£276,300
Loan amount
£316,867
Total interest
£593,167
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
- 29 - 31, Flat 3, Lansdown Road, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 9SP£235,000 · 2015£288,000
- 29 - 31, Flat 4, Lansdown Road, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 9SP£205,000 · 2010£291,000
- 29 - 31, Flat 1, Lansdown Road, Chalfont St Peter, Gerrards Cross, Buckinghamshire, SL9 9SP£148,000 · 2025£239,000
- 29 - 31, Flat 2, Lansdown Road, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 9SP£175,000 · 2010£263,000
- 31A, Flat 4, Lansdown Road, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 9SP£180,000 · 2005£272,000
- 29A, Flat 2, Lansdown Road, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 9SP£110,000 · 2002£234,000
- 5 Lansdown Road, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 9SP£350,000 · 2019£421,000
- 9 Lansdown Road, Chalfont St Peter, Gerrards Cross, Chiltern, Buckinghamshire, SL9 9SP£375,000 · 2017£435,000
- 19 Lansdown Road, Chalfont St Peter, Gerrards Cross, Buckinghamshire, SL9 9SP£630,000 · 2025£670,000
- 27 Lansdown Road, Chalfont St Peter, Gerrards Cross, Buckinghamshire, SL9 9SP£525,000 · 2025£581,000
About this property
31 Flat 3, Sea Lane, Gerrards Cross, Chiltern, Buckinghamshire, SL9 9SP is a flat in Gerrards Cross, Buckinghamshire (SL9). Stede's estimated value for November 2026 is £307,000. Four in five similar homes sold within their likely range when tested; for this property that range is £233,000 to £391,000. It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 42 similar homes in the same postcode sector (25%). The confidence score is 50 out of 100 (medium): estimates like this one are typically within 13% of the eventual sale price.
It last sold in March 1997 for £78,000. The current estimate is 294% higher than that price. The current owner has held it for about 29 years.
The modelled value is down 3% over the past year and unchanged over the past five years.
Among 10 nearby properties Stede tracks in the SL9 area, estimated values run from £234,000 to £670,000. This flat's £307,000 sits toward the upper end of that range.
Common questions
How much is 31 Flat 3, Sea Lane, Gerrards Cross, Chiltern, Buckinghamshire, SL9 9SP worth?
Stede estimates 31 Flat 3, Sea Lane, Gerrards Cross, Chiltern, Buckinghamshire, SL9 9SP is worth £307,000 as of November 2026, within a likely range of £233,000 to £391,000. 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 31 Flat 3, Sea Lane, Gerrards Cross, Chiltern, Buckinghamshire, SL9 9SP last sell?
It last sold in March 1997 for £78,000.
What type of property is 31 Flat 3, Sea Lane, Gerrards Cross, Chiltern, Buckinghamshire, SL9 9SP?
It is recorded as a Flat / Maisonette in the SL9 postcode area.
How reliable is this estimate?
The confidence score is 50 out of 100 (medium). Tested against real sales of similar homes, estimates like this one are typically within 13% 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 42 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 1,742 real sales of similar homes.
- Its sale in March 1997, brought up to today with the House Price Index£295,29875%
- 42 similar homes sold recently in the same postcode sector£343,71125%
Estimate £307,000, likely £233,000 – £391,000
Read the full methodology and data sources →