How much is 1 Flat 21, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB worth?
Estimated value — November 2026
£335,000
Likely range £267,000 – £419,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale March 2026
59%
confidence
Medium
Typically within 10% of the sale price
Property details
Flat / Maisonette
Polytechnic Street · London · SE18 6PB
Address
- District
- Greenwich
- County
- Greater London
Value over time
- Modelled value
- Recorded sale
- 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 | Recorded sale |
|---|---|---|---|
| 2018 | £341,216 | £295,218 – £427,225 | £347,350 |
| 2019 | £341,033 | £297,798 – £399,468 | — |
| 2020 | £340,480 | £295,632 – £392,661 | — |
| 2021 | £348,646 | £300,330 – £401,316 | — |
| 2022 | £353,618 | £305,657 – £407,124 | — |
| 2023 | £338,147 | £294,510 – £390,736 | — |
| 2024 | £335,974 | £293,658 – £399,789 | — |
| 2025 | £321,655 | £274,622 – £425,153 | — |
| 2026 | £335,000 | £267,000 – £419,000 | £315,000 |
Sale history
Mortgage calculator
£1,798
Estimated monthly repayment
£301,500
Loan amount
£345,767
Total interest
£647,267
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
- 1 Flat 13, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB£285,000 · 2026£354,000
- 1 Flat 33, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB£375,000 · 2018£343,000
- 1 Flat 34, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB£360,000 · 2018£329,000
- 1 Flat 30, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB£380,000 · 2018£344,000
- 1 Flat 32, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB£340,000 · 2018£308,000
- 1 Flat 23, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB£372,000 · 2018£337,000
- 1 Flat 15, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB£358,000 · 2018£324,000
- 1 Flat 24, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB£360,000 · 2018£326,000
- 1 Flat 6, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB£349,000 · 2018£316,000
- 1 Flat 14, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB£370,000 · 2018£335,000
About this property
1 Flat 21, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB is a flat on Polytechnic Street in London. Stede's estimated value for November 2026 is £335,000. Four in five similar homes sold within their likely range when tested; for this property that range is £267,000 to £419,000. It is based on its own last sale brought up to date with the House Price Index. The confidence score is 59 out of 100 (medium): estimates like this one are typically within 10% of the eventual sale price.
It last sold in March 2026 for £315,000. It has 2 sales on record, the earliest in 2018. The current estimate is 6% higher than that price.
The modelled value is up 1% over the past year and down 5% over the past five years.
Among 10 nearby properties Stede tracks in the SE18 area, estimated values run from £308,000 to £354,000. This flat's £335,000 sits around the middle of that range.
Common questions
How much is 1 Flat 21, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB worth?
Stede estimates 1 Flat 21, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB is worth £335,000 as of November 2026, within a likely range of £267,000 to £419,000. 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 1 Flat 21, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB last sell?
It last sold in March 2026 for £315,000. There are 2 sales on record, the earliest in 2018.
What type of property is 1 Flat 21, Polytechnic Street, London, Greenwich, Greater London, SE18 6PB?
It is recorded as a Flat / Maisonette on Polytechnic Street in the SE18 postcode area.
How reliable is this estimate?
The confidence score is 59 out of 100 (medium). Tested against real sales of similar homes, estimates like this one are typically within 10% 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 is based on its own last sale brought up to date with the House Price Index. 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
This is the evidence the estimate is based on. The likely range and confidence come from testing the same method against 30,217 real sales of similar homes.
- Its sale in March 2026, brought up to today with the House Price Index£334,921100%
Estimate £335,000, likely £267,000 – £419,000
Read the full methodology and data sources →