How much is 15 Oyster Mews, Portsmouth, PO1 2JS worth?
Estimated value — November 2026
£910,000
Likely range £665,000 – £1,282,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale October 2011
43%
confidence
Low
Typically within 14% of the sale price
Property details
Detached house
Oyster Mews · Portsmouth · PO1 2JS
Energy performance
Mains Gas (Not Community) · EPC 1700-6604-0622-0494-3753 · inspected March 2025
Address
- District
- Portsmouth
- County
- Portsmouth
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 |
|---|---|---|---|
| 2000 | £237,048 | £201,739 – £274,945 | — |
| 2001 | £270,852 | £230,030 – £314,505 | — |
| 2002 | £340,264 | £291,336 – £392,750 | — |
| 2003 | £377,712 | £326,036 – £434,827 | — |
| 2004 | £392,263 | £341,222 – £452,913 | — |
| 2005 | £396,947 | £346,820 – £469,363 | — |
| 2006 | £413,647 | £355,037 – £534,836 | — |
| 2007 | £461,309 | £398,057 – £583,746 | £442,000 |
| 2008 | £422,677 | £369,161 – £496,653 | — |
| 2009 | £467,357 | £407,953 – £544,037 | — |
| 2010 | £509,620 | £443,290 – £624,896 | — |
| 2011 | £536,280 | £455,932 – £717,254 | £535,000 |
| 2012 | £544,736 | £470,071 – £659,481 | — |
| 2013 | £562,991 | £479,068 – £671,594 | — |
| 2014 | £605,051 | £506,014 – £729,882 | — |
| 2015 | £665,641 | £547,293 – £814,941 | — |
| 2016 | £720,466 | £582,967 – £898,113 | — |
| 2017 | £763,332 | £608,516 – £966,051 | — |
| 2018 | £787,579 | £620,011 – £1,008,577 | — |
| 2019 | £794,300 | £617,852 – £1,030,262 | — |
| 2020 | £833,577 | £640,282 – £1,095,987 | — |
| 2021 | £867,493 | £658,190 – £1,156,773 | — |
| 2022 | £969,245 | £727,819 – £1,309,000 | — |
| 2023 | £929,064 | £691,519 – £1,271,158 | — |
| 2024 | £957,685 | £708,116 – £1,325,543 | — |
| 2025 | £907,322 | £666,097 – £1,269,792 | — |
| 2026 | £910,000 | £665,000 – £1,282,000 | — |
Sale history
Mortgage calculator
£4,884
Estimated monthly repayment
£819,000
Loan amount
£939,248
Total interest
£1,758,248
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
- 12 Oyster Mews, Portsmouth, PO1 2JS£660,000 · 2017£830,000
- 8 Oyster Mews, Portsmouth, PO1 2JS£440,000 · 2005£747,000
- Oyster Mews, 7, French Street, Old Portsmouth, Portsmouth, PO1 2JS£530,000 · 2020£629,000
- 11 Oyster Mews, Portsmouth, PO1 2JS£365,000 · 2015£498,000
- 3 Oyster Mews, Portsmouth, PO1 2JS£640,000 · 2018£787,000
- 1 Oyster Mews, Portsmouth, PO1 2JS£390,000 · 2013£647,000
- 14 Oyster Mews, Portsmouth, PO1 2JS£110,600 · 2003£535,000
- 5 Oyster Mews, Portsmouth, PO1 2JS£350,000 · 2018£398,000
- 6 Oyster Mews, Portsmouth, PO1 2JS£500,000 · 2020—
About this property
15 Oyster Mews, Portsmouth, PO1 2JS is a detached house on Oyster Mews in Portsmouth. Stede's estimated value for November 2026 is £910,000. Four in five similar homes sold within their likely range when tested; for this property that range is £665,000 to £1,282,000. It is based on its own last sale brought up to date with the House Price Index. The confidence score is 43 out of 100 (low): estimates like this one are typically within 14% of the eventual sale price.
It last sold in October 2011 for £535,000. It has 3 sales on record, the earliest in 1995. The current estimate is 70% higher than that price. The current owner has held it for about 15 years.
Its EPC energy-efficiency rating is band C (71 out of 100), with a potential of band B (81) after the recommended improvements. The certificate records a total floor area of 153 m² (1,647 sq ft). It was lodged in March 2025.
The modelled value is unchanged over the past year and up 6% over the past five years.
Among 8 nearby properties Stede tracks in the PO1 area, estimated values run from £398,000 to £830,000. This detached house's £910,000 sits above that range.
Common questions
How much is 15 Oyster Mews, Portsmouth, PO1 2JS worth?
Stede estimates 15 Oyster Mews, Portsmouth, PO1 2JS is worth £910,000 as of November 2026, within a likely range of £665,000 to £1,282,000. 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 15 Oyster Mews, Portsmouth, PO1 2JS last sell?
It last sold in October 2011 for £535,000. There are 3 sales on record, the earliest in 1995.
What type of property is 15 Oyster Mews, Portsmouth, PO1 2JS?
It is recorded as a Detached house on Oyster Mews in the PO1 postcode area.
What is the EPC rating of 15 Oyster Mews, Portsmouth, PO1 2JS?
15 Oyster Mews, Portsmouth, PO1 2JS has an EPC energy-efficiency rating of band C (71 out of 100). Its potential rating after the recommended improvements is band B (81). The certificate records a floor area of 153 m² (1,647 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 43 out of 100 (low). 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 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 4,861 real sales of similar homes.
- Its sale in October 2011, brought up to today with the House Price Index£910,020100%
Estimate £910,000, likely £665,000 – £1,282,000
Read the full methodology and data sources →