SO16 4BY is a residential postcode situated on Romsey Road, Southampton, SO16 with 50 addresses.
It ranks as the 1381st largest and 445th most expensive of the 1,488 postcodes in the SO16 area. The dominant property type is a period house built between 1800 and 1911.
The postcode contains a total of 50 properties: 39 houses and 11 flats.
SO16 4BY is a residential postcode situated on Romsey Road, Southampton, SO16 with 50 addresses.
It ranks as the 1381st largest and 445th most expensive of the 1,488 postcodes in the SO16 area. The dominant property type is a period house built between 1800 and 1911.
The postcode contains a total of 50 properties: 39 houses and 11 flats.
Sale prices range from £99,677 for 1 bedroom leasehold flats with a garden (193 ft2) to £279,712 for 4 bedroom freehold houses with a garden (1,194 ft2) .
Monthly rental prices range from £574 pcm for 1 bed flats to £1,563 pcm for 4 bed houses.
The gross rental yield is between 5.7% and 7.9%.
The average value per square foot is £285.
The last sale in SO16 4BY sold for £261,000 on 22nd August 2025. Since then prices are down an average of 0.1%.
The current average value in the postcode is £217,529.
The SO16 4BY Sales Market has increased by 18.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | -2.8% | £217,529 |
| April 2025 | 1.4% | £223,894 |
| April 2024 | 0% | £220,783 |
| April 2023 | 2.4% | £220,842 |
| April 2022 | 9% | £215,759 |
| April 2021 | 0.9% | £197,993 |
| April 2020 | 0.6% | £196,271 |
| April 2019 | -0.4% | £195,014 |
| April 2018 | 1.7% | £195,711 |
| April 2017 | 4.4% | £192,464 |
| April 2016 | 8.7% | £184,342 |
| April 2015 | 6.3% | £169,590 |
| April 2014 | 5.4% | £159,472 |
| April 2013 | 2.8% | £151,362 |
| April 2012 | -1.5% | £147,293 |
| April 2011 | -3.2% | £149,472 |
| April 2010 | 7.5% | £154,458 |
| April 2009 | -11.1% | £143,635 |
| April 2008 | 1.2% | £161,479 |
| April 2007 | 0% | £159,623 |
The current average rental value in the postcode is £1,340.
The SO16 4BY Rental Market has increased by 42.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 3.3% | £1,340pcm |
| April 2025 | 3.7% | £1,297pcm |
| April 2024 | 8.2% | £1,251pcm |
| April 2023 | 8.6% | £1,156pcm |
| April 2022 | 7.5% | £1,064pcm |
| April 2021 | 3.8% | £989pcm |
| April 2020 | 1.8% | £953pcm |
| April 2019 | 1.3% | £937pcm |
| April 2018 | -1% | £924pcm |
| April 2017 | -0.8% | £934pcm |
| April 2016 | 3.9% | £942pcm |
| April 2015 | 3.2% | £906pcm |
| April 2014 | 3.7% | £878pcm |
| April 2013 | 2.7% | £846pcm |
| April 2012 | 0.5% | £824pcm |
| April 2011 | 2.1% | £820pcm |
| April 2010 | 3.7% | £804pcm |
| April 2009 | -3.3% | £775pcm |
| April 2008 | 1.9% | £802pcm |
| April 2007 | 0% | £787pcm |
The last sale was on 22nd August 2025 for £261,000 and since then the market in the area has decreased by 0.1%. The postcode has had a total of 99 sales since 1995.
SO16 4BY has seen 9 sales in the last three years and 1 sale in the last twelve months.
SO16 4BY is the 1381st largest and the 445th most expensive postcode out of the 1,488 postcodes in the SO16 area.
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The closest station to SO16 4BY is Millbrook (Hants) station which is 1.5 kilometres away.
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The recent census recorded whether a resident owned or rented their home.
In the area around SO16 4BY, 48.6% of property is privately rented and 22.9% is privately owned with a mortgage.
The graph below shows how this compares to South East and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around SO16 4BY, 22.8% of residents are recorded as possessing school level qualifications and 43.5% as possessing degree level qualifications.
The graph below shows how this compares to South East and the rest of England & Wales.
The most recent census in 2021 recorded the age of all UK residents.
In the area around SO16 4BY, the average age was 36.4 and the most common age was 32.
The graph below shows how this compares to South East and the rest of England & Wales
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around SO16 4BY, 0.0% of property was a second home.
Comparison figures for South East and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around SO16 4BY, there are an average of 0.8 cars per household.
See below for how this compares to South East and the rest of England & Wales.
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
According to data from the Environment Agency, the flood risk in this area is considered to be very low.