Portswood Road - SO17 3SL
Key Postcode Insights
SO17 3SL is a residential postcode situated on Portswood Road, Southampton, SO17 with 17 addresses.
It ranks as the 237th largest and 108th most expensive of the 425 postcodes in the SO17 area. The most common property type is a mid-century flat built between 1936 and 1979.
The postcode contains a total of 17 properties: 1 house and 16 flats.
- Ave. Sale Price
- £159,216
- 10 Year change
- up 11.2%
- Ave. Rental Price
- £1,025pcm
- 10 Year change
- up 42.2%
- Ave. £ per ft²
- £232/ft²
- Ave. Gross Yield
- 7.7%/year/yr
Key Postcode Insights
SO17 3SL is a residential postcode situated on Portswood Road, Southampton, SO17 with 17 addresses.
It ranks as the 237th largest and 108th most expensive of the 425 postcodes in the SO17 area. The most common property type is a mid-century flat built between 1936 and 1979.
The postcode contains a total of 17 properties: 1 house and 16 flats.
- Ave. Sale Price
- £159,216
- 10 Year change
- up 11.2%
- Ave. Rental Price
- £1,025pcm
- 10 Year change
- up 42.2%
- Ave. £ per ft²
- £232/ft²
- Ave. Gross Yield
- 7.7%/year/yr
Explore Propertiesin SO17 3SL
- 599 Portswood Road
Building  |  3 Flats
- 601 Portswood Road
Building  |  2 Flats
- 603 Portswood Road
2 Bed Mid-century Flat
- 605 Portswood Road
2 Bed Mid-century Flat
- 607 Portswood Road
3 Bed Mid-century House
Sales Market Trends
The last sale in SO17 3SL sold for £1,394,125 on 4th July 2025. Since then prices are down an average of 3.3%.
The current average value in the postcode is £159,216.
The SO17 3SL Sales Market has increased by 11.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -4.3% | £159,216 |
| June 2025 | 0.4% | £166,400 |
| June 2024 | 2.5% | £165,793 |
| June 2023 | 0.5% | £161,708 |
| June 2022 | 7.6% | £160,931 |
| June 2021 | 1.7% | £149,563 |
| June 2020 | 0.2% | £147,039 |
| June 2019 | 0.3% | £146,792 |
| June 2018 | -0.8% | £146,422 |
| June 2017 | 3.1% | £147,604 |
| June 2016 | 6.5% | £143,235 |
| June 2015 | 3.3% | £134,553 |
| June 2014 | 6.9% | £130,266 |
| June 2013 | -2% | £121,831 |
| June 2012 | 1.1% | £124,363 |
| June 2011 | -1.2% | £123,029 |
| June 2010 | 5% | £124,538 |
| June 2009 | -8.9% | £118,616 |
| June 2008 | -5.2% | £130,225 |
| June 2007 | 0% | £137,434 |
Rental Market Trends
The current average rental value in the postcode is £1,025.
The SO17 3SL Rental Market has increased by 42.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3% | £1,025pcm |
| June 2025 | 2.7% | £995pcm |
| June 2024 | 8.1% | £969pcm |
| June 2023 | 9.2% | £897pcm |
| June 2022 | 6.5% | £821pcm |
| June 2021 | 5.1% | £771pcm |
| June 2020 | 2.3% | £734pcm |
| June 2019 | 0.6% | £717pcm |
| June 2018 | -0.1% | £713pcm |
| June 2017 | -1% | £714pcm |
| June 2016 | 3.1% | £721pcm |
| June 2015 | 4.5% | £699pcm |
| June 2014 | 2.1% | £669pcm |
| June 2013 | 1.4% | £655pcm |
| June 2012 | 1% | £646pcm |
| June 2011 | 1.7% | £640pcm |
| June 2010 | 5.9% | £629pcm |
| June 2009 | -4.8% | £594pcm |
| June 2008 | -0.8% | £624pcm |
| June 2007 | 0% | £629pcm |
Sales History
The last sale was on 4th July 2025 for £1,394,125 and since then the market in the area has decreased by 3.3%. The postcode has had a total of 16 sales since 1995.
SO17 3SL has seen 2 sales in the last three years and no sales in the last twelve months.
- Sold Jul 2025£1,394,125 | 1 Bed Flat599, Portswood Road, Southampton, SO17 3SL599, Portswood Road, Southampton, SO17 3SL
- Sold Jan 2023£163,000 | 2 Bed Flat619, Portswood Road, Southampton, SO17 3SL619, Portswood Road, Southampton, SO17 3SL
- Sold Oct 2022£164,000 | 2 Bed Flat621, Portswood Road, Southampton, SO17 3SL621, Portswood Road, Southampton, SO17 3SL
- Sold May 2019£137,000 | 2 Bed Flat623, Portswood Road, Southampton, SO17 3SL623, Portswood Road, Southampton, SO17 3SL
- Sold Dec 2018£144,000 | 2 Bed Flat619, Portswood Road, Southampton, SO17 3SL619, Portswood Road, Southampton, SO17 3SL
Nearby Postcodes
SO17 3SL is the 237th largest and the 108th most expensive postcode out of the 425 postcodes in the SO17 area.
- SO17 3SE, Portswood Road, Southampton, SO17SO17 3SE19 Addresses|48 m away
- SO17 3TW, Sirdar Road, Southampton, SO17SO17 3TW6 Addresses|60 m away
- SO17 3SD, Portswood Road, Southampton, SO17SO17 3SD39 Addresses|66 m away
- SO17 3SN, Portswood Road, Southampton, SO17SO17 3SN6 Addresses|78 m away
- SO17 3SS, Portswood Road, Southampton, SO17SO17 3SS6 Addresses|105 m away
Property Types
- 2 period flats built between 1800 and 1911
- 1 mid-century house built between 1936 and 1979
- 9 mid-century flats built between 1936 and 1979
- 3 early-century flats built between 1912 and 1935
- 2 other addresses of unknown type
- period flat (2)
- mid-century house (1)
- mid-century flat (9)
- early-century flat (3)
- Unknown (2)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 13 properties.
- The most common rating is C.
- A (0)
- E (2)
- B (0)
- F (1)
- C (7)
- G (0)
- D (3)
- No EPC (4)
Top 3 Most Expensive Sales
- Sold Sep 2016£10,490,000 | 3 Bed House278, Portswood Road, Southampton, SO17 2TD278, Portswood Road, Southampton, SO17 2TD
- Sold Sep 2016£10,490,000 | 2 Bed Flat419, Portswood Road, Southampton, SO17 2LF419, Portswood Road, Southampton, SO17 2LF
- Sold Jul 2025£2,002,145 | 2 Bed FlatG335 Grosvenor House, Portswood Road, Southampton, SO17 2BGG335 Grosvenor House, Portswood Road, Southampton, SO17 2BG
Schools Nearby
- Portswood Primary School300 m away
- Swaythling Primary School600 m away
- Bitterne Park Primary & Nursery School - Part of the Learning Federation Partnership of Schools600 m away
- Bitterne Park School1.1 km away
- Cantell School1.5 km away
- Saint George Catholic Voluntary Aided College Southampton1.5 km away
More reading links
Public Transport Nearby
The closest station to SO17 3SL is Swaythling station, which is 1.1 kilometres away.
- Swaythling|1.1 km away
- St Denys|1.2 km away
- Bitterne|1.6 km away
- Southampton Airport Parkway|2.5 km away
