SO40 4AL
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Property report — SO40 4AL
Open-data due diligence for SO40 4AL and the area around it.
SO40 4AL in brief: 76 recorded sales (£52,000–£518,000) · medium flood risk · 6 schools nearby.
What scope is each figure? Sold sales, broadband and flood risk are for SO40 4AL itself. Where open data isn't published that finely (population, crime, schools), we show the SO40 4 sector — each figure below is tagged with its scope.
Avg sold price
£357,922
Population
10,486
Crimes recorded
31
Schools
2
Flood risk
Medium
Gigabit broadband
77%
Sold-price trend (1995–2026)
Annual sold price in SO40 4, 1995–2026 — mean (blue) and median (terracotta). The median is the typical sale; a wide gap to the mean means a few high-value sales pull the average up. 2026 is a part year (21 sales so far). Hover a point for both figures. Source: HM Land Registry Price Paid.
Sold prices on this postcode
| Date | Price | Address | Type |
|---|---|---|---|
| 2024-08-30 | £250,000 | 23 PORTSIDE CLOSE | Flat |
| 2024-05-10 | £518,000 | 1 PORTSIDE CLOSE | Terraced |
| 2023-11-22 | £270,000 | 17 PORTSIDE CLOSE | Flat |
| 2023-07-11 | £387,000 | 5 PORTSIDE CLOSE | Terraced |
| 2023-03-10 | £350,000 | 6 PORTSIDE CLOSE | Terraced |
| 2021-09-23 | £439,000 | 2 PORTSIDE CLOSE | Detached |
| 2021-08-27 | £260,000 | 24 PORTSIDE CLOSE | Flat |
| 2021-06-30 | £360,000 | 6 PORTSIDE CLOSE | Terraced |
| 2021-04-30 | £242,000 | 17 PORTSIDE CLOSE | Flat |
| 2020-11-27 | £250,000 | 30 PORTSIDE CLOSE | Flat |
| 2018-05-16 | £255,000 | 20 PORTSIDE CLOSE | Flat |
| 2016-12-09 | £235,000 | 21 PORTSIDE CLOSE | Flat |
| 2016-11-11 | £231,000 | 17 PORTSIDE CLOSE | Flat |
| 2015-09-04 | £210,000 | 20 PORTSIDE CLOSE | Flat |
| 2015-05-05 | £325,000 | 1 PORTSIDE CLOSE | Terraced |
| 2014-06-06 | £205,000 | 31 PORTSIDE CLOSE | Flat |
| 2014-06-04 | £205,000 | 15 PORTSIDE CLOSE | Flat |
| 2014-01-29 | £199,000 | 32 PORTSIDE CLOSE | Flat |
| 2013-05-31 | £202,000 | 28 PORTSIDE CLOSE | Flat |
| 2011-10-28 | £270,000 | 5 PORTSIDE CLOSE | Terraced |
| 2010-06-11 | £210,000 | 31 PORTSIDE CLOSE | Flat |
| 2009-06-18 | £193,000 | 28 PORTSIDE CLOSE | Flat |
| 2008-11-14 | £207,000 | 29 PORTSIDE CLOSE | Flat |
| 2008-02-07 | £225,000 | 16 PORTSIDE CLOSE | Flat |
| 2007-08-30 | £272,000 | 6 PORTSIDE CLOSE | Terraced |
| 2007-05-18 | £187,000 | 16 PORTSIDE CLOSE | Flat |
| 2007-02-20 | £197,000 | 15 PORTSIDE CLOSE | Flat |
| 2006-08-25 | £245,000 | 4 PORTSIDE CLOSE | Terraced |
| 2006-08-14 | £196,000 | 29 PORTSIDE CLOSE | Flat |
| 2006-07-24 | £204,000 | 26 PORTSIDE CLOSE | Flat |
| 2006-07-13 | £204,000 | 30 PORTSIDE CLOSE | Flat |
| 2006-02-17 | £194,500 | 24 PORTSIDE CLOSE | Flat |
| 2005-10-27 | £177,000 | 17 PORTSIDE CLOSE | Flat |
| 2005-05-12 | £195,000 | 32 PORTSIDE CLOSE | Flat |
| 2005-04-20 | £264,000 | 2 PORTSIDE CLOSE | Detached |
| 2004-09-30 | £205,000 | 26 PORTSIDE CLOSE | Flat |
| 2004-09-01 | £196,000 | 30 PORTSIDE CLOSE | Flat |
| 2004-03-31 | £185,000 | 23 PORTSIDE CLOSE | Flat |
| 2003-12-05 | £207,500 | 6 PORTSIDE CLOSE | Terraced |
| 2003-08-15 | £185,000 | 24 PORTSIDE CLOSE | Flat |
| 2003-04-11 | £179,950 | 18 PORTSIDE CLOSE | Flat |
| 2003-03-07 | £249,950 | 3 PORTSIDE CLOSE | Detached |
| 2002-10-18 | £175,000 | 22 PORTSIDE CLOSE | Flat |
| 2002-05-07 | £181,950 | 9 PORTSIDE CLOSE | Terraced |
| 2002-04-12 | £171,000 | 26 PORTSIDE CLOSE | Flat |
| 2002-03-28 | £168,000 | 19 PORTSIDE CLOSE | Flat |
| 2002-03-15 | £168,000 | 26 PORTSIDE CLOSE | Flat |
| 2002-02-15 | £148,000 | 14 PORTSIDE CLOSE | Flat |
| 2002-02-13 | £149,000 | 18 PORTSIDE CLOSE | Flat |
| 2002-02-12 | £152,000 | 15 PORTSIDE CLOSE | Flat |
| 2002-02-08 | £143,000 | 20 PORTSIDE CLOSE | Flat |
| 2002-02-08 | £149,000 | 16 PORTSIDE CLOSE | Flat |
| 2002-02-07 | £145,000 | 12 PORTSIDE CLOSE | Flat |
| 2002-01-25 | £149,000 | 17 PORTSIDE CLOSE | Flat |
| 2002-01-18 | £149,000 | 23 PORTSIDE CLOSE | Flat |
| 2002-01-11 | £149,000 | 24 PORTSIDE CLOSE | Flat |
| 2002-01-08 | £145,000 | 21 PORTSIDE CLOSE | Flat |
| 2002-01-07 | £149,000 | 25 PORTSIDE CLOSE | Flat |
| 2002-01-07 | £147,000 | 22 PORTSIDE CLOSE | Flat |
| 2001-11-27 | £148,000 | 28 PORTSIDE CLOSE | Flat |
| 2001-11-27 | £149,000 | 29 PORTSIDE CLOSE | Flat |
| 2001-11-23 | £152,000 | 30 PORTSIDE CLOSE | Flat |
| 2001-11-23 | £152,000 | 31 PORTSIDE CLOSE | Flat |
| 2001-11-21 | £225,000 | 32 PORTSIDE CLOSE | Flat |
| 2001-11-21 | £148,000 | 27 PORTSIDE CLOSE | Flat |
| 2001-11-16 | £178,000 | 8 PORTSIDE CLOSE | Terraced |
| 2001-09-28 | £178,000 | 7 PORTSIDE CLOSE | Terraced |
| 2001-09-06 | £175,000 | 10 PORTSIDE CLOSE | Terraced |
| 2001-08-31 | £166,000 | 11 PORTSIDE CLOSE | Terraced |
| 2001-08-29 | £153,000 | 9 PORTSIDE CLOSE | Terraced |
| 2001-08-22 | £158,000 | 6 PORTSIDE CLOSE | Terraced |
| 2001-08-10 | £178,000 | 5 PORTSIDE CLOSE | Terraced |
| 2001-08-02 | £165,000 | 4 PORTSIDE CLOSE | Terraced |
| 2001-02-05 | £177,000 | 1 PORTSIDE CLOSE | Terraced |
| 2001-01-31 | £185,000 | 3 PORTSIDE CLOSE | Detached |
| 2000-12-08 | £52,000 | 2 PORTSIDE CLOSE | Detached |
76 recorded sales on SO40 4AL. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.
Nearest schools
| School | Distance | Phase | Ofsted |
|---|---|---|---|
| Marchwood Junior School | 0.8 mi | Primary | Report card → |
| Freemantle Church of England Community Academy | 1.1 mi | Primary | Report card → |
| Tanners Brook Primary School | 1.2 mi | Primary | Report card → |
| Marchwood Church of England Infant School | 1.2 mi | Primary | Report card → |
| Foundry Lane Primary School | 1.3 mi | Primary | Requires improvement (2022) |
| St Mark's Church of England School | 1.3 mi | All-through | Good (2022) |
Straight-line distance from the postcode. Ofsted = latest overall effectiveness (newer inspections may be ungraded). Sources: Get Information about Schools (DfE) · Ofsted.
What's nearby
Nearest GP surgeries: ATHERLEY HOUSE SURGERY (1.3 mi) · THE SHIRLEY HEALTH PARTNERSHIP (1.4 mi) · BROOK HOUSE SURGERY (1.4 mi)
Nearest hospitals: WESTERN COMMUNITY HOSPITAL (1.6 mi) · SPIRE SOUTHAMPTON HOSPITAL (2.1 mi) · THE ROYAL SOUTH HANTS HOSPITAL (2.2 mi)
Nearest listed buildings: FORMER EXAMINING ROOM AND ASSOCIATED WALLS AT FORMER ROYAL NAVAL ARMAMENTS DEPOT 130M NORTH WEST OF ENTRANCE LODGE (MARCHWOOD YACHT CLUB OFFICES) (Grade II) (0.0 mi) · FORMER RECEIVING ROOM AT FORMER ROYAL NAVAL ARMAMENTS DEPOT 130M NORTH OF ENTRANCE LODGE (MARCHWOOD YACHT CLUB OFFICES) (Grade II) (0.1 mi) · FORMER MAGAZINE AND ASSOCIATED BLAST WALLS AT FORMER ROYAL NAVAL ARMAMENTS DEPOT, 200M WNW OF ENTRANCE LODGE (MARCHWOOD YACHT CLUB OFFICES) (Grade II) (0.1 mi)
Nearest pharmacies: DAY LEWIS PHARMACY (0.8 mi) · REGENT'S PARK PHARMACY (1.0 mi) · SHIRLEY PHARMACY (1.3 mi)
Nearest stations: Millbrook (Hants) (0.8 mi) · Southampton Central (1.4 mi) · Redbridge (Hants) (1.7 mi)
Nearest supermarkets: Aldi (1.2 mi) · Co-op Food (1.3 mi) · Twój Sklep (1.4 mi)
Straight-line distance from the postcode. Source: NaPTAN (DfT).
Who lives here
- Median age
- 46
- One-person households
- 27%
- Households with children
- 28%
- Households
- 4,423
Owned 68% · Social rent 11% · Private rent 20%
Census 2021 (ONS), for SO40 4.
Recorded crime trend
Recorded crimes per month in SO40 4 (May 24–Apr 26, average 25/month). Hover a point to read the count. Source: Police.uk street-level data.
Flood risk
This is an indicative band for the postcode from the Environment Agency's catchment modelling (rivers and surface water), not a property-specific assessment. A conveyancer will run an official flood search before you buy. Check the exact address on the official Environment Agency map →
Source: Environment Agency Risk of Flooding from Rivers and Sea (the official dataset name). Indicative catchment data, not an official property flood search.
How granular is this?
| Measure | DistrictSO40 | SectorSO40 4 | PostcodeSO40 4AL |
|---|---|---|---|
| Average sold price | £366,575 | £357,922 | £205,511 |
| Population | 46,075 | 10,486 | — |
| Deprivation decile (1 = most deprived) | 7/10 | 8/10 | — |
| Crimes recorded | 224 | 31 | — |
| Schools | 19 | 2 | — |
| Flood risk | High | High | Medium |
| Gigabit broadband | 73% | 77% | 100% |
| Superfast broadband | 95% | 94% | 100% |
— = no separate figure is published at that level. Most open data is published down to the sector (SO40 4); the postcode column is built from the layers that go finer (sold transactions, Ofcom broadband). Sources: HM Land Registry · Police.uk · Ofsted/GIAS · ONS & IoD2025 · Environment Agency · Ofcom.
Your next steps
Get the official title document
The HM Land Registry title register shows the legal owner, price paid and any charges or covenants. Official copy, £7.
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Report generated 2 July 2026. Open data is refreshed periodically; HM Land Registry Price Paid typically lags by around two months, so the most recent sales may not appear yet.
Contains OS data © Crown copyright and database right 2026
Contains Royal Mail data © Royal Mail copyright and database right 2026
Contains National Statistics data © Crown copyright and database right 2026
Indicative due diligence compiled from public open data. Not a substitute for a regulated conveyancing or property search, a survey, or professional advice.