SO20 postcode area guide — Test Valley
House prices, crime, broadband speeds, mobile signal, schools and demographics for the SO20 postcode district in Test Valley — every official dataset on one page.
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Where is SO20?
Broadband & internet speeds in SO20
Strong coverage
Superfast (30Mb+)
83.6%
Ultrafast (300Mb+)
53.1%
Gigabit-capable
53.1%
Below USO (10Mb)
2.5%
Broadband availability in the SO20 postcode district (Test Valley) is Strong — superfast is near-universal and gigabit is rolling out. Across the 341 postcodes Ofcom measures in SO20, superfast broadband (30 Mbit/s or faster) reaches 83.6% of premises and gigabit-capable lines are available to 53.1%.
Around 2.5% of premises in SO20 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.
Sample postcodes in SO20
| Postcode | Superfast | Gigabit |
|---|---|---|
| SO20 6AA | 100% | 92.9% |
| SO20 6AB | 100% | 86.4% |
| SO20 6AD | 100% | 100% |
| SO20 6AE | 100% | 100% |
| SO20 6AF | 100% | 100% |
| SO20 6AG | 100% | 87.5% |
| SO20 6AH | 100% | 100% |
| SO20 6AJ | 100% | 0% |
| SO20 6AL | 100% | 93.1% |
| SO20 6AN | 100% | 66.7% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Test Valley
Ofcom's coverage model for the wider Test Valley district (62,117 premises):
4G indoors — all networks
81.9%
4G outdoors — all networks
98.4%
5G outdoors — all networks
49.2%
Voice indoors — all networks
86.1%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in SO20
Police recorded 3 incidents within about a mile of the centre of SO20 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Other crime | 2 | 66.7% |
| Criminal damage & arson | 1 | 33.3% |
Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).
House prices in SO20
Based on 60 sales registered with HM Land Registry in the last 12 months, the median sold price in SO20 is £625,000, up 5.0% on the previous year (£595,000).
Detached
£804,600
32 sales
Semi-detached
£418,000
13 sales
Terraced
£445,000
11 sales
Latest recorded sales in SO20
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 6 May 2026 | £470,000 | Terraced | Church Road | SO20 6NB |
| 1 May 2026 | £950,000 | Detached | Rookery Lane | SO20 8AZ |
| 22 Apr 2026 | £625,000 | Detached | Station Road | SO20 6AW |
| 17 Apr 2026 | £650,000 | Detached | Drove Road | SO20 6AD |
| 10 Apr 2026 | £425,000 | Terraced | Scott Close | SO20 6NS |
| 7 Apr 2026 | £462,500 | Terraced | SO20 8EE | |
| 2 Apr 2026 | £400,000 | Terraced | Printers Place | SO20 8JB |
| 20 Mar 2026 | £324,000 | Terraced | Pound Road | SO20 8JU |
| 18 Mar 2026 | £375,000 | Semi-detached | Triangle Cottage | SO20 6PL |
| 23 Feb 2026 | £605,000 | Detached | High Street | SO20 8AD |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
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Who lives here? Test Valley demographics
Census 2021 figures for the wider Test Valley district (130,492 residents, 54,706 households):
| Age profile | |
|---|---|
| Under 15 | 18.2% |
| 15–29 | 20.1% |
| 30–44 | 19.4% |
| 45–64 | 21.1% |
| 65+ | 21.2% |
| Housing tenure | |
|---|---|
| Owner-occupied | 68.9% |
| Private rented | 14.8% |
| Social rented | 10.8% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around SO20
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Danebury School | Secondary | 11–16 | 357 | SO20 6HA |
| Stockbridge Primary & Pre-School | Primary | 2–11 | 158 | SO20 6EJ |
| King's Somborne Church of England Primary School | Primary | 4–11 | 92 | SO20 6PN |
| Broughton Primary School | Primary | 4–11 | 90 | SO20 8AN |
| Wallop Primary School | Primary | 4–11 | 88 | SO20 8EH |
Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.
Food hygiene ratings in SO20
63 rated food businesses operate in SO20. 58 hold the top rating of 5, 2 are rated 4, and none are currently rated 2 or below.
Among the 5-rated: 360 Degree Sports Coaching, Apache Cafe, Aspens Services Ltd At Danebury School, Black Rock Grill, Broughton Community Shop.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in SO20
From a sample of 134 Energy Performance Certificates across 11 SO20 postcodes, the most common rating is band D (average band D). 24% of sampled homes are rated C or better.
Band B
1%
Band C
23%
Band D
32%
Band E
32%
Band F
10%
Band G
2%
Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.
Phone area codes for Test Valley
Landlines around SO20 typically use:
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What's it like living in SO20?
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Moving to SO20? Sort your connectivity first
We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Test Valley — free, no-obligation quote.
Postcodes in SO20
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Frequently asked questions
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Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.