Sandy Down Chilbolton Down, Test Valley
46 addresses across 6 postcodes (SO20), about 2.1 km (1.3 miles) long. USRN 40013226.
- Sales: 4 recorded sales since 1995; in 2018 the median was £365,000 across 1 sale.
- Energy: 15 homes have an energy certificate (C: 1, D: 4, E: 9, F: 1).
- Flood: No address on its postcodes is in an area at high or medium risk of flooding from rivers, the sea or surface water.
- Council tax: Most homes around it are in council tax band G; Band D in Test Valley costs £2,306 a year in 2026-27.
- Broadband: Gigabit broadband is available to 0% to 96% of premises.
- Transport: The nearest railway station is Winchester, about 10.5 km (6.5 miles) away in a straight line.
- Air: Background air pollution in 2024 was 4.7 µg/m³ of nitrogen dioxide and 5.7 of PM2.5, within UK legal limits.
- Height: Its addresses are 79 to 118 m above sea level.
- Noise: 1 of its 46 addresses is modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Stockbridge Surgery, about 3.1 km (1.9 miles) away.
- People: About 1,110 people lived in the census areas around it in 2021; 63% of households owned their home and 51% of adults held a degree or other higher qualification.
Sales on this street
| Year | Sales | Median price | Lowest | Highest |
|---|---|---|---|---|
| 2018 | 1 | £365,000 | £365,000 | £365,000 |
| 2007 | 2 | £1,237,500 | £225,000 | £2,250,000 |
| 1998 | 1 | £385,000 | £385,000 | £385,000 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 16 Mar 2018 | 2, SANDYDOWN COTTAGES SO20 6BY | Semi-detached | £365,000 | |
| 10 Jul 2007 | WOOLBURY SO20 6BY | Detached | £2,250,000 | |
| 27 Apr 2007 | 2, SANDYDOWN COTTAGES SO20 6BY | Semi-detached | £225,000 | |
| 5 Nov 1998 | WOOLBURY SO20 6BY | Detached | £385,000 |
Energy performance certificates
15 homes with a current certificate; median floor area 80 m². Most common: House, semi-detached (6); Bungalow, semi-detached (5); House, detached (3). Built: 1930-1949 (3); 1983-1990 (2); before 1900 (2). Tenure at assessment: rented (private) (6); owner-occupied (6).
Each home's certificates and sales (5 addresses)
Council tax
What each band costs in Test Valley in 2026-27: Band D £2,306 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,537 | £1,793 | £2,049 | £2,306 | £2,818 | £3,330 | £3,843 | £4,611 |
Homes by band in the neighbourhoods around this street: most are in band G (23% of about 2,830 homes).
Planning and heritage
- Conservation area: no postcode centre in this street's postcodes is in one.
- Listed buildings on or by this street: none.
- Article 4 direction (removing permitted development rights): none recorded, though not every council has published theirs.
- Tree preservation orders: none recorded, though not every council has published theirs.
- Green belt: no.
Roadworks
Finished in the last three months
- 21 October 2026: HAMPSHIRE COUNTY COUNCIL, Highway repair and maintenance works, road closure, on the carriageway (immediate - urgent works)
- 28 September 2026: HAMPSHIRE COUNTY COUNCIL, Highway repair and maintenance works, road closure, on the carriageway (immediate - urgent works)
Flood risk
No address in this street's postcodes is in an area at high, medium or low risk of flooding from rivers, the sea or surface water. The rest are in areas at very low risk: less than a 0.1% (1 in 1,000) chance a year.
Rivers and the sea alone: no home is in an area at risk.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. Very low: under 0.1%. The rivers and sea figures allow for flood defences. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: no postcode centre on this street is in flood zone 2 or 3.
Height above sea level
The street's 46 addresses are between 79 m and 118 m above sea level (102 m on average); the ground rises about 39 m from the lowest to the highest.
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| SO20 6BU | 96% | 96% | 96% | 5% |
| SO20 6BX | 0% | 0% | 0% | 100% |
| SO20 6BY | 0% | 0% | 0% | 100% |
| SO20 6BZ | 0% | 0% | 0% | 100% |
| SO20 6DE | 0% | 0% | 0% | 60% |
| SO20 6HP | 0% | 0% | 0% | 100% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Winchester 4.6 million journeys in 2024–25 | 10.5 km (6.5 miles) |
| Andover 1.1 million journeys in 2024–25 | 10.9 km (6.8 miles) | |
| Mottisfont and Dunbridge 29,000 journeys in 2024–25 | 11.7 km (7.3 miles) | |
| Bus stops | None within 800 m (0.5 miles) | |
| EV charging points | Gridserve Charging Station | 8.3 km (5.2 miles) |
| Airport with scheduled flights | Southampton Airport SOU | 19.7 km (12 miles) |
| Nearest large airport | London Heathrow Airport LHR | 79.2 km (49 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | Stockbridge Surgery | 3.1 km (1.9 miles) |
| Pharmacies | The Stockbridge Pharmacy | 3.4 km (2.1 miles) |
| NHS dentists | Stockbridge | 3.3 km (2.1 miles) |
| Hospital | Sarum Road Hospital | 9.8 km (6.1 miles) |
| Police station | Andover Police Station | 10 km (6.2 miles) |
| Cash machines | The Southern Co-Operative Stockbridge High Street, Stockbridge Cashzone | 3.2 km (2 miles) |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Playing field | Unnamed 2.9 ha | 2.2 km (1.3 miles) |
Landmarks
The nearest historic landmark is Woolbury Ring, Stockbridge, a scheduled monument, 760 m (0.5 miles) west. 5 listed buildings are within 1 km (0.6 miles).
| Name | What it is | From the middle of the street |
|---|---|---|
| Woolbury Ring, Stockbridge | Scheduled monument | 760 m (0.5 miles) west |
| Bowl barrow 350m south of Woolbury hillfort: one of a dispersed group of barrows on Stockbridge Down | Scheduled monument | 1 km (0.7 miles) south-west |
| Bowl barrow 270m SSW of Woolbury hillfort: one of a dispersed group of barrows on Stockbridge Down | Scheduled monument | 1.1 km (0.7 miles) south-west |
| Name | What it is | From the middle of the street |
|---|---|---|
| Letterbox Firs | Wood | 140 m north-east |
| Woolbury Ring | Hill | 800 m (0.5 miles) west |
| Swan Island | Island | 2.7 km (1.7 miles) west |
| Testside Lakes | Lake or reservoir | 2.9 km (1.8 miles) north-west |
| Common Marsh | Wetland | 3.8 km (2.4 miles) south-west |
| Hooper's Bottom | Valley | 4.8 km (3 miles) south-west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 4.7 | 40 | 10 |
| Fine particles (PM2.5) | 5.7 | 20 | 5 |
| Particles (PM10) | 10.4 | 40 | 15 |
All three are within the UK legal limits; PM2.5 is above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| 70 to 74 | 1 | 0 |
| Under 55 | 45 | 46 |
1 of the street's 46 addresses is modelled at 55 dB or more from road traffic, above the WHO guidelines.
Climate, daylight and earthquakes
Monthly temperatures and rainfall, sunrise and sunset through the year, and earthquakes recorded nearby since 1970 are much the same across the area, so they are worked out once for Test Valley: see them on the Test Valley page.
Nearest schools
No open schools within 2 km (1.2 miles).
Food hygiene ratings nearby
No rated food businesses within 500 m (0.3 miles).
Crime within 250 m
No crimes recorded at anonymised points within 250 m in this period (hampshire).
People and work
Who lives here
| Around this street | England | |
|---|---|---|
| Median age | 49 | 40 |
| Children under 15 | 17% | 17% |
| Aged 65 and over | 24% | 18% |
Homes
| Around this street | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 63% | 61% |
| Owned outright | 39% | 33% |
| Shared ownership | under 1% | 1% |
| Social rented | 4% | 17% |
| Private rented | 33% | 21% |
Work and commuting
| Around this street | England | |
|---|---|---|
| Adults (16 and over) in work | 58% | 57% |
| Unemployment (of those working or looking for work) | 3% | 6% |
| Retired (of adults) | 26% | 22% |
| Long-term sick or disabled (of adults) | 1% | 4% |
| Work mainly from home (of those in work) | 52% | 32% |
| Travel to work by car or van | 41% | 48% |
| By train, Underground, metro or tram | under 1% | 4% |
| By any public transport, including bus | 1% | 8% |
| On foot or by bicycle | 4% | 10% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 33% | 65% |
| Work 30 km (19 miles) or more away | 14% | 8% |
Education and languages
| Around this street | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 51% | 34% |
| No qualifications | 10% | 18% |
| Apprenticeship as highest qualification | 3% | 5% |
| Main language English (aged 3 and over) | 98% | 91% |
| Cannot speak English well or at all | under 1% | 2% |
Deprivation
The 3 neighbourhoods around this street are in deciles 7 to 8 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived tenth of England's 33,755 neighbourhoods and 10 the least.
What has changed
- Roadworks Street works permit: HAMPSHIRE COUNTY COUNCIL: Highway repair and maintenance works, 21 October 2026 to 23 October 2026 (road closure) found 3 November 2026
- Roadworks Street works permit: HAMPSHIRE COUNTY COUNCIL: Highway repair and maintenance works, 26 October 2026 (road closure) found 3 November 2026
- Roadworks Street works permit: HAMPSHIRE COUNTY COUNCIL: Highway repair and maintenance works, 21 October 2026 (road closure) found 3 November 2026
Postcodes on this street
- SO20 6BY: 30 addresses of 33 in the postcode
- SO20 6BX: 10 addresses
- SO20 6DE: 2 addresses of 20 in the postcode
- SO20 6HP: 2 addresses of 4 in the postcode
- SO20 6BU: 1 address of 33 in the postcode
- SO20 6BZ: 1 address of 7 in the postcode
All the streets in SO20 and across Test Valley.
What this page cannot tell you
- Whether a particular house is at risk of flooding, subsiding or anything else: the flood map is a model of areas and there is no property-level data here.
- What a home is worth now: sales are historic prices for the homes that happened to sell.
- How safe the street is: crime points are moved to anonymised locations and many crimes are never reported.
- Whether you would get a place at a school: distances are straight lines, not catchments.
- Who lives on the street now: census figures describe the small areas around it in March 2021, during a lockdown.
- How long a journey takes or how often anything runs: transport distances are straight lines to the nearest stops.
- Whether a GP practice is taking new patients, or a dentist new NHS patients.
- How loud a home is inside, or noise from industry, neighbours or smaller airfields: noise figures are models of road, rail and air traffic outside.
How each figure on this page is matched to the street and worked out: methodology.