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Blackwater

Blackwater is one of 20 wards in Test Valley, home to 6,424 people in 2,622 households (Census 2021). Homes sold for a median of £637,500 over the past two years, 75% above the Test Valley median. On average 68% of the land within 500 metres of a home postcode is green space — 94% above the Test Valley average.

Ward E05012093 · 190 postcodes · Updated 24 October 2026
6,424residentsCensus 2021
£638kmedian sale price134 sales, 24 months
68%green within 500 mpostcode average
28%gigabit broadbandaverage of postcodes
Blackwater in Test ValleyPostcodes in Blackwater highlighted; the rest of Test Valley in grey
Map of Test Valley with Blackwater highlighted

People and homes.

6,424 residents in 2,622 households, next to the Test Valley average.

12%
aged 15–29
29%
aged 65 and over
81%
owner-occupied homes
13%
privately rented
6%
socially rented
5%
flats in purpose-built blocks

Source: Census 2021, Office for National Statistics

Prices.

Quarterly median of standard sales in Blackwater and Test Valley.

BlackwaterTest Valley
£231k£442k£652k£863k2024 Q12024 Q22024 Q32024 Q42025 Q12025 Q22025 Q32025 Q42026 Q12026 Q22026 Q3
£231k£442k£652k£863k2024 Q12025 Q12026 Q12026 Q3

Source: HM Land Registry Price Paid Data, sales to 28 Aug 2026

Safety.

Police recorded 349 crimes and incidents in Blackwater in the 12 months to Aug 2026: 54 per 1,000 residents, against 63 across Test Valley.

Last 12 monthsPrevious 12 months
02141Sept 2024Nov 2024Jan 2025Mar 2025May 2025Jul 2025Sept 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026
02141Sept 2024Mar 2025Sept 2025Mar 2026

Police.uk records crimes by approximate location, not by where victims or offenders live. Busy streets, shops, stations and nightlife record more. Figures are counts, not a measure of personal risk. Rates per resident are higher wherever many people visit but few live, such as city centres.

Source: data.police.uk street-level crime, Hampshire and Isle of Wight Constabulary (Open Government Licence v3.0)

Food hygiene.

Food businesses in Blackwater with a published hygiene rating.

37rated food businessesin total
95%rated good or very good (4 or 5)Test Valley: 95%
0rated 2 or belowlatest inspection

Council food safety officers rate businesses from 0 (urgent improvement necessary) to 5 (very good) for hygiene, the state of the premises and how food safety is managed. A rating reflects the standards found on the day of inspection, not the quality of the food.

Source: Food Standards Agency, food hygiene rating data as of 26 October 2026 (Open Government Licence)