Living in Blackwater (Hart)

In Blackwater (Hart), unemployment is 2.9% (2023).

Blackwater (Hart), a city in the United Kingdom, had a population of 7,170 in March 2021. For Blackwater (Hart), annual NO₂ was 8.48 µg/m³ in 2025. The city covered 1.4 km² in December 2022. Population density was 4,957.5 people per km² in 2021. Gigabit broadband availability was 95.7%. The employment rate was 61.9% in March 2021. Owner occupation accounted for 84.3% of homes in March 2021.

Last checked 2026-09-2415 sources

Population7,170people21 Mar 2021Official source · Census 2021 usual resident population count for the exact Built Up Area (BUA), England excluding London or Wales.

Median gross salary (region)4,693EUR/month31 Dec 2025Official source · ONS ASHE Table 8.1a — Weekly pay - Gross (£), full-time employee jobs by local authority of residence, 2025 provisional

Average rent1,652EUR/month31 Aug 2026District figureOfficial source · ONS Price Index of Private Rents, UK: monthly price statistics, Table 1, Rental price

Unemployment rate2.9%country median 3.4% — 15% belowOfficial source · www.ons.gov.uk

PM2.5, annual mean7.39µg/m³country median 6.5 — 14% aboveOfficial source · official estimated total annual mean background concentration

Lower unemployment than 76% of United Kingdom cities that publish it and dirtier air than 91% of United Kingdom cities that publish it.

Which United Kingdom-wide rules apply when you move to Blackwater (Hart)?

National rules stay on the country page instead of being relabelled as city data.

Visa and entry rulesPassport-specific entry and national residence context.BenefitsCountry-wide eligibility and official application routes.Taxes in United KingdomNational rates and thresholds that apply in Blackwater (Hart).Healthcare eligibilityCountry-wide insurance and residence conditions.

Housing and cost

No city-level rent figure is published for Blackwater (Hart). The available city-level cost figures remain below.

What recurs every month2 published recurring costs, € per month

€ / month

Internet, 60 Mbps€24

Mobile plan, 10 GB€13

Metric	Value	Period	Source
Internet, 60 Mbps unlimited	24.02 EUR/month	30 Sept 2026	BT Full Fibre 150¹Official · national market
Mobile plan, 10 GB	12.87 EUR/month	30 Sept 2026	Three 100GB one-month data pack¹³Official · national market
Dwellings	2,735 count	21 Mar 2021	ONS Census 2021 BUA row and ONS/OS BUA 2022 geometry for Abbots Langley and Kings Langley⁵Official source, approximated value · Supplemental context · built-up-area figure
Average monthly rent (whole dwelling)	1,652 EUR/month	31 Aug 2026	ONS Price Index of Private Rents, UK: monthly price statistics, Table 1, Rental price¹²Official · county

Is Blackwater (Hart) a good place to live?

There is no universal answer. The profile scores below show who the available published evidence may suit; they are a decision aid, not a personal recommendation.

Try your profile

Remote worker39%strong on work, weak on safety · range 28–50%

Skilled employee48%strong on work, weak on safety · range 37–59%

Student32%strong on legal route, weak on safety · range 20–44%

Family59%strong on family, weak on safety · range 47–71%

Retirement35%strong on air quality, weak on admin · range 22–48%

Work and income

What is the unemployment rate in Blackwater (Hart)?

The unemployment rate is 2.9 % (January 2023). Source: www.ons.gov.uk¹⁴

Unemployment across cities in United KingdomUnemployment in Blackwater (Hart) is 2.9%. Of 999 cities with data, 652 have unemployment of 2 to under 4%.

652

263

0–22–44–66–88–1010–1216–18

Blackwater (Hart) 2.9%

Unemployment rate (%)

Metric	Value	Period	Source
Gigabit broadband availability	95.68 %	Not stated	www.ofcom.org.uk¹⁵Supplemental estimate · Supplemental context
Employment rate	61.95 %	21 Mar 2021	ONS Census 2021 towns and cities dataset Figure 9 individual BUA employment row for Abbots Langley and Kings Langley¹¹Official source, approximated value · Supplemental context · built-up-area figure
Superfast broadband availability	99.86 %	Not stated	www.ofcom.org.uk¹⁵Supplemental estimate · Supplemental context
Median gross salary (regional)	4,693 EUR/month	31 Dec 2025	ONS ASHE Table 8.1a — Weekly pay - Gross (£), full-time employee jobs by local authority of residence, 2025 provisional¹⁰Official · county
Unemployment rate	2.9 %country median 3.4%	31 Dec 2023	www.ons.gov.uk¹⁴Official

What does a salary buy in Blackwater (Hart)?

Take-home pay after tax, minus rent and the everyday bills this city publishes. Each line names its source.

Left over each month€2,031of €3,719 take-home

Rent
Internet
Mobile
Left over

Line-by-line breakdown and sources

Each month	€
Take-home payOECD Taxing Wages 2025, single, no children. Includes central and local income tax and employee social contributions; euro amounts at the ECB average for 2026-08.	€3,719
Rentaverage rent of a whole dwelling · official · ONS Price Index of Private Rents, UK: monthly price statistics, Table 1, Rental price · 2026-08-31	− €1,652
Internet€24 · official · BT Full Fibre 150 · 2026-09-30	− €24
Mobile plan€13 · official · Three 100GB one-month data pack · 2026-09-30	− €13
Other everyday billsnot published for this city: public transport pass, utilities	—
Left overbefore the bills this city does not publish	€2,031

Take-home pay for other salaries and households Compare with another city Check a job offer in Blackwater (Hart) Salary needed to live in Blackwater (Hart)

Public employment service

No exact public employment office is currently linked to Blackwater (Hart). The verified national service may still offer online registration, job search or an official office finder.

Country-level information

Jobcentre Plus — Public employment service

Department for Work and Pensions

Job SearchUnemployment Claim

Open official service

Open the United Kingdom service overview

Country-level service information is not treated as proof of a physical office in Blackwater (Hart). Sources checked through 10 Aug 2026.

Family and education

Metric	Value	Period	Source
Schools	2 count	7 Jul 2026	DfE Get Information About Schools all establishments extract³Official source, approximated value · Supplemental context · built-up-area figure

School for children who move here. School is compulsory from age 5 to 16, and public school is free.

A country-wide rule for United Kingdom; Blackwater (Hart)'s school authority applies it locally.

Sources: legislation.gov.uk · 1996–2026.

Healthcare

Metric	Value	Period	Source
GP practices	1 count	7 Jul 2026	NHS ODS GP Practices report + ONSPD Live postcode coordinates⁶Official source, approximated value · Supplemental context · built-up-area figure

Yes — migrants can receive medical care in Blackwater (Hart) under the national coverage rules.

Healthcare access follows the country-wide insurance rules; local capacity facts remain city data and are not used as proof of eligibility.

Open the official coverage guide

Country rule verified 2026-08-03.

Safety

Recorded crime across major citiesBlackwater (Hart) highlighted among comparable cities

recorded incidents per 100k residents

Manchester14,267

Bristol13,099

Liverpool12,409

Leeds11,462

Birmingham11,416

Leicester11,001

Sheffield9,693

Cardiff9,379

Belfast9,156

Coventry8,836

Glasgow757

Edinburgh549

Metric	Value	Period	Source
Violent crime per 100,000 residents	2,232 per 100,000	Apr 2026	data.police.uk all-crime polygon replay, filtered to Burglary²Official source, approximated value · Supplemental context · built-up-area figure
Burglary per 100,000 residents	69.74 per 100,000	30 Apr 2026	data.police.uk all-crime polygon replay, filtered to Burglary²Official source, approximated value · Supplemental context · built-up-area figure

Climate and air quality

Annual PM2.5 was 7.39 µg/m³ in 2025. Annual PM10 was 11.5 µg/m³ in 2025.

Is the air quality good in Blackwater (Hart)?

The annual PM2.5 mean is about 7.4 µg/m³ (2025) — above the WHO 2021 guideline of 5 µg/m³ but within the EU limit of 25 µg/m³.

Annual mean at the measuring site(s) serving the city; current-day readings differ.

PM2.5 — annual mean: 7.39 µg/m³ · official estimated total annual mean background concentration⁹

Air quality vs health guidelinesAnnual means against WHO 2021 guidelines and EU legal limits

Within WHO 2021 guidelineAbove WHO, within EU limitAbove EU legal limitCity annual mean · µg/m³

PM2.57.4WHO 5 · EU 25

PM1011.5WHO 15 · EU 40

NO₂8.5WHO 10 · EU 40

City values from the published air-quality observations. WHO 2021 guidelines and EU limit values are published constants.

PM2.5 across cities in United KingdomAnnual PM2.5 in Blackwater (Hart) is 7.4 µg/m³. Of 941 cities with data, 487 have annual PM2.5 of 6 to under 7 µg/m³.

211

487

200

3–44–55–66–77–88–99–1013–14

Blackwater (Hart) 7.4

Annual PM2.5 (µg/m³)

Metric	Value	Period	Source
NO₂ — annual mean	8.48 µg/m³country median 7.2	2025	official estimated total annual mean background concentration⁷Official
PM10 — annual mean	11.49 µg/m³country median 11.3 — about the same	2025	official estimated total annual mean background concentration⁸Official
PM2.5 — annual mean	7.39 µg/m³country median 6.5	2025	official estimated total annual mean background concentration⁹Official

Population and city profile

How many people live in Blackwater (Hart)?

The published population was 7,170 people in March 2021. Source: Census 2021 usual resident population count for the exact Built Up Area (BUA), England excluding London or Wales.⁵

Who lives hereResidents by nationality, % of population

By nationality

National passport87%
Foreign residents13%

Calculated from the population and foreign-resident facts on this page.

Metric	Value	Period	Source
Area	1.45 km²	Dec 2022	ONS Census 2021 BUA row and ONS/OS BUA 2022 geometry for Abbots Langley and Kings Langley⁵Official source, approximated value · Supplemental context · built-up-area figure
City area	1.45 km²	Dec 2022	Exact 2022 Built Up Area polygon area for BUA22CD in EPSG:27700, converted from square metres to km2.⁴Official
Foreign residents	935 people	21 Mar 2021	Exact BUA non-UK-born population derived as the sum of the published Europe: EU countries and Non-EU countries (including British Overseas) counts.⁵Official
GP practices per 10,000 residents	1.39 per 10,000 people	7 Jul 2026	NHS ODS GP Practices report + ONSPD Live postcode coordinates⁶Official source, approximated value · Supplemental context · built-up-area figure
Schools per 10,000 residents	2.79 per 10,000 people	7 Jul 2026	DfE Get Information About Schools all establishments extract³Official source, approximated value · Supplemental context · built-up-area figure
Population density	4,957 people/km²	21 Mar 2021	www.ons.gov.uk⁵Official · built-up-area figure
Population	7,170 people	21 Mar 2021	Census 2021 usual resident population count for the exact Built Up Area (BUA), England excluding London or Wales.⁵Official

Additional context

Metric	Value	Period	Source
Owner-occupied homes	84.28 %	21 Mar 2021	ONS Census 2021 BUA row and ONS/OS BUA 2022 geometry for Abbots Langley and Kings Langley⁵Official source, approximated value · Supplemental context · built-up-area figure
Residents born abroad	13 %	21 Mar 2021	ONS Census 2021 BUA row and ONS/OS BUA 2022 geometry for Abbots Langley and Kings Langley⁵Official source, approximated value · Supplemental context · built-up-area figure
Median age	44 years	21 Mar 2021	ONS Census 2021 BUA row and ONS/OS BUA 2022 geometry for Abbots Langley and Kings Langley⁵Official source, approximated value · Supplemental context · built-up-area figure

Alternatives for people set on Blackwater (Hart)

Nothing here reaches an argued comparison yet: no other published city shares enough metrics with Blackwater (Hart) from the same source, period and grain. What is collected is below.

Alternative cities in United Kingdom

Other cities in United Kingdom to compare with Blackwater (Hart), nearest in population first.

All United Kingdom cities

Bourne End7,170 residents Kilbirnie7,170 residents Borrowash7,165 residents Malmesbury7,180 residents Torpoint7,160 residents Aylsham7,185 residents

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Common questions

Answered from the published values on this page, each with its source and date.

How many people live in Blackwater (Hart)?

The published population was 7,170 people in March 2021. Source: Census 2021 usual resident population count for the exact Built Up Area (BUA), England excluding London or Wales..

Is the air quality good in Blackwater (Hart)?

The annual PM2.5 mean is about 7.4 µg/m³ (2025) — above the WHO 2021 guideline of 5 µg/m³ but within the EU limit of 25 µg/m³. Source: official estimated total annual mean background concentration.

What is the unemployment rate in Blackwater (Hart)?

The unemployment rate is 2.9 % (January 2023). Source: www.ons.gov.uk.

What is the typical salary around Blackwater (Hart)?

The median gross salary is 4,693 EUR/month. Source: ONS ASHE Table 8.1a — Weekly pay - Gross (£), full-time employee jobs by local authority of residence, 2025 provisional.

How many foreign residents live in Blackwater (Hart)?

935 residents hold a foreign nationality. Source: Exact BUA non-UK-born population derived as the sum of the published Europe: EU countries and Non-EU countries (including British Overseas) counts..

Is Blackwater (Hart) a good place to live?

Blackwater (Hart) may suit different people for different reasons. The page's profile scores compare published cost, work, housing, safety, healthcare and other available factors; they are a decision aid, not a universal recommendation.

Cite this page

Open a format to select or copy this ImmigrationDB compilation citation. The native disclosure and text fallback work without JavaScript.

APA citation

ImmigrationDB. (2026, October 16). Blackwater (Hart), United Kingdom: population, rent, salary [ImmigrationDB compilation; version c2e5957105aa5c4d088a99e2d2fb248b]. ImmigrationDB. https://immigrationdb.com/cities/uk/blackwater-hart/ Retrieved 2026-10-16. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/

BibTeX citation

@misc{immigrationdb_immigrationdb_blackwater-hart-united-kingdom-population-rent-salary_c08b985b9857,
  author = {ImmigrationDB},
  title = {Blackwater (Hart), United Kingdom: population, rent, salary},
  publisher = {ImmigrationDB},
  year = {2026},
  date = {2026-10-16},
  version = {c2e5957105aa5c4d088a99e2d2fb248b},
  url = {https://immigrationdb.com/cities/uk/blackwater-hart/},
  note = {Retrieved 2026-10-16. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}

Markdown citation

[Blackwater (Hart), United Kingdom: population, rent, salary](https://immigrationdb.com/cities/uk/blackwater-hart/) — ImmigrationDB; ImmigrationDB; version c2e5957105aa5c4d088a99e2d2fb248b; retrieved 2026-10-16; built 2026-10-16.

This citation identifies the ImmigrationDB compilation/page. Underlying source publishers and datasets retain their own terms; inspect the Sources section and cite those records separately. View the underlying source records.

Sources

JSON Markdown

BT Full Fibre 150 bt.com · checked 2026-09-15
data.police.uk all-crime polygon replay, filtered to Burglary data.police.uk · checked 2026-07-07
DfE Get Information About Schools all establishments extract get-information-schools.service.gov.uk · checked 2026-07-07
Exact 2022 Built Up Area polygon area for BUA22CD in EPSG:27700, converted from square metres to km2. services1.arcgis.com · checked 2026-07-15
Exact BUA non-UK-born population derived as the sum of the published Europe: EU countries and Non-EU countries (including British Overseas) counts. ons.gov.uk · checked 2021-03-21
NHS ODS GP Practices report + ONSPD Live postcode coordinates digital.nhs.uk · checked 2026-07-07
official estimated total annual mean background concentration uk-air.defra.gov.uk · checked 2026-07-15
official estimated total annual mean background concentration uk-air.defra.gov.uk · checked 2026-07-15
official estimated total annual mean background concentration uk-air.defra.gov.uk · checked 2026-07-15
ONS ASHE Table 8.1a — Weekly pay - Gross (£), full-time employee jobs by local authority of residence, 2025 provisional ONS ASHE Table 8.1a · ons.gov.uk · checked 2026-09-24

Show 5 more sources

ONS Census 2021 towns and cities dataset Figure 9 individual BUA employment row for Abbots Langley and Kings Langley ons.gov.uk · checked 2026-07-05
ONS Price Index of Private Rents, UK: monthly price statistics, Table 1, Rental price ons.gov.uk · checked 2026-09-24
Three 100GB one-month data pack three.co.uk · checked 2026-09-15
www.ons.gov.uk ons.gov.uk · checked 2026-08-26
www.ofcom.org.uk ofcom.org.uk · checked 2026-07-15

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