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Sleaford

Town

Town in North Kesteven, East Midlands.

Sleaford is an ONS built-up area: the land built up as one town, whatever council it is in. Figures for Sleaford add up the census output areas (or, for claimants, the neighbourhoods) that sit mostly inside it, so they are close to, but not exactly, the town’s own.

Open in map

Radon Affected Area by town

Worked out by Open Index · 2022

Under 1%90% or more

About 87% of people in Sleaford live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£218,250
310th cheapest of 1,092
Worked out by Open Index
Population
18,028
592nd most populated of 1,209
ONS Census 2021 · 2021
People in radon Affected Area squares
87%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
94.2%
UK 87.8%
Ofcom · Jan 2026

How Sleaford compares

Each dot is a town. The black line marks the middle one.

SleafordMiddle
Median sale price105 towns, East Midlands · 2025
Median sale price: every town in East Midlands105 areas from £150,000 to £399,000. The middle area is £237,500. Sleaford is £218,250.
£218,25039th cheapest
Population105 towns, East Midlands · 2021
Population: every town in East Midlands105 areas from 7,633 to 406,612. The middle area is 16,271. Sleaford is 18,028.
18,02848th most populated
People in radon Affected Area squares105 towns, East Midlands · 2022
People in radon Affected Area squares: every town in East Midlands105 areas from 0.0% to 100.0%. The middle area is 60.0%. Sleaford is 87.0%.
87%joint 36th most people in radon Affected Areas
Gigabit broadband coverage105 towns, East Midlands · Jan 2026
Gigabit broadband coverage: every town in East Midlands105 areas from 58.9% to 99.5%. The middle area is 95.9%. Sleaford is 94.2%.
94.2%joint 32nd lowest

Is Sleaford safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Sleaford at a rate of 85.8 per 1,000 people.

That compares with 93.5 per 1,000 people across East Midlands.

Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.

In August 2026 alone, 163 cases of crime and anti-social behaviour were recorded in Sleaford.

In the 12 months to August 2026, the most common types were violence and sexual offences (593), anti-social behaviour (343) and other crime (252).

A year earlier, the recorded crime rate in Sleaford was 94.3 per 1,000 people.

Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

Deprivation in Sleaford, neighbourhood by neighbourhood

  • Deprivation is ranked by neighbourhood, so Sleaford has no single figure. Of its 10 neighbourhoods with a rank:
  • Decile 2: 1 neighbourhood
  • Decile 3: 1 neighbourhood
  • Decile 4: 1 neighbourhood
  • Decile 5: 1 neighbourhood
  • Decile 6: 1 neighbourhood
  • Decile 7: 2 neighbourhoods
  • Decile 8: 1 neighbourhood
  • Decile 10 (England’s least deprived 10%): 2 neighbourhoods

English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

Neighbourhoods in Sleaford

NamePeople (census)Recorded crime per 1,000Deprivation decileGigabit broadband
North Kesteven 010A1,553263.4 per 1,000371.6%
North Kesteven 010B1,81378.9 per 1,000492.6%
North Kesteven 010C2,69374.1 per 1,000897.8%
North Kesteven 010D2,110119.2 per 1,000592.0%
North Kesteven 010E1,666213.9 per 1,000294.3%
North Kesteven 011A1,73545.1 per 1,0007100.0%
North Kesteven 011B1,89664.8 per 1,000798.3%
North Kesteven 011C1,70713.2 per 1,00010100.0%
North Kesteven 011E1,14467.9 per 1,000688.9%
North Kesteven 011G1,50321.7 per 1,0001098.9%

Your MP

As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

Council1

Postcode districts covering Sleaford1

Middle areas in Sleaford2

Towns near Sleaford6

Sleaford in brief

Sleaford is a town in North Kesteven, East Midlands.

About 18,923 people lived in Sleaford in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £218,250 in 2025 across 352 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 85.8 per 1,000 people in the 12 months to August 2026 (police.uk).

The median price paid for a home in Sleaford was £218,250 in 2025.

Sleaford had 18,028 usual residents at the census.

About 87% of people in Sleaford live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Sleaford, 94.2% of homes and businesses could get gigabit-capable broadband in January 2026.