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Mareham, Sibsey & New Leake

Middle area

The south of the East Lindsey. 8,658 people (mid-2024 estimate) in 230 square kilometres.

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Radon Affected Area by middle area

Worked out by Open Index · 2022

Under 1%90% or more

About 0% of people in Mareham, Sibsey & New Leake live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£250,000
Joint 2,668th cheapest of 7,259
Worked out by Open Index
Population
8,477
Joint 2,768th most populated of 9,448
ONS Census 2021 · 2021
People in radon Affected Area squares
0%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
38.4%
UK 87.8%
Ofcom · Jan 2026

Recorded crime in Mareham, Sibsey & New Leake

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Mareham, Sibsey & New Leake at a rate of 44.0 per 1,000 people.

That compares with 97.4 per 1,000 people across East Lindsey.

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

Recorded by police, 12 months to August 2026
Kind of crimeRecorded
Violence and sexual offences164
Anti-social behaviour69
Other crime64
Criminal damage and arson38
Burglary24
Vehicle crime20
Drug offences2
Robbery0
Shoplifting0
Theft from the person0

Source: police.uk, 12 months to August 2026

How Mareham, Sibsey & New Leake compares

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

Mareham, Sibsey & New LeakeMiddle
Median sale price18 middle areas, East Lindsey · 2025
Median sale price: every middle area in East Lindsey18 areas from £150,000 to £275,000. The middle area is £217,698. Mareham, Sibsey & New Leake is £250,000.
£250,0003rd most expensive
Population18 middle areas, East Lindsey · 2021
Population: every middle area in East Lindsey18 areas from 5,556 to 11,947. The middle area is 7,663. Mareham, Sibsey & New Leake is 8,477.
8,4775th most populated
People in radon Affected Area squares18 middle areas, East Lindsey · 2022
People in radon Affected Area squares: every middle area in East Lindsey18 areas from 0.0% to 100.0%. The middle area is 22.5%. Mareham, Sibsey & New Leake is 0.0%.
0%joint fewest people in radon Affected Areas
Gigabit broadband coverage18 middle areas, East Lindsey · Jan 2026
Gigabit broadband coverage: every middle area in East Lindsey18 areas from 25.6% to 95.6%. The middle area is 69.5%. Mareham, Sibsey & New Leake is 38.4%.
38.4%4th lowest

Is Mareham, Sibsey & New Leake safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Mareham, Sibsey & New Leake at a rate of 44.0 per 1,000 people.

That compares with 97.4 per 1,000 people across East Lindsey.

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

In August 2026 alone, 35 cases of crime and anti-social behaviour were recorded in Mareham, Sibsey & New Leake.

In the 12 months to August 2026, the most common types were violence and sexual offences (164), anti-social behaviour (69) and other crime (64).

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.

Figures for the whole of East Lindsey

These figures are published for the whole of East Lindsey, not for each middle area, so they describe all of East Lindsey and not Mareham, Sibsey & New Leake alone. See East Lindsey

Average house price
£208,075
Down 0.9% in a year
HM Land Registry · Aug 2026
Median full-time pay
£31,516
6th lowest paid of 348
ONS earnings survey · 2025
House price to pay
6.6×
Joint 136th most affordable of 348
Worked out by Open Index
Deprivation score
30.4
36th most deprived of 296
MHCLG · England only
Mareham, Sibsey & New Leake in brief

The median price paid for a home in Mareham, Sibsey & New Leake was £250,000 in 2025.

Mareham, Sibsey & New Leake had 8,477 usual residents at the census.

About 0% of people in Mareham, Sibsey & New Leake live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Mareham, Sibsey & New Leake, 38.4% of homes and businesses could get gigabit-capable broadband in January 2026.