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Kemsing

Ward

North east Sevenoaks. About 4,314 people in 9.0 square kilometres.

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Radon Affected Area by ward

Worked out by Open Index · 2022

Under 1%90% or more

About 88% of people in Kemsing live in a 1 km square that the radon atlas marks as a radon Affected Area.

Population
4,324
2,177th least populated of 8,397
ONS Census 2021 · 2021
People in radon Affected Area squares
88%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
93.8%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
1.5%
UK 3.9%
ONS via Nomis · Aug 2026

How Kemsing compares

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

KemsingMiddle
Population26 wards, Sevenoaks · 2021
Population: every ward in Sevenoaks26 areas from 1,864 to 7,039. The middle area is 4,656. Kemsing is 4,324.
4,32410th least populated
People in radon Affected Area squares26 wards, Sevenoaks · 2022
People in radon Affected Area squares: every ward in Sevenoaks26 areas from 0.0% to 100.0%. The middle area is 97.0%. Kemsing is 88.0%.
88%11th fewest people in radon Affected Areas
Gigabit broadband coverage26 wards, Sevenoaks · Jan 2026
Gigabit broadband coverage: every ward in Sevenoaks26 areas from 12.0% to 96.7%. The middle area is 85.0%. Kemsing is 93.8%.
93.8%2nd highest
Claimant rate26 wards, Sevenoaks · Aug 2026
Claimant rate: every ward in Sevenoaks26 areas from 1.0% to 4.2%. The middle area is 2.0%. Kemsing is 1.5%.
1.5%joint 3rd lowest

Is Kemsing safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Kemsing at a rate of 29.0 per 1,000 people.

That compares with 62.5 per 1,000 people across Sevenoaks.

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

In August 2026 alone, 11 cases of crime and anti-social behaviour were recorded in Kemsing.

In the 12 months to August 2026, the most common types were violence and sexual offences (51), anti-social behaviour (30) and other crime (25).

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 Sevenoaks

These figures are published for the whole of Sevenoaks, not for each ward, so they describe all of Sevenoaks and not Kemsing alone. See Sevenoaks

Average house price
£538,714
Up 1.0% in a year
HM Land Registry · Jul 2026
Median full-time pay
£44,581
55th highest paid of 348
ONS earnings survey · 2025
House price to pay
12.1×
Joint 20th least affordable of 348
Worked out by Open Index
Deprivation score
14.4
Joint 86th least deprived of 296
MHCLG · England only
Kemsing in brief

Kemsing had 4,324 usual residents at the census.

About 88% of people in Kemsing live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Kemsing, 93.8% of homes and businesses could get gigabit-capable broadband in January 2026.

In Kemsing, 1.5% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.