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St Mark's & Seething Wells

Ward

North west Kingston upon Thames. About 12,298 people in 1.8 square kilometres.

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Gigabit coverage by ward

Connected Nations (Ofcom) · January 2026

Under 60%98% or more

In St Mark's & Seething Wells, 85.0% of homes and businesses could get gigabit-capable broadband in January 2026.

Population
11,804
1,674th highest of 8,397
ONS Census 2021 · 2021
Gigabit broadband coverage
85.0%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
3.2%
UK 3.9%
ONS via Nomis · Aug 2026
Aged 15 to 64
76.1%
264th highest of 8,397
ONS Census 2021 · 2021

How St Mark's & Seething Wells compares

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

St Mark's & Seething WellsMiddle
Population19 wards, Kingston upon Thames · 2021
Population: every ward in Kingston upon Thames19 areas from 5,607 to 11,804. The middle area is 9,484. St Mark's & Seething Wells is 11,804.
11,804highest
Gigabit broadband coverage19 wards, Kingston upon Thames · Jan 2026
Gigabit broadband coverage: every ward in Kingston upon Thames19 areas from 80.1% to 99.1%. The middle area is 93.4%. St Mark's & Seething Wells is 85.0%.
85.0%3rd lowest
Claimant rate19 wards, Kingston upon Thames · Aug 2026
Claimant rate: every ward in Kingston upon Thames19 areas from 1.5% to 4.8%. The middle area is 3.1%. St Mark's & Seething Wells is 3.2%.
3.2%8th highest
Aged 15 to 6419 wards, Kingston upon Thames · 2021
Aged 15 to 64: every ward in Kingston upon Thames19 areas from 61.6% to 76.9%. The middle area is 65.3%. St Mark's & Seething Wells is 76.1%.
76.1%2nd highest

Figures for the whole of Kingston upon Thames

These figures are published for the whole of Kingston upon Thames, not for each ward, so they describe all of Kingston upon Thames and not St Mark's & Seething Wells alone. See Kingston upon Thames

Average house price
£591,555
Up 3.3% in a year
HM Land Registry · Jul 2026
Median full-time pay
£46,871
32nd highest of 348
ONS earnings survey · 2025
House price to pay
12.6×
15th least affordable of 348
Worked out by Open Index
Deprivation score
11.1
37th least deprived of 296
MHCLG · England only
St Mark's & Seething Wells in brief

St Mark's & Seething Wells had 11,804 usual residents at the census.

In St Mark's & Seething Wells, 85.0% of homes and businesses could get gigabit-capable broadband in January 2026.

In St Mark's & Seething Wells, 3.2% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.

76.1% of residents in St Mark's & Seething Wells were aged 15 to 64 at the census.