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St Mark's & Seething Wells

Interactive map displaying St Mark's & Seething Wells

About

St Mark's & Seething Wells is a residential ward located along the Thames in southwest London. The area is characterised by its mix of Edwardian and Victorian terraced housing, alongside modern apartment developments. Its western boundary is defined by the Hogsmill River, which flows into the Thames. The ward includes the largely industrial area of Thames Side, containing waste transfer stations and a water treatment works.

A distinctive feature is the historic Seething Wells waterworks, with its preserved filter beds now forming a secluded, biodiverse sanctuary for wildlife. The Thames Path national trail runs through the ward, providing public access to the riverfront. Surbiton Lagoon, a popular open-air swimming pool, is a key local leisure facility situated near the waterfront.

Area overview

On average St Mark's & Seething Wells has moderate deprivation and moderate crime levels, with around 85 crimes per 1,000 residents per year. Approximately 6.4% of homes in this area are social housing provided by a local council or housing association. The average income per household in St Mark's & Seething Wells is £86,564 per year. There are 3 schools in St Mark's & Seething Wells: 2 primary (1 Outstanding and 1 Good) and 1 secondary (0 Outstanding and 1 Good). On average most houses in area has average public transport connectivity. St Mark's & Seething Wells is home to around 11,809 people, with a population density of about 6,506.3 per km2.

Crime rate
4/10
Crimes per 1k residents
85
Deprivation level
3/10
Income level
8/10
Social housing
6.4%
Connectivity
6/10

Area Profile

St Mark's & Seething Wells Population
11,809
Population density
6,506.3 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
32.6(+7%)
Anti-social behaviour
26.34(-1%)
Other theft
11.09(-5%)
Vehicle crime
8.21(-15%)
Public order
7.62(+14%)
London average

Demographics

Ethnic groups

British
6,780
57.41%
Other White
1,933
16.37%
Other Asian
463
3.92%
Indian
435
3.68%
Other
320
2.71%
Total population: 11,810

Economics

Education (age 16+)

Level 4 qualifications or above
6,323
62.11%
Level 3 (A level)
1,696
16.66%
No qualifications
700
6.88%
Level 2 (GCSEs 9-4)
693
6.81%
Level 1 (GCSEs 3-1)
378
3.71%
Total 16+ residents: 10,181

Housing

Housing tenure

Private landlord or letting agency
2,157
40.39%
Owns with a mortgage
1,546
28.95%
Owns outright
1,153
21.59%
Other social rented
233
4.36%
Other forms of private rent
122
2.28%
Total households: 5,341

Property prices in St Mark's & Seething Wells

Based on 179 recent sales, the median property price is £450,000 in St Mark's & Seething Wells area, with individual transactions ranging from £138,000 up to £1,750,000.

Price distribution per property type (last year)

Price distribution by property type for St Mark's & Seething Wells in the last year.

Median sale price and percentiles per property type (last year)

Median sale price, sales count, and percentile information for each property type in St Mark's & Seething Wells over the last year.
TypeSalesMedian
Detached5£1,295,000
Flats136£420,000
Semi-Detached27£810,000
Terraced11£680,000

10 years median price trend in St Mark's & Seething Wells

Ten year median sale price trend for each property type in St Mark's & Seething Wells.

All postcodes in St Mark's & Seething Wells

KT64DF

Spring Cottages

KT64RN

Claremont Road

KT64SL

Avenue Elmers

KT64TR

Surbiton Hill Road

KT65DL

Victoria Avenue

KT58AD

Cranes Park

KT64EX

Grove Road

KT64HW

Portsmouth Road

KT64JU

Victoria Road

KT64PT

St Marks Hill

KT64QH

St James Road

KT64TA

Adelaide Road

KT58AE

Cranes Park

KT58AF

Cranes Park

KT58BS

Cranes Park Avenue

KT64BX

Grove Road

KT64EY

Portsmouth Road

KT64PY

The Sheraton

KT64QU

Claremont Road

KT64SE

Avenue Elmers

KT64SH

Avenue Elmers

KT65NR

Seething Wells Lane

KT65PW

Balaclava Road

KT58DS

Ferguson Avenue

KT64EW

Victoria Road

KT64JX

St Mark's & Seething Wells

KT65NA

Seething Wells Lane

KT65NF

Brighton Road

KT58AU

Cranes Drive

KT64BQ

St Mark's & Seething Wells

KT64DY

North Road

KT13FE

Lower Marsh Lane

KT64HN

Ravens Ait

KT58DJ

Addison Gardens

KT64SR

Adelaide Road

KT64UD

Church Hill Road

KT65PS

Brighton Road

KT64BN

The Crescent

KT64EE

St Andrews Square

KT64JA

Portsmouth Road

KT65DG

Siden Mews

KT13BW

Lower Marsh Lane

KT64AP

Maple Road

KT64BW

Crescent Court

KT64EP

St Marys Road

KT64QZ

St Mark's & Seething Wells

KT65LX

Brighton Road

KT64JF

Old Post Office Walk

KT64PL

St Marks Hill

KT64PX

St Marks Hill

KT64QD

St Mark's & Seething Wells

KT64EQ

The Mall

KT64AX

Exeter Court

KT64FB

St Mark's & Seething Wells

KT64LR

St Marks Hill

KT64LW

St Marks Hill

KT64PW

St Marks Hill

KT65PN

Balaclava Road

KT64BA

Maple Road

KT64DZ

Dolphin Close

KT64QW

St James Road

KT12HP

Kings Keep

KT13FH

Harlow Gardens

KT58AW

Cranes Park Crescent

KT64AY

Maple Road

KT64DB

Grove Road

KT64DJ

Cadogan Road

KT64RT

St Mark's & Seething Wells

KT12LL

Uxbridge Road

KT13FG

Harlow Gardens

KT64AL

Maple Road

KT64AW

Maple Road

KT64DT

St Andrews Road

KT64EU

Grove Road

KT64RG

Claremont Road

KT65DN

Victoria Avenue

KT12LR

Rivermead

KT58DX

Minstrel Gardens

KT64JY

St Mark's & Seething Wells

KT64TD

Adelaide Road

KT12TR

Fassett Road

KT64PU

St Marks Hill

KT58AP

Cranes Park

KT64AS

Maple Road

KT64HL

Catherine Road

KT64JH

Cottage Grove

KT64NR

Victoria Road

KT65PR

Brighton Road

KT58BN

Cheyne Hill

KT64BS

Grove Road

KT64DH

Cadogan Road

KT64NG

Victoria Road

KT64TB

Adelaide Road

KT13FN

Harlow Gardens

KT64LH

St Mark's & Seething Wells

KT64SX

Adelaide Road

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/01/2026.