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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 186 recent sales, the median property price is £452,500 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
Flats142£423,900
Semi-Detached28£815,000
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

KT64BD

Grove Road

KT64DS

Evesham Terrace

KT64QP

St James Road

KT58AJ

Cranes Drive

KT58BW

Chumleigh Walk

KT58DE

Burney Avenue

KT64BZ

Grove Road

KT64UF

Spencer House

KT64FG

St Andrews Road

KT64HF

Catherine Road

KT64SP

Avenue Elmers

KT64SY

Adelaide Road

KT64TH

Avenue Elmers

KT65PP

Brighton Road

KT64RF

Claremont Road

KT58DQ

Guilford Avenue

KT64DU

St Philips Road

KT64RS

Avenue Elmers

KT58BT

Cranes Park Avenue

KT64BE

Grove Road

KT64HZ

Portsmouth Road

KT64RB

Station Approach

KT64RW

Claremont Road

KT65NW

Brighton Road

KT64PS

St Marks Hill

KT65RY

Balaclava Road

KT64DW

Grove Road

KT64NX

St Mark's & Seething Wells

KT64TQ

Adelaide Road

KT12LS

Uxbridge Road

KT58DR

Hillside Road

KT64JL

Victoria Road

KT64NS

Victoria Road

KT64TJ

Avenue Elmers

KT58BH

Villiers Avenue

KT58DN

Villiers Close

KT64RL

St Mark's & Seething Wells

KT65PQ

Brighton Road

KT13FS

Harlow Gardens

KT64AG

Maple Road

KT64DL

Cadogan Road

KT64HP

Portsmouth Road

KT64TL

Claremont Gardens

KT58AN

Cranes Park Crescent

KT64HX

Portsmouth Road

KT64QN

St James Road

KT64QR

Claremont Road

KT64LN

Adelaide Road

KT64LU

St Marks Hill

KT58BZ

Cranes Park Avenue

KT58DD

Minstrel Gardens

KT64EG

St Andrews Square

KT64EN

St Andrews Square

KT64SW

Ardmay Gardens

KT58DP

Hill Crescent

KT64HJ

St Mark's & Seething Wells

KT64HS

Portsmouth Road

KT64NW

St Mark's & Seething Wells

KT64PR

St Marks Hill

KT64SS

Adelaide Road

KT64EZ

St Andrews Square

KT64GS

Avenue Elmers

KT64JT

Victoria Road

KT65NS

Akerman Road

KT58BP

Cranes Park Avenue

KT58DF

Burney Avenue

KT58DL

Villiers Close

KT64ED

St Andrews Square

KT64ES

St Mark's & Seething Wells

KT64FE

St Mark's & Seething Wells

KT64RQ

Claremont Road

KT64SF

Avenue Elmers

KT64TW

Surbiton Hill Road

KT64UE

Winston House

KT65NY

Calendar Mews

KT64AE

Maple Road

KT64LT

Avenue Elmers

KT65NE

Copper Gate Mews

KT65NT

Electric Parade

KT64TN

Claremont Gardens

KT58DG

Guilford Avenue

KT64HD

Catherine Road

KT64LS

Church Hill Road

KT64QS

St Mark's & Seething Wells

KT64RY

Claremont Road

KT65PJ

Portsmouth Road

KT12LN

Surbiton Crescent

KT58AH

Cranes Park

KT64DP

Grove Road

KT64DX

St Philips Road

KT12TN

Lingfield Avenue

KT58BB

Villiers Avenue

KT64AD

St Mark's & Seething Wells

KT64DQ

Cadogan Road

KT64EJ

Westfield Road

KT64LL

Adelaide Road

KT65PL

Brighton Road

KT13FL

Harlow Gardens

KT64SJ

Avenue Elmers

KT64AF

Maple Road

Data Sources

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