Compare

SM3

Postcode district

Postcode district covering North Cheam, Morden Park and Lower Morden, in Sutton.

Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an SM3 postcode. How census figures are added up

Open in map

Gigabit coverage by postcode district

Connected Nations (Ofcom) · January 2026

Under 60%98% or more

In SM3, 92.2% of homes and businesses could get gigabit-capable broadband in January 2026.

Median sale price
£550,000
197th most expensive of 2,235
Worked out by Open Index
Population
21,754
1,354th most populated of 2,756
ONS Census 2021 · 2021
Gigabit broadband coverage
92.2%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
2.5%
UK 3.9%
ONS via Nomis · Aug 2026

How SM3 compares

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

SM3Middle
Median sale price7 postcode districts, SM · 2025
Median sale price: every postcode district in SM7 areas from £380,000 to £635,000. The middle area is £450,000. SM3 is £550,000.
£550,0002nd most expensive
Population7 postcode districts, SM · 2021
Population: every postcode district in SM7 areas from 19,751 to 43,524. The middle area is 40,150. SM3 is 21,754.
21,7542nd least populated
Gigabit broadband coverage7 postcode districts, SM · Jan 2026
Gigabit broadband coverage: every postcode district in SM7 areas from 86.7% to 96.7%. The middle area is 93.5%. SM3 is 92.2%.
92.2%3rd lowest
Claimant rate7 postcode districts, SM · Aug 2026
Claimant rate: every postcode district in SM7 areas from 1.9% to 4.0%. The middle area is 3.5%. SM3 is 2.5%.
2.5%2nd lowest

Is SM3 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in SM3 at a rate of 61.6 per 1,000 people.

That compares with 75.1 per 1,000 people across SM.

In August 2026 alone, 100 cases of crime and anti-social behaviour were recorded in SM3.

In the 12 months to August 2026, the most common types were violence and sexual offences (400), anti-social behaviour (288) and other crime (216).

A year earlier, the recorded crime rate in SM3 was 62.0 per 1,000 people.

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.

Deprivation in SM3, neighbourhood by neighbourhood

  • Deprivation is ranked by neighbourhood, so SM3 has no single figure. Of its 13 neighbourhoods with a rank:
  • Decile 7: 3 neighbourhoods
  • Decile 8: 3 neighbourhoods
  • Decile 9: 4 neighbourhoods
  • Decile 10 (England’s least deprived 10%): 3 neighbourhoods

English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

Neighbourhoods in SM3

NamePeople (census)Recorded crime per 1,000Deprivation decileGigabit broadband
Sutton 003A1,764133.1 per 1,000883.8%
Sutton 003B1,88828.0 per 1,000886.8%
Sutton 003C1,61091.3 per 1,000795.7%
Sutton 003D1,45336.3 per 1,000999.6%
Sutton 003E1,56449.4 per 1,000997.7%
Sutton 009A1,83826.2 per 1,000992.2%
Sutton 009B1,810141.4 per 1,000790.8%
Sutton 009C1,44177.7 per 1,000990.3%
Sutton 009D1,48627.7 per 1,0001097.1%
Sutton 009E1,56425.9 per 1,0001097.7%
Sutton 016A2,03963.7 per 1,000782.8%
Sutton 016B1,68888.6 per 1,000897.7%
Sutton 016D1,51439.5 per 1,0001098.9%

MPs for SM3

As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

Middle areas in SM33

Postcode sectors in SM32

Council1

Towns in SM31

Postcode districts next to SM35

Nearest rail stations4

More in the SM postcode area2

SM3 in brief

SM3 is a postcode district covering North Cheam, Morden Park and Lower Morden, in Sutton.

About 22,137 people lived in SM3 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £550,000 in 2025 across 281 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 61.6 per 1,000 people in the 12 months to August 2026 (police.uk).

The median price paid for a home in SM3 was £550,000 in 2025.

SM3 had 21,754 usual residents at the census.

In SM3, 92.2% of homes and businesses could get gigabit-capable broadband in January 2026.

In SM3, 2.5% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.