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Sydenham Wells

Middle area

South west Lewisham. 8,068 people in 1.0 square kilometre.

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Radon Affected Area by middle area

Worked out by Open Index · 2022

Under 1%90% or more

About 0% of people in Sydenham Wells live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£432,500
Joint 1,575th most expensive of 7,259
Worked out by Open Index
Population
8,131
Joint 3,320th most populated of 9,448
ONS Census 2021 · 2021
People in radon Affected Area squares
0%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
93.2%
UK 87.8%
Ofcom · Jan 2026

Recorded crime in Sydenham Wells

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Sydenham Wells at a rate of 131.4 per 1,000 people.

That compares with 122.7 per 1,000 people across Lewisham.

Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

Recorded by police, 12 months to August 2026
Kind of crimeRecorded
Violence and sexual offences300
Anti-social behaviour268
Other crime175
Shoplifting96
Vehicle crime74
Drug offences37
Robbery33
Burglary30
Criminal damage and arson28
Theft from the person19

Source: police.uk, 12 months to August 2026

How Sydenham Wells compares

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

Sydenham WellsMiddle
Median sale price37 middle areas, Lewisham · 2025
Median sale price: every middle area in Lewisham37 areas from £325,000 to £713,500. The middle area is £468,750. Sydenham Wells is £432,500.
£432,50012th cheapest
Population37 middle areas, Lewisham · 2021
Population: every middle area in Lewisham37 areas from 5,766 to 12,606. The middle area is 8,134. Sydenham Wells is 8,131.
8,13118th least populated
People in radon Affected Area squares37 middle areas, Lewisham · 2022
People in radon Affected Area squares: every middle area in Lewisham37 areas from 0.0% to 100.0%. The middle area is 0.0%. Sydenham Wells is 0.0%.
0%joint fewest people in radon Affected Areas
Gigabit broadband coverage37 middle areas, Lewisham · Jan 2026
Gigabit broadband coverage: every middle area in Lewisham37 areas from 69.5% to 98.6%. The middle area is 93.2%. Sydenham Wells is 93.2%.
93.2%19th highest

Is Sydenham Wells safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Sydenham Wells at a rate of 131.4 per 1,000 people.

That compares with 122.7 per 1,000 people across Lewisham.

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

In August 2026 alone, 128 cases of crime and anti-social behaviour were recorded in Sydenham Wells.

In the 12 months to August 2026, the most common types were violence and sexual offences (300), anti-social behaviour (268) and other crime (175).

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 Lewisham

These figures are published for the whole of Lewisham, not for each middle area, so they describe all of Lewisham and not Sydenham Wells alone. See Lewisham

Average house price
£488,658
Up 0.7% in a year
HM Land Registry · Jul 2026
Median full-time pay
£45,702
43rd highest paid of 348
ONS earnings survey · 2025
House price to pay
10.7×
Joint 39th least affordable of 348
Worked out by Open Index
Deprivation score
25.5
Joint 75th most deprived of 296
MHCLG · England only
Sydenham Wells in brief

The median price paid for a home in Sydenham Wells was £432,500 in 2025.

Sydenham Wells had 8,131 usual residents at the census.

About 0% of people in Sydenham Wells live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Sydenham Wells, 93.2% of homes and businesses could get gigabit-capable broadband in January 2026.