SE21 postcode area guide — Lambeth

Where is SE21?

Broadband & internet speeds in SE21

Excellent coverage

Broadband availability in the SE21 postcode district (Lambeth) is Excellent — gigabit-capable full fibre is widely available. Across the 281 postcodes Ofcom measures in SE21, superfast broadband (30 Mbit/s or faster) reaches 97.7% of premises and gigabit-capable lines are available to 83.2%.

Around 0% of premises in SE21 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.

Sample postcodes in SE21

Run a speed test to see what you're actually getting, or check your exact postcode.

Mobile signal around Lambeth

Ofcom's coverage model for the wider Lambeth district (157,520 premises):

Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.

Crime in SE21

Police recorded 421 incidents within about a mile of the centre of SE21 in May 2026 (latest published street-level data). The breakdown:

Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).

House prices in SE21

Based on 130 sales registered with HM Land Registry in the last 12 months, the median sold price in SE21 is £730,000, up 4.3% on the previous year (£700,000).

Latest recorded sales in SE21

Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.

Who lives here? Lambeth demographics

Census 2021 figures for the wider Lambeth district (317,654 residents, 134,688 households):

Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.

Schools in and around SE21

Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.

Food hygiene ratings in SE21

77 rated food businesses operate in SE21. 58 hold the top rating of 5, 10 are rated 4, and none are currently rated 2 or below.

Among the 5-rated: Alleyns head, Bright Horizons West Norwood Day Nursery And Preschool, Canteen by f&j, Chartwell / compass, Chartwells.

Source: Food Standards Agency, food hygiene ratings (FHRS) open data.

Energy performance (EPC) in SE21

From a sample of 237 Energy Performance Certificates across 12 SE21 postcodes, the most common rating is band C (average band D). 46% of sampled homes are rated C or better.

Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.

Phone area codes for Lambeth

Landlines around SE21 typically use:

Had a call from an unknown number? Use our free UK phone number checker to see who called.

What's it like living in SE21?

Postcodes in SE21

Neighbouring districts

All South East London (SE) postcode districts ›

Frequently asked questions

Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.