SW12 postcode area guide — Lambeth

Where is SW12?

Broadband & internet speeds in SW12

Excellent coverage

Broadband availability in the SW12 postcode district (Lambeth) is Excellent — gigabit-capable full fibre is widely available. Across the 578 postcodes Ofcom measures in SW12, superfast broadband (30 Mbit/s or faster) reaches 99.4% of premises and gigabit-capable lines are available to 88.6%.

Around 0% of premises in SW12 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 SW12

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 SW12

Police recorded 577 incidents within about a mile of the centre of SW12 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 SW12

Based on 353 sales registered with HM Land Registry in the last 12 months, the median sold price in SW12 is £665,000, down 5.0% on the previous year (£700,000).

Latest recorded sales in SW12

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 SW12

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 SW12

241 rated food businesses operate in SW12. 170 hold the top rating of 5, 28 are rated 4, and 4 are rated 2 or below.

Among the 5-rated: 345 Nursery School Balham, A Bite of Asia, Abacus Day Nursery, Aldi, Amelia's Kitchen & Bakehouse.

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

Energy performance (EPC) in SW12

From a sample of 240 Energy Performance Certificates across 11 SW12 postcodes, the most common rating is band D (average band D). 35% 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 SW12 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 SW12?

Postcodes in SW12

Neighbouring districts

All South West London (SW) 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.