SE4 postcode area guide — Lewisham

Where is SE4?

Broadband & internet speeds in SE4

Excellent coverage

Broadband availability in the SE4 postcode district (Lewisham) is Excellent — gigabit-capable full fibre is widely available. Across the 450 postcodes Ofcom measures in SE4, superfast broadband (30 Mbit/s or faster) reaches 99.5% of premises and gigabit-capable lines are available to 85.3%.

Around 0% of premises in SE4 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 SE4

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

Mobile signal around Lewisham

Ofcom's coverage model for the wider Lewisham district (142,468 premises):

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

Crime in SE4

Police recorded 650 incidents within about a mile of the centre of SE4 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 SE4

Based on 239 sales registered with HM Land Registry in the last 12 months, the median sold price in SE4 is £584,000, up 7.2% on the previous year (£545,000).

Latest recorded sales in SE4

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

Who lives here? Lewisham demographics

Census 2021 figures for the wider Lewisham district (300,554 residents, 122,393 households):

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

Schools in and around SE4

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 SE4

172 rated food businesses operate in SE4. 84 hold the top rating of 5, 36 are rated 4, and 5 are rated 2 or below.

Among the 5-rated: Abbeyfield Society, Alexander Care Centre, Beecroft Garden Primary School- Nourish Contract, Bellingham Youth Club, Best One.

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

Energy performance (EPC) in SE4

From a sample of 326 Energy Performance Certificates across 11 SE4 postcodes, the most common rating is band C (average band D). 47% 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 Lewisham

Landlines around SE4 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 SE4?

Postcodes in SE4

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.